AL4CS251 datasheet, PDF - EEWORLD Datasheet

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AL4CS251: DescriptionSynchronous FIFO; File Size2MB，25 Pages; ManufacturerETC1

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AL4CS251 Overview

Synchronous FIFO

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AL4CS211

AL4CS221

AL4CS231

AL4CS241

AL4CS251

Data Sheets

Version 1.1

AL4CS211/AL4CS221/AL4CS231/AL4CS241/AL4CS251

AL4CS211/AL4CS221/AL4CS231/AL4CS241/

AL4CS251 (512 x9, 1k x9, 2k x9, 4k x9, 8k x9)

Synchronous FIFO

Contents:

1.0 Description ________________________________________________________________ 4

2.0 Features___________________________________________________________________ 4

3.0 Applications________________________________________________________________ 4

4.0 Chip Information ___________________________________________________________ 5

4.1 Marking Information _____________________________________________________________ 5

4.1 Ordering Information_____________________________________________________________ 5

5.0 Pin-out Diagram ____________________________________________________________ 6

6.0 Block Diagram _____________________________________________________________ 6

7.0 Pin Definition and Description ________________________________________________ 7

8.0 Memory Operations _________________________________________________________ 8

8.1 Inputs and Outputs _______________________________________________________________ 8

8.2 Controls ________________________________________________________________________ 9

8.3 Flags__________________________________________________________________________ 11

9.0 Multiple Devices Bus Expansion and Cascading _________________________________ 12

9.1 Width Expansion Configuration ___________________________________________________ 12

9.2 Depth Expansion ________________________________________________________________ 12

10.0 Electrical Characteristics ___________________________________________________ 14

10.1 Absolute Maximum Ratings ______________________________________________________ 14

10.2 Recommended Operating Conditions ______________________________________________ 14

10.3 DC Characteristics _____________________________________________________________ 14

10.4 AC Electrical Characteristics_____________________________________________________ 15

10.5 Timing Diagrams_______________________________________________________________ 16

11.0 Mechanical Drawing ______________________________________________________ 23

11.1 7x7mm 32-pin TQFP Package ____________________________________________________ 23

11.2 32-pin PLCC Package___________________________________________________________ 24

AL4CS211/AL4CS221/AL4CS231/AL4CS241/AL4CS251

December 14, 2001

AL4CS251 Related Products

	AL4CS251	AL4CS211	AL4CS221	AL4CS231	AL4CS241
Description	Synchronous FIFO	Synchronous FIFO	Synchronous FIFO	Synchronous FIFO	Synchronous FIFO

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