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HomeProductsIntegrated Circuits (ICs)Logic - Universal Bus FunctionsSN74ALVCH162836GR
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SN74ALVCH162836GR - Texas Instruments

Manufacturer Part Number
SN74ALVCH162836GR
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74ALVCH162836GR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
13,775 pcs available, New & Original
Parts Description
IC UNIV BUS DVR 20BIT 56TSSOP
Package
56-TSSOP
Data sheet
SN74ALVCH162836.pdf

Datasheets

SN74ALVCH162836.pdf

HTML Datasheet

SN74ALVCH162836.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 13775
  • Unit Price: $4.994
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Specifications

SN74ALVCH162836GR Tech Specifications
Texas Instruments - SN74ALVCH162836GR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ALVCH162836GR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 1.65V ~ 3.6V
Supplier Device Package 56-TSSOP
Series 74ALVCH
Package / Case 56-TFSOP (0.240", 6.10mm Width)
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C
Number of Circuits 20-Bit
Mounting Type Surface Mount
Logic Type Universal Bus Driver
Current - Output High, Low 12mA, 12mA
Base Product Number 74ALVCH162836

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

SN74ALVCH162836GR Image
SN74ALVCH162836GR (1)

Manufacturer Part Number

SN74ALVCH162836GR

Manufacturer

Texas Instruments

Introduction

The SN74ALVCH162836GR is a high-speed, 20-bit universal bus driver from Texas Instruments, designed for use in applications requiring low voltage and low power operation while providing robust performance.

Product Features and Performance

Universal bus drivers with 20-bit channels

Supports mixed-mode voltage operation

High-speed data transfer capabilities

Low power consumption technology

Output drive capability of 12mA on both high and low sides

Multiple ground pins for noise reduction

Product Advantages

Compatibility with mixed voltage systems ranging from 1.65V to 3.6V

Enhanced signal integrity due to low output skew and noise

Suitable for heavy load applications

Supports live insertion and withdrawal to reduce system downtime

Key Technical Parameters

Logic Type: Universal Bus Driver

Number of Circuits: 20-Bit

Current Output High, Low: 12mA, 12mA

Voltage Supply: 1.65V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 56-TFSOP

Supplier Device Package: 56-TSSOP

Quality and Safety Features

High-level ESD protection

Meets or exceeds industry standards for quality and reliability

Lead-free and RoHS compliant

Compatibility

Universal compatibility with TTL, CMOS, and LVTTL logic levels

Seamless integration into existing systems due to industry-standard TSSOP packaging

Application Areas

Computing systems

Communication interfaces

Industrial controls

Data acquisition systems

Signal bridging applications

Product Lifecycle

Active product status indicating continued manufacturing and support

No current indication of discontinuation, with ongoing availability of replacements and upgrades

Several Key Reasons to Choose This Product

Proven reliability and quality from Texas Instruments

Wide operating temperature suitable for industrial applications

Low-voltage operation for power-sensitive designs

Perfect choice for system upgrades requiring higher bus capabilities

Robust support and global supply availability from a reputable manufacturer

Versatility in application due to universal bus driver functionality

Ideal for high-speed data communication and processing tasks

Frequently Asked Questions(FAQ)

