Manufacturer Part Number

74ALVTH32374ZKER

Description

This is a D-type flip-flop integrated circuit with four 8-bit registers. It is designed for high-speed data storage and transfer in digital systems. The device uses a positive-edge clock to capture input data and provides tri-state, non-inverted outputs for easier bus control. Offered in a micro ball grid array (BGA) package, it supports surface mounting on printed circuit boards. Targeted at applications needing reliable, fast, and parallel data handling, especially where board space is limited.

Specifications

Number of flip-flop elements: 4

Bits per element: 8

Total data width: 32-bit (4×8)

Output type: Tri-state, Non-Inverted

Packaging: 96-PBGA MICROSTAR (13.6 × 5.6 mm), 96-LFBGA

Clock type: Positive edge triggered

Operating supply voltage: 2.3V~2.7V, 3V~3.6V

Max clock frequency: 250 MHz

Max input capacitance: 3.5 pF

Quiescent current: 100 µA

Max output current: High 8 mA, Low 24 mA; supports up to 32 mA, 64 mA

Propagation delay: 3.2 ns @ 3.3V, 50 pF load

Operating temperature range: -40°C to +85°C

RoHS3 compliant, REACH unaffected

Moisture Sensitivity Level: 3 (168 hours)

ECCN: EAR99

HTSUS: 8542.39.0001

Device Structure

The part is built with CMOS technology providing low power consumption and high-speed operation. There are four independent D-type flip-flop elements, each handling 8 bits. The outputs are tri-state which allows multiple devices to share the same bus lines without conflict. The device uses a ball grid array package (BGA) for compact integration and high-density board design.

Performance Characteristics

Fast data storage and transfer with low propagation delay (3.2ns)

Supports up to 250 MHz operation for high-throughput systems

Can drive significant output current, making it suitable for robust bus operations

Wide supply voltage range ensures compatibility with different logic levels

Very low quiescent current, optimized for power-sensitive applications

Tri-state outputs enable use in bus-oriented systems and reduce pin conflicts

Application Environments

Used in high-speed data communication systems

Memory interface latches and registers

Bus drivers for heavily loaded buses

Industrial equipment and computing systems

Any system needing synchronous, multi-bit data storage/transfer with minimal board area

Selection Guidelines

Choose this device when you need to handle parallel data storage/movement across a bus

Suitable for designs demanding high speed and low propagation delays

Fits tightly packed, high-density modern PCBs due to its BGA package

Check voltage compatibility (2.3V to 3.6V logic systems)

Ensure the operating temperature range meets your application’s requirements

Useful for obsolescence replacements; check current inventory status

Usage Considerations

Device is obsolete; verify stock availability before design-in

Observe proper moisture handling (MSL 3 - must be soldered within 168 hours after opening the package)

Needs accurate PCB design for BGA packages (may require reflow soldering and X-ray inspection)

Tri-state output design must be managed carefully to avoid bus contention

Avoid exceeding maximum ratings for voltage and current; over-driving may permanently damage the device

Verify signal timing to ensure propagation delay aligns with system clock requirements

Potential Equivalent/Replacement Models

This part is obsolete and not in ongoing production. There may not be exact drop-in equivalents due to package and performance specifics. Some alternative options could include:

Texas Instruments SN74ALVTH32374 series (if still available)

Other vendors’ 74ALVTH32374 or 74LVC32374 equivalents (on different footprints)

For alternative manufacturers, check ON Semiconductor, Nexperia, or Fairchild for equivalent 32-bit register flip-flops

If you need a compatible replacement, check for pin and function compatibility, especially the BGA package

If no equivalent models meet your needs, contact the Ariat-Tech sales team for further assistance or up-to-date replacement recommendations.

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