Texas Instruments SN74ALVC3641-10PCB

Mfr. Part

SN74ALVC3641-10PCB

Manufacturer

Luminary Micro Texas Instruments

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Detailed Description

High-speed 3.3 V synchronous FIFO memory configured as 1K x 36 for wide data buses

Part of the 74ALVC logic family for advanced low-voltage CMOS operation

120-pin HLQFP LQFP package with 14 x 14 mm body size

Commercial temperature range 0 to 70 C

Surface-mount device in tray packaging

RoHS non-compliant version as specified

Key Features

Memory size 36K organized as 1K x 36

Synchronous operation for clocked reads and writes that simplify timing

Supply voltage 3 V to 3.6 V

Data rate up to 100 MHz for high-throughput buffering

Access time 7.5 ns typical performance class

Bi-directional bus support for flexible system interfacing

Depth and width expansion supported to build larger FIFO arrays

Programmable almost-full and almost-empty flags to control flow

Retransmit capability supported for repeated reads from a known pointer

First Word Fall Through FWFT not supported

Base product number 74ALVC3641

Series 74ALVC

Key Advantages

Wide 36-bit data path reduces the number of devices needed for large buses

Synchronous design improves timing predictability and eases FPGA ASIC interfacing

Programmable flags provide early warning to prevent data loss or overflow

Depth and width expansion makes scaling straightforward for broader system needs

Retransmit allows efficient re-reading without complex external control

Compact 120-pin LQFP package saves board space versus multi-chip solutions

Designed for 3.3 V systems common in modern digital designs

Proven TI ALVC family known for speed and low power

Note on current specification The value 350 A in the provided data appears unrealistic for an IC. Please verify the correct maximum supply current in the datasheet

Packaging

Package type HLQFP LQFP with 120 leads

Supplier device package 120-HLQFP 14 x 14 mm

Body size approximately 14 mm x 14 mm square with gull-wing leads on four sides

Pin configuration 120 pins arranged around the perimeter. Fine-pitch leads typical for LQFP

Material molded epoxy encapsulation with copper leadframe typical for LQFP packages

Mounting method surface mount compatible with standard reflow profiles

Thermal characteristics LQFP packages rely on PCB copper area for heat spreading. Thermal performance depends on board design and airflow. Review datasheet and TI package application notes for thermal guidelines

Electrical properties designed for 3.0 V to 3.6 V supply and CMOS logic levels. ESD protection and signal integrity depend on layout and decoupling. Follow best practices for decoupling capacitors and controlled trace impedance

Shipping packaging tray

Lifecycle

Lifecycle status for this exact suffix may vary by region and date. The 74ALVC family is mature and some options or package variants can be limited or NRND depending on demand

Potential alternatives exist in similar 3.3 V synchronous FIFO families from Renesas IDT and Infineon Cypress with 1K x 36 configurations and comparable flags and speed grades. Exact cross references depend on required speed grade, FWFT preference, flag behavior, and pinout

If you need drop-in or functional equivalents contact Y-IC via our website. Our team will provide an up-to-date cross-reference list and availability

If this model is nearing discontinuation or on limited supply we will guide you to compatible alternatives or last-time-buy options

Key Application Areas

FPGA and ASIC data buffering between mismatched clock domains

Telecom and networking line cards and packet buffers

Data acquisition and instrumentation systems needing rate matching

Video processing pipelines that require wide bus buffering

Storage and RAID controllers for burst capture and release

Embedded systems interfaces between microcontrollers and DSPs

Bus width conversion and flow control in high-speed digital designs

Datasheet

Y-IC hosts the most authoritative datasheet and technical documents for this product on our website

We recommend downloading the datasheet on this page for accurate electrical, timing, pinout, and package details

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