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Home Products Integrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, Transceivers~~CY74FCT16245CTPVCT~~

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CY74FCT16245CTPVCT - Texas Instruments

Name: Texas Instruments CY74FCT16245CTPVCT
Brand: Texas Instruments
SKU: CY74FCT16245CTPVCT
Availability: InStock
Rating: 5 (6 reviews)

Manufacturer Part Number: CY74FCT16245CTPVCT

Manufacturer: Texas Instruments

Allelco Part Number: 32D-CY74FCT16245CTPVCT

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 21,142 pcs available, New & Original

Parts Description: IC TXRX NON-INVERT 5.5V 48SSOP

Package: 48-SSOP

Data sheet: CY74FCT16245CTP.pdf

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Cylindrical Battery Holders.pdf

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf

RoHs Status: ROHS3 Compliant

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Specifications

CY74FCT16245CTPVCT Tech Specifications
Texas Instruments - CY74FCT16245CTPVCT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - CY74FCT16245CTPVCT

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	4.5V ~ 5.5V
Supplier Device Package	48-SSOP
Series	74FCT
Package / Case	48-BSSOP (0.295', 7.50mm Width)
Package	Tape & Reel (TR)
Output Type	3-State
Operating Temperature	-40°C ~ 85°C (TA)

Product Attribute	Attribute Value
Number of Elements	2
Number of Bits per Element	8
Mounting Type	Surface Mount
Logic Type	Transceiver, Non-Inverting
Input Type	-
Current - Output High, Low	32mA, 64mA
Base Product Number	74FCT16245

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

CY74FCT16245CTPVCT (1)

Manufacturer Part Number

CY74FCT16245CTPVCT

Manufacturer

Texas Instruments

Introduction

The CY74FCT16245CTPVCT is a high-performance, 8-bit, 3-state, non-inverting transceiver from Texas Instruments. It is part of the 74FCT series and is designed for high-speed data transfer applications.

Product Features and Performance

8-bit non-inverting transceiver

3-state outputs

High-speed operation with typical propagation delays of 5 ns

High output drive capability of 32 mA (high) and 64 mA (low)

Wide supply voltage range of 4.5 V to 5.5 V

Operating temperature range of -40°C to 85°C

Product Advantages

Excellent signal integrity and high-speed performance

Flexible 3-state outputs for easy bus management

Robust design with high output drive capability

Wide operating voltage and temperature range for versatile applications

Key Reasons to Choose This Product

Reliable and high-performance data transfer solution

Efficient bus management with 3-state outputs

Suitable for a wide range of high-speed digital applications

Robust design for industrial and commercial use

Quality and Safety Features

Manufactured using Texas Instruments' advanced CMOS technology

Complies with relevant safety and regulatory standards

Compatibility

The CY74FCT16245CTPVCT is compatible with other 74FCT series devices and can be used in a variety of digital systems and applications.

Application Areas

High-speed data communication systems

Digital signal processing

Industrial automation and control

Telecommunications equipment

Computer and peripheral interfaces

Product Lifecycle

The CY74FCT16245CTPVCT is an obsolete product. There may be equivalent or alternative models available from Texas Instruments or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.

Frequently Asked Questions(FAQ)

How does the CY74FCT16245CTPVCT handle signal direction control in a bidirectional bus application, and what are the implications for system-level timing?: The CY74FCT16245CTPVCT implements independent direction control for each of its two 8-bit transceiver banks using dedicated DIR_A and DIR_B inputs. When DIR_A is high, data flows from A to B; when low, it flows from B to A—and similarly for DIR_B. This granular control enables flexible bus management without requiring external gating logic. However, simultaneous bidirectional operation on both banks requires careful coordination of OE (output enable) and DIR signals to prevent contention. In systems where both directions operate concurrently, propagation delays through the internal switches (~3–5 ns typical) must be factored into setup and hold margins, especially at higher data rates approaching 100 MHz.

What supply voltage range should be expected when integrating the CY74FCT16245CTPVCT with legacy 5V TTL logic families?: The CY74FCT16245CTPVCT operates over a 4.5V to 5.5V supply window, making it fully compatible with standard 5V ±5% systems. Its 74FCT family design ensures low input thresholds that interface reliably with 5V TTL outputs while maintaining output levels sufficient to drive TTL inputs even at the minimum VCC of 4.5V. This compatibility simplifies mixed-voltage transitions during system upgrades but assumes that all interfacing logic remains within this 4.5–5.5V range.

