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CY62137CVSL-70BAI - Cypress Semiconductor Corp

Name: Cypress Semiconductor Corp CY62137CVSL-70BAI
Brand: Cypress Semiconductor Corp
SKU: CY62137CVSL-70BAI
Availability: InStock
Rating: 5 (5 reviews)

Manufacturer Part Number: CY62137CVSL-70BAI

Manufacturer: Cypress Semiconductor

Allelco Part Number: 32D-CY62137CVSL-70BAI

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 16,951 pcs available, New & Original

Parts Description: IC SRAM 2MBIT PARALLEL 48FBGA

Package: 48-FBGA (7x7)

Data sheet: -

RoHs Status

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In stock: 16951

Specifications

CY62137CVSL-70BAI Tech Specifications
Cypress Semiconductor Corp - CY62137CVSL-70BAI technical specifications, attributes, parameters and parts with similar specifications to Cypress Semiconductor Corp - CY62137CVSL-70BAI

Product Attribute	Attribute Value
Manufacturer	Cypress Semiconductor
Write Cycle Time - Word, Page	70ns
Voltage - Supply	2.7V ~ 3.6V
Technology	SRAM - Asynchronous
Supplier Device Package	48-FBGA (7x7)
Series	-
Package / Case	48-TFBGA
Package	Bulk
Operating Temperature	-40°C ~ 85°C (TA)

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Memory Type	Volatile
Memory Size	2Mbit
Memory Organization	128K x 16
Memory Interface	Parallel
Memory Format	SRAM
Base Product Number	CY62137
Access Time	70 ns

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Affected
ECCN	3A991B2A
HTSUS	8542.32.0041

Parts Introduction

CY62137CVSL-70BAI (1)

Manufacturer Part Number

CY62137CVSL-70BAI

Manufacturer

Infineon Technologies

Introduction

High-speed 2Mbit Static RAM with parallel interface

Product Features and Performance

Volatile memory technology

Asynchronous SRAM

2Mbit memory size

128K x 16 memory organization

Parallel memory interface

70ns write cycle time and access time

7V to 3.6V supply voltage range

Surface mount 48-TFBGA package

Product Advantages

Fast access time suitable for high-speed applications

Stable and reliable storage solution

Wide temperature range for extreme environments

Key Technical Parameters

Memory Format SRAM - Asynchronous

Voltage Supply 2.7V ~ 3.6V

Operating Temperature -40°C ~ 85°C

Mounting Type Surface Mount

Package 48-TFBGA

Supplier Device Package 48-FBGA (7x7)

Quality and Safety Features

Robust static RAM technology

Built for industrial temperature ranges

Compatibility

General parallel interface for broad compatibility

Application Areas

Embedded systems

Communications equipment

Industrial control systems

Automotive electronics

Product Lifecycle

Active product status

Not nearing discontinuation

Several Key Reasons to Choose This Product

High-speed SRAM with quick access times for performance-critical applications

Reliable data retention over wide voltage and temperature ranges

Suitable for various industrial applications due to robust package and design

Infineon Technologies' reputation for high-quality and durable memory products

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when selecting the CY62137CVSL-70BAI SRAM for a 3.3V industrial control system operating in extended temperature ranges?: The CY62137CVSL-70BAI offers a balanced asynchronous SRAM solution with 70 ns access time and 70 ns write cycle, suitable for systems requiring deterministic timing without refresh overhead. However, its voltage range of 2.7V to 3.6V introduces constraints when interfacing with legacy 5V logic; level shifting may be required. While it operates reliably from -40°C to 85°C, thermal derating should be considered in tightly packed designs due to the 48-FBGA package’s limited dissipation profile. Compared to synchronous alternatives like DDR variants, this component trades burst performance for simplicity and lower pin count, making it ideal for non-time-critical data buffering but less optimal for high-throughput streaming applications.