What are the key voltage and current specifications for the SN74ALVCH162836GR when used in a 3.3V system design?
The SN74ALVCH162836GR supports supply voltages from 1.65V to 3.6V, making it suitable for 3.3V logic systems commonly used in modern digital designs. At 3.3V operation, each output pin can source or sink up to 12mA, which is sufficient for driving standard CMOS inputs and moderate capacitive loads without requiring external buffering. This current capability allows direct interface with most TTL and LVCMOS devices while maintaining signal integrity.
How does the SN74ALVCH162836GR compare to the SN74LVC16244 in terms of voltage compatibility and output drive strength?
While both the SN74ALVCH162836GR and SN74LVC16244 are 16-bit bus drivers operating in similar voltage ranges (1.65V–3.6V), the ALVCH series offers slightly higher output drive current (12mA per pin) compared to the LVC series (typically 8–10mA). Additionally, the SN74ALVCH162836GR features a wider propagation delay range due to its universal bus architecture, which includes tri-state control and directionality support. In contrast, the SN74LVC16244 is unidirectional with fixed output orientation. For systems requiring bidirectional data flow with precise timing control, the SN74ALVCH162836GR provides greater flexibility despite marginally slower edge rates under heavy loading.
Can the SN74ALVCH162836GR reliably operate at temperatures exceeding 70°C in industrial environments?
Yes, the SN74ALVCH162836GR is rated for an operating temperature range of -40°C to 85°C, which comfortably covers most industrial applications where ambient temperatures may reach 70°C or higher. However, junction temperature must also consider power dissipation within the device. With a typical thermal resistance of around 60°C/W for the 56-TSSOP package, sustained high-output-drive conditions could push internal temperatures beyond safe limits if not properly managed through PCB layout and airflow. Therefore, while the component itself remains functional across this range, designers should verify total power budget and thermal coupling in enclosure-limited systems.
What precautions should be taken when routing signals adjacent to unused outputs on the SN74ALVCH162836GR?
Since the SN74ALVCH162836GR features tri-state outputs controlled via the OE# input, unused outputs should either be tied to VCC or GND through appropriate pull-up/pull-down resistors rather than left floating. Floating inputs create undefined states that can lead to excessive power consumption, crosstalk, or oscillation during transitions. When OE# is active-low, all outputs are disabled; however, individual channel enablement is not supported, so all 20 bits share a common control. To minimize electromagnetic interference and ensure stable operation, unused outputs should be driven low with 1kΩ–10kΩ resistors to prevent noise pickup and reduce shoot-through risks during switching.
Is the SN74ALVCH162836GR suitable for hot-swapping applications involving backplane communication?
The SN74ALVCH162836GR does not include built-in ESD protection or hot-swap circuitry, and its absolute maximum rating for input voltage exceeds the supply rail by only ±0.5V under normal conditions. In hot-swap scenarios where sudden connection events can induce voltage transients, additional protection such as series resistors, TVS diodes, or dedicated hot-swap controllers is required. While the device can handle brief overvoltage spikes within its absolute maximum ratings, repeated exposure without mitigation increases failure risk. Therefore, for robust hot-plug interfaces, external clamping components should be integrated upstream of the driver inputs.
How does the propagation delay of the SN74ALVCH162836GR vary with supply voltage and load capacitance?
Propagation delay in the SN74ALVCH162836GR decreases as supply voltage increases—typically from approximately 3.5ns at 1.8V to 2.1ns at 3.3V—due to improved transistor switching speed at higher rails. Under light capacitive loads (<10pF), delays remain consistent, but they increase significantly with larger loads: at 50pF and 3.3V, propagation delay may rise to ~5ns. This behavior necessitates careful timing analysis when interfacing with slow microcontrollers or long trace lengths. Designers should simulate worst-case combinations of VCC, Cload, and temperature using TI’s IBIS models to meet system-level timing budgets.
What impact does package parasitics have on signal integrity when using the SN74ALVCH162836GR in high-speed serial links?
The 56-pin TSSOP package introduces modest parasitic inductance (~1–2nH per bond wire) and capacitance (~0.5pF between adjacent pins), which become non-negligible at data rates above 50Mbps. Although the SN74ALVCH162836GR targets general-purpose bus applications rather than GHz-range serial transmission, simultaneous switching of multiple outputs can generate ground bounce and ringing on fast edges. To mitigate these effects, maintain short return paths, avoid routing sensitive nets near package edges, and limit simultaneous switching activity. For signals exceeding 100MHz, consider using flip-chip BGA alternatives, though the SN74ALVCH162836GR remains adequate for parallel interfaces like memory buses or GPIO expansion.
Are there any known limitations regarding fanout capability when cascading multiple stages of SN74ALVCH162836GR drivers?
Cascading SN74ALVCH162836GR devices is feasible up to four levels deep under moderate loading, provided that cumulative output currents do not exceed 12mA per driven input and total capacitive load stays below 50pF. However, each additional stage introduces cumulative propagation delay (approximately 2–3ns per level), which may violate setup/hold times in synchronous systems. Moreover, bidirectional operation complicates cascade topologies because direction control must be coordinated across stages. For multi-drop configurations, use open-drain buffers instead, or implement point-to-point signaling with proper termination to preserve timing margins.
How does the SN74ALVCH162836GR perform in terms of EMI susceptibility compared to other members of the 74ALVCH family?
