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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Texas Instruments CY74FCT163244CPVC

Name: CY74FCT163244CPVC
Brand: Texas Instruments
SKU: CY74FCT163244CPVC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY74FCT163244CPVC

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: CY74FCT163244CPVC.pdf

Description:: BUS DRIVER, FCT SERIES

Quantity:: RFQ Add To RFQ list

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Product details

Overview

CY74FCT163244CPVC from Texas Instruments is a 16-bit non-inverting 3-state buffer/line driver IC designed for high-speed bus interface applications including memory drivers and clock distribution. It features 24 mA balanced output drive, 4.1 ns propagation delay (t_PLH/t_PHL), 5V-tolerant inputs/outputs, and operates across V_CC = 2.7 V to 3.6 V within the industrial temperature range (–40°C to +85°C).

For engineers reviewing the CY74FCT163244CPVC datasheet, CY74FCT163244CPVC pinout, CY74FCT163244CPVC application, or CY74FCT163244CPVC equivalent, key selection criteria include its 48-pin SSOP package, bus-hold-free input architecture, low ground bounce (Volp), and compatibility with 3.3-V LVTTL systems requiring live insertion support and noise-controlled edge rates.

Technical Context

The CY74FCT163244CPVC implements four independent 4-bit groups of non-inverting buffers, each controlled by dedicated active-low 3-state enable inputs (1OE–4OE). Its output stage integrates current-limiting resistors to deliver symmetrical ±24 mA drive capability while maintaining low skew (<250 ps typical) and fast switching (t_PZH/t_PZL ≤ 6.2 ns).

Unlike the bus-hold variant CY74FCT163H244, this device has standard CMOS-compatible inputs without internal hold circuitry-requiring external termination when inputs float. It supports power-off disable (IOFF ≤ ±100 µA at V_CC = 0 V) and meets JEDEC JESD-17 latch-up specifications.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.7 V to 3.6 V - Enables direct integration into 3.3-V LVTTL systems without level-shifting.
Propagation Delay	4.1 ns max (at V_CC = 3.0–3.6 V) - Supports >200 MHz data rates in synchronous bus environments.
Output Drive	±24 mA balanced - Ensures robust signal integrity across unterminated or lightly loaded PCB traces.
Input Tolerance	5 V tolerant - Allows safe interfacing with legacy 5-V logic without external clamping diodes.
Output Skew	<250 ps typical - Minimizes timing mismatch between parallel data lines in wide-bus applications.
Power-Off Disable	IOFF ≤ ±100 µA at V_CC = 0 V - Permits hot-plug operation without back-driving powered-down buses.
ESD Rating	HBM > 2000 V - Provides baseline protection against handling-induced electrostatic discharge.

Pinout & Package

Package: 48-pin SSOP (O48), 300-mil body width, JEDEC MO-118 compliant, 0.025-inch pitch.

Pin/Terminal	Circuit Role	Design Meaning
1OE–4OE	Active-low 3-state enable inputs	Independently control four 4-bit output groups; asserted LOW enables corresponding Y outputs.
1A1–1A4, 2A1–2A4, 3A1–3A4, 4A1–4A4	Data inputs (16 total)	CMOS-compatible inputs with 5-V tolerance; no bus hold - require external pull-up/down if floating.
1Y1–1Y4, 2Y1–2Y4, 3Y1–3Y4, 4Y1–4Y4	Non-inverting 3-state outputs (16 total)	24 mA sink/source drive; high-impedance state when respective OE is HIGH.
V_CC (Pins 24, 25, 47, 48)	Power supply	Four distributed V_CC pins reduce supply inductance and improve noise immunity on wide buses.
GND (Pins 12, 13, 26, 27, 39, 40)	Ground reference	Six GND pins provide low-inductance return paths for all 16 outputs and internal logic.

Key Features

Feature	Design Value
Edge-rate control	Integrated slew-rate limiting reduces simultaneous switching noise (SSN) and EMI in dense PCB layouts.
Live insertion support	Power-off disable (IOFF) prevents back-current flow during hot-swap, protecting upstream drivers.
FCT-C speed grade	4.1 ns propagation delay matches FCT family performance while consuming less power than earlier FCT-A/B variants.
Low ground bounce	Typical Volp exceeds MIL-STD-883D - maintains signal fidelity under heavy capacitive loading.
Latch-up immunity	Exceeds JEDEC JESD-17 - ensures reliability in noisy industrial environments with voltage transients.