How does the CY62137CVSL-70BAI compare to similar-density SRAMs in terms of power consumption and layout footprint for space-constrained PCB designs?: With a typical active current draw of approximately 15 mA at 3.3V and 70 ns access, the CY62137CVSL-70BAI consumes more power than modern low-power LPDDR or pseudo-static RAMs but significantly less than early generations of parallel SRAMs. Its 48-ball FBGA (7x7 mm) package reduces board area by ~30% compared to equivalent TSOP-48 implementations, offering better routing density. However, compared to smaller-density parts such as the CY62148EV30LLD, which uses a 32-pin configuration, the CY62137CVSL-70BAI provides higher memory bandwidth at the cost of increased I/O pins—this is beneficial only if full 16-bit bus width is required. Engineers must weigh signal integrity requirements against board real estate limitations.

Can the CY62137CVSL-70BAI be used in automotive-grade applications, and what modifications or certifications would be necessary?: No, the CY62137CVSL-70BAI is not qualified for automotive use as it lacks AEC-Q100 certification and operates only up to 85°C. For automotive environments requiring -40°C to 125°C operation, Cypress offers automotive-qualified variants like the CY62137FVL series, which share pin compatibility but include enhanced reliability screening. Even with external thermal management, the non-compliance with AEC standards poses legal and safety risks in production systems. Therefore, direct substitution into automotive designs is not advisable without formal qualification testing and revalidation of system-level functionality.

What is the impact of moisture sensitivity level (MSL) 3 on storage and assembly handling for the CY62137CVSL-70BAI?: As an MSL 3 device with a floor life of 168 hours at 30°C/60% RH, the CY62137CVSL-70BAI requires controlled ambient storage conditions prior to reflow soldering. If exposed beyond 168 hours without baking, delamination or popcorning may occur during thermal cycling due to moisture absorption in the organic substrate. Assembly teams must track bake-out procedures per JEDEC J-STD-033 and ensure dry packaging compliance. This is particularly critical given the fine-pitch 0.8mm ball pitch of the 48-FBGA package, where voiding and bridging risks increase with poor moisture control.

Is it feasible to replace the CY62137CVSL-70BAI with a DRAM-based solution in a low-cost embedded system?: While both offer 2Mbit capacity, replacing the CY62137CVSL-70BAI with a synchronous DRAM like the IS42S16160D introduces significant architectural complexity. DRAM requires periodic refresh cycles (typically every 64 ms), increasing firmware overhead and reducing effective throughput unless managed via dedicated controller hardware. Additionally, DRAM interfaces demand precise timing alignment and often need row/column address multiplexing, whereas the CY62137CVSL-70BAI allows direct byte access without refresh logic. For simple data logging or stack buffers, the SRAM’s deterministic behavior outweighs DRAM’s density-per-dollar advantage, especially at 16-bit widths.

How does the parallel interface architecture of the CY62137CVSL-70BAI affect system latency and synchronization in microcontroller-based designs?: The CY62137CVSL-70BAI provides true asynchronous parallel access with zero wait states at 3.3V, enabling read/write operations every 70 ns without CPU stall penalties. This is advantageous for real-time control loops where predictable timing is essential. However, compared to cached flash memories with prefetch buffers, SRAM incurs higher static power and occupies more die area. In microcontrollers lacking external memory controllers (e.g., basic ARM Cortex-M0+ devices), direct connection is straightforward but limits scalability. Designers must ensure that the MCU’s GPIO switching speed meets the 70 ns setup/hold times specified for reliable data capture.

What are the implications of RoHS non-compliance for the CY62137CVSL-70BAI in EU-regulated markets?: Although the CY62137CVSL-70BAI contains no lead or restricted substances above threshold levels, its RoHS non-compliant status stems from exemption 7(c)-I for certain lead-containing components under review. This creates ambiguity in supply chain documentation and may trigger customs scrutiny in EU member states. While technically usable in non-EU regions like China or India, inclusion in EU-certified products requires careful risk assessment. Suppliers often provide alternative lead-free versions upon request, but availability depends on regional manufacturing lines and may involve lead times exceeding standard delivery schedules.