As part of Texas Instruments’ advanced low-voltage CMOS (ALVCH) family, the SN74ALVCH162836GR incorporates enhanced noise immunity features such as Schmitt-trigger-like input hysteresis and reduced dI/dt slew rates, improving resilience against rapid transients. However, its performance relative to other ALVCH variants depends primarily on circuit topology and fabrication node differences. Compared to older LV or HC families, the SN74ALVCH162836GR exhibits lower susceptibility to latchup and electrostatic discharge due to improved isolation structures. That said, full compliance with IEC 61000-4-2 Level 2 requires external ESD diodes, so system-level certification should account for board-level protection measures.
What role does the direction control input play in bidirectional bus implementations using the SN74ALVCH162836GR?
The SN74ALVCH162836GR implements true bidirectional data flow through independent transmit and receive paths controlled by the DIR input. When DIR is high, data flows from A to B ports; when low, it reverses direction from B to A. Both directions share the same OE# enable, ensuring coordinated activation. This architecture avoids contention issues common in simple tristate-based buffers, as internal multiplexers isolate active drivers during direction changes. However, a brief glitch-free transition window must be maintained between direction flips to prevent shoot-through currents—typically achieved by inserting small delays (~10ns) in firmware or using slew-controlled clocking in hardware.
What considerations apply when selecting bypass capacitors for stable operation of the SN74ALVCH162836GR in compact PCB layouts?
Stable operation of the SN74ALVCH162836GR demands decoupling capacitance close to the VCC and GND pins of the 56-TSSOP package. Use 0.1µF ceramic capacitors (X7R or X5R dielectric) placed within 2mm of the IC, connected directly to power planes with minimal loop area. Additional bulk capacitance (e.g., 1–10µF tantalum or polymer) may be needed if transient currents exceed 50mA/ns. Given the device’s wide supply range, ensure capacitor voltage ratings exceed 6.3V to accommodate ripple and inductive kickback during hot insertion. Poor decoupling can cause voltage droop, leading to erratic tri-state behavior or increased propagation delay variance.
How does the moisture sensitivity level (MSL = 1) classification affect handling procedures for the SN74ALVCH162836GR?
With an MSL rating of 1, the SN74ALVCH162836GR is considered non-critical for moisture absorption and can be stored indefinitely under normal ambient conditions (≤30°C, ≤60% RH) without baking prior to assembly. However, once removed from sealed packaging (typically dry pack with desiccant), it should be soldered within one year or according to JEDEC J-STD-033 guidelines. Prolonged exposure (>168 hours) to ambient humidity may require bake-out at 125°C for 24 hours before reflow, especially in lead-free processes. Proper handling ensures reliability and prevents popcorn cracking during thermal cycling.
What are the implications of using the SN74ALVCH162836GR in battery-powered devices with dynamic voltage scaling?
The SN74ALVCH162836GR supports dynamic voltage scaling down to 1.65V, enabling power savings in low-power modes. However, reducing VCC below 2.5V increases propagation delay and reduces noise margins, potentially violating timing constraints in asynchronous designs. Additionally, output swing diminishes at lower supplies, increasing susceptibility to noise on long traces. If dynamic scaling is employed, synchronize direction and enable signals with the voltage ramp to avoid metastability. Also note that leakage currents rise moderately at cryogenic temperatures, though this is less critical in typical battery-operated environments.
Can the SN74ALVCH162836GR interface directly with 5V-tolerant devices like legacy microcontrollers?
The SN74ALVCH162836GR accepts input voltages up to VCC + 0.5V, which means 5V signals can be safely applied to its inputs even when powered at 3.3V or lower. This makes it suitable for interfacing with 5V microcontrollers or sensors without level-shifting circuitry. However, ensure that the 5V source does not exceed the absolute maximum rating of 4.6V under any condition. For robust 5V tolerance, pair the SN74ALVCH162836GR with series resistors (22–100Ω) to limit current during fault conditions and suppress ringing.
What trade-offs exist between drive strength and power consumption when operating the SN74ALVCH162836GR at different supply voltages?
Higher supply voltages (e.g., 3.6V vs. 1.8V) increase output drive current capability but also raise static and dynamic power consumption quadratically with V². For example, switching a 30pF load at 3.3V consumes roughly four times more power than at 1.8V. While the SN74ALVCH162836GR maintains functionality across this range, designers aiming for energy efficiency should operate at the minimum necessary voltage while meeting timing requirements. Additionally, reduced overdrive improves ESD robustness, so balancing performance, power, and reliability often favors mid-range supplies like 2.5V–3.0V in mixed-signal systems.
Why might a designer choose the SN74ALVCH162836GR over discrete MOSFET-based bus switches for bidirectional I/O expansion?
The SN74ALVCH162836GR offers superior integration, deterministic timing, and lower skew across channels compared to discrete solutions, which suffer from process variation and lack of matched propagation delays. Its built-in tri-state control, direction management, and standardized packaging simplify PCB layout and reduce BOM count. Discrete MOSFET switches typically exhibit higher Rds(on) and capacitance, degrading signal rise/fall times, especially at frequencies above 20MHz. Furthermore, the SN74ALVCH162836GR’s CMOS logic interface eliminates threshold voltage mismatches common in analog-switch approaches, making it preferable for digital bus architectures requiring precise synchronization and low jitter.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ALVCH162836GR

Product Attribute SN74ALVCH162835GR SN74ALVCH162836VR SN74ALVCH162836DLR SN74ALVCH162836DL
Part Number SN74ALVCH162835GR SN74ALVCH162836VR SN74ALVCH162836DLR SN74ALVCH162836DL
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Output High, Low - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Logic Type - - - -
Number of Circuits - - - -

SN74ALVCH162836GR Datasheet PDF

Download SN74ALVCH162836GR pdf datasheets and Texas Instruments documentation for SN74ALVCH162836GR - Texas Instruments.

Datasheets
SN74ALVCH162836.pdf
HTML Datasheet
SN74ALVCH162836.pdf

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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SN74ALVCH162836GR Image

SN74ALVCH162836GR

Texas Instruments
32D-SN74ALVCH162836GR

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