Applications

Memory Interface Driver	Backplane Data Buffer
Use Scenario: Driving address/data lines between ASIC and SRAM/Flash in embedded controllers. IC Role / Device Role / Timing Role: Non-inverting 3-state buffer providing level translation and fanout expansion with precise timing alignment. Use Value: 4.1 ns t_PLH/t_PHL and <250 ps output skew ensure setup/hold margin compliance across 16-bit parallel buses.	Use Scenario: Isolating and regenerating signals across long backplane traces in modular instrumentation racks. IC Role / Device Role / Timing Role: Bus-hold-free line driver enabling clean signal retransmission with configurable group enables (1OE–4OE). Use Value: ±24 mA drive strength compensates for trace loss, while 5-V-tolerant inputs accept mixed-voltage source signals.
Programmable Logic I/O Expander	Industrial Clock Distribution
Use Scenario: Extending I/O count from CPLD/FPGA banks to peripheral sensors and actuators. IC Role / Device Role / Timing Role: Directionless buffer supporting bidirectional data flow via external control of OE pins. Use Value: Power-off disable (IOFF) allows safe hot-swap of field modules without disrupting main logic supply.	Use Scenario: Distributing low-skew clock signals from a central oscillator to multiple timing-critical subsystems. IC Role / Device Role / Timing Role: Low-jitter, low-skew buffer replicating clock edges with matched propagation paths. Use Value: Typical output skew <250 ps minimizes clock-to-clock phase error across 16 downstream loads.

Memory Interface Driver

Backplane Data Buffer

Use Scenario: Driving address/data lines between ASIC and SRAM/Flash in embedded controllers.

IC Role / Device Role / Timing Role: Non-inverting 3-state buffer providing level translation and fanout expansion with precise timing alignment.

Use Value: 4.1 ns t_PLH/t_PHL and <250 ps output skew ensure setup/hold margin compliance across 16-bit parallel buses.

Use Scenario: Isolating and regenerating signals across long backplane traces in modular instrumentation racks.

IC Role / Device Role / Timing Role: Bus-hold-free line driver enabling clean signal retransmission with configurable group enables (1OE–4OE).

Use Value: ±24 mA drive strength compensates for trace loss, while 5-V-tolerant inputs accept mixed-voltage source signals.

Programmable Logic I/O Expander

Industrial Clock Distribution

Use Scenario: Extending I/O count from CPLD/FPGA banks to peripheral sensors and actuators.

IC Role / Device Role / Timing Role: Directionless buffer supporting bidirectional data flow via external control of OE pins.

Use Value: Power-off disable (IOFF) allows safe hot-swap of field modules without disrupting main logic supply.

Use Scenario: Distributing low-skew clock signals from a central oscillator to multiple timing-critical subsystems.

IC Role / Device Role / Timing Role: Low-jitter, low-skew buffer replicating clock edges with matched propagation paths.

Use Value: Typical output skew <250 ps minimizes clock-to-clock phase error across 16 downstream loads.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
CY74FCT163H244CPVC	Includes bus-hold circuitry on all inputs; higher I_IL/I_IH (±100 µA vs. ±1 µA); identical pinout and package.	Eliminates need for external pull resistors on unterminated buses; not recommended for rail-to-rail CMOS-to-3.3V translation.	Select CY74FCT163H244CPVC only when input floating is unavoidable and bus-hold behavior is desired.
SN74LVC16244ADGGR	3.3-V-only inputs (not 5-V tolerant); lower drive (±24 mA same, but VOL/VOL specs differ); same 48-pin SSOP package.	Requires external level shifters for 5-V sources; optimized for pure 3.3-V systems with tighter VOL spec (0.55 V @ 24 mA).	Choose SN74LVC16244ADGGR for cost-sensitive 3.3-V-only designs where 5-V tolerance is unnecessary.

Compared with CY74FCT163H244CPVC and SN74LVC16244ADGGR, the CY74FCT163244CPVC uniquely balances 5-V tolerance, low quiescent current (ICC ≤ 10 µA), and proven industrial reliability-making it optimal for mixed-voltage bus interfaces requiring live insertion and noise resilience.