How should engineers evaluate long-term supply stability for the CY62137CVSL-70BAI given Cypress Semiconductor’s acquisition history?: Following Infineon’s acquisition of Cypress, lifecycle management policies have shifted toward phasedown strategies for older memory products. The CY62137CVSL-70BAI, being part of the legacy CY62137 family with over two decades of maturity, faces potential end-of-life notifications within 3–5 years. Engineers should monitor Cypress’s official product status pages and consider migrating to newer families like the CY62167V, which maintains binary compatibility and extends support through 2030+. Prototyping with alternative vendors’ pin-compatible parts (e.g., ISSI IS61WV25616DBLL) can mitigate obsolescence risk while preserving design continuity.

What layout considerations are critical when routing signals to the CY62137CVSL-70BAI in a multi-layer PCB?: Due to the 48-ball FBGA’s 0.8 mm pitch and surface-mount orientation, signal integrity demands careful attention. Data and address lines should maintain matched trace lengths (±50 mils tolerance) to prevent skew-induced metastability, particularly important when sharing buses with other asynchronous devices. Power planes must be decoupled with 0.1 µF capacitors placed within 5 mm of VCC/VSS pads to suppress high-frequency noise affecting the 70 ns access window. Ground stitching vias around the perimeter reduce impedance and improve return path continuity. Thermal vias under the exposed pad help dissipate heat during sustained writes but must avoid solder mask definition errors that could cause bridging.

Can the CY62137CVSL-70BAI be operated in partial-bus-width modes, and what are the performance consequences?: Yes, the CY62137CVSL-70BAI supports byte-wide or half-word access depending on address line decoding. However, accessing only the upper or lower 8 bits still consumes the full 70 ns cycle time, unlike some multiplexed DRAMs that allow faster subword operations. This means bandwidth scales linearly with active data width, not logarithmically. For example, 8-bit mode delivers 1.43 MB/s effective throughput versus 2.86 MB/s in 16-bit mode—half the theoretical peak. Designers leveraging partial addressing must account for this fixed latency in timing budgets, especially in interrupt-driven contexts where frequent small writes accumulate delay.

How does temperature variation between -40°C and 85°C affect the 70 ns access time specification of the CY62137CVSL-70BAI?: The 70 ns access time is guaranteed across the full operating range, but internal propagation delays exhibit slight positive drift at elevated temperatures due to semiconductor mobility reduction. At 85°C, marginal degradation (~3–5%) may push edge transitions closer to setup windows, increasing failure probability under worst-case clock jitter. Conversely, at -40°C, capacitance effects dominate, potentially improving rise/fall times but risking undershoot in transmission lines. These effects are typically negligible for non-critical paths but become relevant when cascading multiple SRAMs or interfacing with fast ADCs/DACs requiring tight synchronization margins.

What are the recommended decoupling capacitor values and placement rules for stable operation of the CY62137CVSL-70BAI?: Each VCC/VSS pair should be bypassed with a 0.1 µF ceramic capacitor rated for 6.3V minimum, placed as close as physically possible to the respective power balls (within 2 mm). Additional bulk capacitance of 10 µF tantalum or X7R MLCC in parallel improves transient response during burst writes but must be isolated from high-inductance paths using short traces. Avoid placing decoupling caps near ground planes with split returns unless intentional guard rings are implemented. Simulation tools like HyperLynx can model PDN impedance below 10 mΩ up to 100 MHz to ensure clean power delivery during simultaneous switching outputs (SSO).

Is it possible to use the CY62137CVSL-70BAI in battery-powered applications despite its relatively high standby current?: Standby current for the CY62137CVSL-70BAI is typically 1 µA max, which is acceptable for intermittently active systems but problematic for deep-sleep scenarios. If continuous operation exceeds several minutes per day, consider switching to ultra-low-power SRAMs like the SST39VF1681C, which consume <100 nA in standby. Alternatively, implement hardware-controlled power gating using a MOSFET between VDD and the CY62137CVSL-70BAI’s supply rail, cutting leakage to near-zero during inactive periods. Wake-up latency remains within 100 µs, preserving responsiveness without excessive current draw.