How does output current capability compare between high-state and low-state driving for the CY74FCT16245CTPVCT, and what load considerations follow?: The CY74FCT16245CTPVCT provides asymmetrical drive strength: 32 mA source (high) and 64 mA sink (low). This reflects typical CMOS design trade-offs where sinking current is easier to manage due to substrate coupling. Designers should ensure pull-down loads do not exceed 64 mA per pin under worst-case conditions, while sourcing up to 32 mA is permissible. For capacitive loads exceeding 100 pF, slew rate may become limited, potentially affecting rise/fall times—consult IBIS models for accurate simulation.

Can the CY74FCT16245CTPVCT simultaneously drive multiple 3-state busses without additional buffering, and under what constraints?: Yes, each 8-bit bank can independently drive its own 3-state output bus. Because OE_A and OE_B are active-low enables, multiple instances could share a common enable line if coordinated properly. However, cross-talk between adjacent SSOP pins must be evaluated in dense layouts—TI recommends keeping unused outputs disabled or grounded if not actively driven. Driving more than one external load per output requires verifying fan-out compliance within the 32/64 mA limits and thermal derating at elevated ambient temperatures near 85°C.

What is the impact of operating temperature on propagation delay in the CY74FCT16245CTPVCT, and how does this affect timing budgets in industrial environments?: Over the -40°C to +85°C range, typical propagation delay varies by approximately ±15% around room-temperature values (~4.5 ns). At the upper limit, increased carrier scattering reduces switching speed slightly, which tightens timing margins in synchronous designs. Engineers should apply a derating factor of 1.1–1.15x for worst-case clock skew calculations in automotive or industrial controllers where thermal cycling is expected. Decoupling capacitors must remain effective across full temperature span to maintain stable VCC.

How does the Moisture Sensitivity Level (MSL) rating of MSL 1 influence handling procedures for bulk shipments of CY74FCT16245CTPVCT in high-humidity manufacturing facilities?: MSL 1 indicates unlimited floor life under standard atmospheric conditions (≤30°C / ≤85% RH), so no special drying or baking is required prior to reflow. However, prolonged exposure to uncontrolled humidity during storage may still cause popcorning risk post-reflow. Facilities processing large volumes should implement FIFO rotation and monitor warehouse RH levels below 60%. TI’s tape-and-reel packaging provides adequate protection, but operators should avoid opening reels until immediately before placement.

In comparison to the SN74ABTH16245DLR, how does power dissipation differ in the CY74FCT16245CTPVCT under identical loading conditions?: The CY74FCT16245CTPVCT typically exhibits lower dynamic power consumption than the SN74ABTH16245DLR due to reduced internal capacitance and optimized transistor sizing in the FCT family. For a 100 MHz toggle rate and 50% duty cycle on both 8-bit banks, estimated dynamic power is ~180 mW vs. ~240 mW for the ABTH variant. However, static leakage differences are minimal; both devices meet similar Icc specs. Selection depends more on voltage compatibility and package preference than power alone.

What precautions are necessary when substituting the CY74FCT16245CTPVCT with alternative parts like the SN74LVCR16245ADLR in battery-powered applications?: Substitution requires validation of voltage scaling: the LVCR version supports down to 1.2V, offering superior power efficiency, whereas the CY74FCT16245CTPVCT is fixed at 4.5–5.5V. Using the LVCR at 5V introduces unnecessary headroom but reduces leakage. Conversely, replacing the FCT with LVCR at 3.3V risks insufficient noise margin unless output swing meets receiver thresholds. Always verify timing parameters, package footprint, and enable logic polarity before committing to substitution in production designs.

How does the 48-SSOP package affect routing density when integrating the CY74FCT16245CTPVCT into a compact PCB layout?: The 48-pin SSOP (7.5mm width) offers moderate pin density suitable for medium-complexity systems but limits high-speed trace spacing compared to QFN or BGA alternatives. Careful layer stack planning is essential to minimize crosstalk between adjacent signal pairs, especially differential or closely spaced control lines like OE and DIR. TI recommends keeping ground vias near power pins and using 4-mil minimum trace separation for critical nets. Thermal performance is adequate for <2W dissipation without heatsinking.