Availability

CY74FCT163244CPVC is available at Aetrix Electronics and suitable for memory interface drivers, backplane data buffering, programmable logic I/O expansion, industrial clock distribution, and other applications requiring stable component supply with guaranteed long-term sourcing.

Supply support for CY74FCT163244CPVC includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with over 90 years of innovation in industrial, automotive, and communications markets.

The CY74FCT163244CPVC belongs to TI's FCT logic family-designed specifically for high-speed, low-power 3.3-V bus interface applications demanding 5-V tolerance, live insertion, and robust noise immunity in harsh environments.

FAQ

What is the maximum operating frequency supported by CY74FCT163244CPVC?

The CY74FCT163244CPVC does not specify a maximum clock frequency directly, but its 4.1 ns propagation delay (t_PLH/t_PHL) and 5.2 ns output disable time (t_PLZ) support reliable operation in systems with data rates up to approximately 200 MHz under typical load conditions. Actual usable frequency depends on board layout, capacitive loading, and system timing margins-designers should verify timing closure using worst-case values from the switching characteristics table in the CY74FCT163244CPVC datasheet.

Does CY74FCT163244CPVC have bus-hold circuitry on its inputs?

No, the CY74FCT163244CPVC does not include bus-hold circuitry. That feature is exclusive to the CY74FCT163H244 variant. The CY74FCT163244CPVC uses standard CMOS-compatible inputs requiring external pull-up or pull-down resistors if left unconnected, as stated in the datasheet's Pin Description note and Electrical Characteristics tables.

What is the purpose of the multiple V_CC and GND pins on CY74FCT163244CPVC?

The CY74FCT163244CPVC features four V_CC pins (24, 25, 47, 48) and six GND pins (12, 13, 26, 27, 39, 40) to minimize power supply inductance and ground bounce across its 16 high-drive outputs. This distributed power/ground architecture ensures stable voltage delivery during simultaneous switching events-critical for maintaining signal integrity in wide-bus applications like memory interfaces and backplane drivers.

Can CY74FCT163244CPVC be used in hot-swap applications?

Yes, the CY74FCT163244CPVC supports live insertion via its power-off disable feature: when V_CC = 0 V, IOFF remains ≤ ±100 µA even with output voltages up to 4.5 V, preventing back-current flow into a powered-down system. This capability is explicitly verified in the Absolute Maximum Ratings and Electrical Characteristics sections of the CY74FCT163244CPVC datasheet.

What package type is used for CY74FCT163244CPVC?

The CY74FCT163244CPVC is packaged in a 48-pin SSOP (Shrink Small Outline Package), designated O48 per TI's ordering information, with 300-mil body width and 0.025-inch lead pitch. Its mechanical dimensions conform to JEDEC MO-118, and the package drawing is documented in TI's MSSO001C mechanical data sheet.

CY74FCT163244CPVC Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Elements:: -

Number of Bits per Element:: -

Input Type:: -

Output Type:: -

Current - Output High, Low:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

CY74FCT163244CPVC FAQ

1.How can I place an order for CY74FCT163244CPVC through Aetrix?

Please submit a Request for Quotation (RFQ) for CY74FCT163244CPVC on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for CY74FCT163244CPVC reliable?

The price and inventory of CY74FCT163244CPVC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY74FCT163244CPVC is usually 5 days.

3.What payment methods are accepted for CY74FCT163244CPVC?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY74FCT163244CPVC transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY74FCT163244CPVC?

CY74FCT163244CPVC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY74FCT163244CPVC order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for CY74FCT163244CPVC?

For technical support, including CY74FCT163244CPVC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY74FCT163244CPVC requirements.

6.How does Aetrix verify that CY74FCT163244CPVC is sourced from the original manufacturer or authorized distributors?

All CY74FCT163244CPVC products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY74FCT163244CPVC meets industry standards.

7.What is the process for return or replacement of CY74FCT163244CPVC?

All CY74FCT163244CPVC units undergo pre-shipment inspection (PSI). If there is an issue with CY74FCT163244CPVC, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The CY74FCT163244CPVC part is unused and in its original packaging.

Return procedure for CY74FCT163244CPVC:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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