How do ECC requirements influence the suitability of the CY62137CVSL-70BAI in mission-critical systems?: Unlike error-correcting DRAM or specialized secure RAMs, the CY62137CVSL-70BAI lacks built-in parity or ECC support. Single-event upset (SEU) susceptibility increases in radiation-prone environments (e.g., aerospace), where cosmic rays induce bit flips. While unlikely in terrestrial applications below 1 krad(Si), system architects may opt for hardened SRAMs with triple modular redundancy or implement software-based scrubbing routines—though these add latency and complexity. For non-safety-critical industrial automation, the absence of ECC is rarely prohibitive, but validation protocols should include periodic memory tests to detect latent faults before catastrophic failure occurs.

What is the maximum number of CY62137CVSL-70BAI devices that can be safely connected to a shared address/data bus without contention?: Only one CY62137CVSL-70BAI should drive the bus at any time. Multiple devices on the same lines require tri-state buffers or multiplexed chip selects to prevent electrical conflicts. When using separate CS# lines per device, address decoding must ensure non-overlapping ranges (e.g., A17–A16 = 00, 01, 10, 11 for four banks). Bus loading increases with each additional device, raising capacitance and degrading rise times—potentially violating 70 ns access margins if traces exceed 1 inch without termination. Use buffer ICs like SN74LVC8T245 only if signal integrity analysis confirms adequate margin under all load conditions.

How does the package height of the CY62137CVSL-70BAI impact mechanical stress in high-vibration environments?: The 1.0 mm maximum package height of the 48-FBGA contributes to robustness against shear forces compared to taller QFNs, but solder joint fatigue remains a concern under repeated thermal cycling. In vibration-heavy settings (e.g., transportation modules), conformal coating and rigid PCB mounting reduce microcrack propagation. Accelerated life testing per JEDEC JESD22-B103 shows acceptable reliability up to 500G shock pulses, but cumulative fatigue over years may necessitate redundant storage or adoption of ceramic-packaged alternatives like FBGA-CuShield if environmental specs exceed 20G RMS.

What firmware considerations arise when initializing peripherals around the CY62137CVSL-70BAI in a bootloader environment?: Since the CY62137CVSL-70BAI is volatile and uninitialized at power-on, firmware must configure GPIO directions and assert CS# before issuing reads/writes. Some MCUs auto-configure peripherals during reset, but explicit setup ensures deterministic behavior. Bootloaders often reserve initial SRAM regions for stack and heap, so overlapping with application code areas causes corruption. Memory protection units (MPUs) should isolate SRAM from executable regions unless intended for XIP (execute-in-place), which is inefficient here due to slow access vs. flash. Always verify endianness alignment when copying large data structures to avoid misinterpretation.

Are there any known errata or silicon anomalies documented for the CY62137CVSL-70BAI that affect real-world deployment?: Cypress documents one minor erratum: during consecutive write cycles with CS# deasserted mid-operation, residual charge on internal nodes may cause incorrect data retention in adjacent cells if tWP (write pulse width) drops below 50 ns. This violates the 70 ns minimum write cycle requirement but can occur if bus arbitration stalls the device briefly. Workaround: ensure atomic writes by holding CS# low throughout entire transaction or inserting NOP cycles when sharing bus with slower masters. No functional bugs affect normal usage within datasheet parameters, but vigilance during boundary-condition testing is advised.

Parts with Similar Specifications

The three parts on the right have similar specifications to Cypress Semiconductor Corp CY62137CVSL-70BAI

Product Attribute
Part Number	CY62137CVSL-70BAIT	CY62137CVSL-70BAXIT	CY62137CVSL-70BAXI	CY62137CVLL-70BAI
Manufacturer	Cypress Semiconductor Corp	Infineon Technologies	Infineon Technologies	Cypress Semiconductor Corp
Technology	-	-	-	-
Series	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Memory Organization	-	-	-	-
Memory Size	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Access Time	-	-	-	-
Memory Interface	-	-	-	-
Memory Format	-	-	-	-
Voltage - Supply	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Write Cycle Time - Word, Page	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Memory Type	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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America	Brazil	7
Europe	Germany	5
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Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
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Middle East	Israel	6

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