AL4CS211 Datasheet, PDF (3/25 Pages) List of Unclassifed Manufacturers – Synchronous FIFO

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 3