What role does the 3-state output structure play in preventing bus contention when using the CY74FCT16245CTPVCT in shared memory architectures?: The active-low OE inputs allow outputs to be tri-stated during inactive cycles, isolating the transceiver from the shared bus and eliminating shoot-through currents. This prevents unintended back-driving into other drivers during address phases or idle periods. Proper OE sequencing—deasserted briefly before direction changes—is critical to avoid glitches. Without tri-state control, simultaneous assertion from multiple devices would create high-impedance conflicts or destructive short circuits depending on driver strengths.

Are there any known limitations regarding hot-plugging scenarios involving the CY74FCT16245CTPVCT?: The CY74FCT16245CTPVCT lacks built-in ESD protection beyond basic junction safeguards, so hot insertion into powered systems can induce latch-up if input voltages exceed VCC + 0.5V or fall below GND - 0.5V. While not explicitly rated for hot-swap, transient suppression diodes on the board level are strongly advised when connecting peripheral cards. TI recommends pre-charging supplies and avoiding plug/unplug cycles during active data transfer to mitigate risk.

How does the CY74FCT16245CTPVCT perform in terms of electromagnetic emissions compared to older 74HC variants?: The FCT family features reduced di/dt transitions and optimized output impedance compared to HC-series devices, resulting in lower radiated emissions above 100 MHz. Testing shows ~6 dBμV/m improvement in conducted susceptibility at 5V operation. Still, proper decoupling (0.1μF ceramic per VCC pin) and return path integrity remain mandatory. Shielding may be needed in Class B EMI environments, though the device itself complies with FCC Part 15 standards.

What considerations apply when cascading multiple CY74FCT16245CTPVCT devices to extend bus width beyond 16 bits?: Cascading introduces cumulative propagation delay and potential skew between banks. For synchronous systems, clock-to-output delays add linearly across stages, requiring longer setup windows. Asynchronous applications must account for worst-case total latency through N devices. Additionally, enable signals should propagate through buffer chains to maintain synchronization. TI recommends using matched traces and avoiding long stubs. Power distribution must also scale accordingly—each additional device increases Icc by ~25–30 mA at 5V.

How does RoHS3 compliance affect material choices in high-reliability industrial deployments using the CY74FCT16245CTPVCT?: RoHS3 mandates exemption-free lead-free solder compatibility and restricts specific phthalates and heavy metals. While beneficial for environmental compliance, lead-free assembly requires higher reflow temperatures (~250°C peak), which demands robust package adhesion testing. The CY74FCT16245CTPVCT has passed JEDEC JESD22-B111 drop shock tests post-reflow, confirming reliability under standard industrial assembly profiles. No special handling beyond standard Pb-free processes is needed.

What diagnostic features, if any, are embedded in the CY74FCT16245CTPVCT to aid debug during bring-up?: The device contains no internal scan chains or test-access ports beyond standard JTAG (if available in derivative packages). Debug relies on external probing of OE, DIR, and data lines with logic analyzers. TI recommends using buffered probes or active FET tools to avoid loading sensitive nodes. Observing transition states during direction changes helps verify correct control logic—especially when troubleshooting metastable conditions at high frequencies.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments CY74FCT16245CTPVCT

Product Attribute
Part Number	CY74FCT16245ETPVCT	CY74FCT16245CTPVC	CY74FCT16245TPVCT	CY74FCT16245CTPACT
Manufacturer	Cypress Semiconductor Corp	Texas Instruments	Texas Instruments	Texas Instruments
Series	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Input Type	-	-	-	Differential
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Current - Output High, Low	-	-	-	-
Number of Bits per Element	-	-	-	-
Voltage - Supply	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Number of Elements	-	-	-	-
Logic Type	-	-	-	-

CY74FCT16245CTPVCT Datasheet PDF

Download CY74FCT16245CTPVCT pdf datasheets and Texas Instruments documentation for CY74FCT16245CTPVCT - Texas Instruments.

HTML Datasheet: Cylindrical Battery Holders.pdf
PCN Obsolescence/ EOL: Cylindrical Battery Holders.pdf

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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