AL422 datasheet(3/20 Pages) ETC1

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AL422

AL422B

January 23, 2001

AL422 3M-Bits FIFO Field Memory

Contents:

1.0 Description ________________________________________________________________ 4

2.0 Features___________________________________________________________________ 4

3.0 Applications________________________________________________________________ 4

4.0 Ordering Information ________________________________________________________ 4

5.0 Pinout Diagram ____________________________________________________________ 5

6.0 Pin Description _____________________________________________________________ 5

7.0 Electrical Characteristics _____________________________________________________ 6

7.1 Absolute Maximum Ratings ________________________________________________________ 6

7.2 Recommended Operating Conditions ________________________________________________ 6

7.3 DC Characteristics _______________________________________________________________ 6

7.4 AC Characteristics _______________________________________________________________ 7

7.5 Timing Diagrams_________________________________________________________________ 9

8.0 Functional Description______________________________________________________ 13

8.1 Memory Operation ______________________________________________________________ 14

8.2 5V and 3.3V applications _________________________________________________________ 15

8.3 Application Notes _______________________________________________________________ 16

8.3.1 Irregular Read/Write _________________________________________________________________ 16

8.3.2 The Proper Manipulation of FIFO Access _________________________________________________ 17

8.3.3 Single Field Write with Multiple Read Operation ___________________________________________ 17

8.3.4 One Field Delay Line (The Old Data Read) _______________________________________________ 17

9.0 Mechanical Drawing _______________________________________________________ 19

AL422 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers