Field Memory. AL422B Datasheet

AL422B Memory. Datasheet pdf. Equivalent

AL422B Datasheet
Recommendation AL422B Datasheet
Part AL422B
Description 3M-Bits FIFO Field Memory
Feature AL422B; AL422B 3M-Bits FIFO Field Memory Datasheets Version 1.5 © 1999~2006 by AverLogic Technologies, Corp .
Manufacture Averlogic Technologies
Datasheet
Download AL422B Datasheet




Averlogic Technologies AL422B
AL422B
3M-Bits FIFO Field Memory
Datasheets
Version 1.5
© 1999~2006 by AverLogic Technologies, Corp
Doc Number: 1-D-PMK222-0001



Averlogic Technologies AL422B
AL422B
Amendments (Since April 2, 1999)
05-13-99
07-02-99
08-03-99
09-02-99
10-26-99
12-15-99
01-18-01
02-28-02
03-20-02
02-20-03
04-27-04
05-11-04
DC/AC characteristics (including current consumption) updated.
Pinout diagram (5.0) and DC external load (7.4) modified.
Description about TST pin added in sections 6.0 & 8.1.
8.3.2 Rewritten.
Capacitance provided in the AC characteristics section.
Remove TST pin restriction.
1. Revised section “8.3.2 Read Enable during Reset Cycles” to “8.3.2 The Proper
Manipulation of FIFO Access”.
2. Add section “8.3.3 Single Field Write with Multiple Read Operation”
3. Add section “8.3.4 One Field Delay Line (The Old Data Read)”
Address and version update
Correct Pin-out diagram
Company Contact Information updated
1. Revised “5V or 3.3V power supply” in section “2.0 Features”
2. Revised “+5V/+3.3 volt” in section “4.0 Ordering Information”
3. Revised “5V or 3.3V” in section “6.0 Pin Description”
4. Revised section “7.0 Electrical Characteristics”
5. Revised section “8.2 5V and 3.3V application”
Include PB-free package “AL422B-PBF”
© 1999~2006 by AverLogic Technologies, Corp.
Version 1.5
2



Averlogic Technologies AL422B
AL422B 3M-Bits FIFO Field Memory
AL422
Contents:
1.0 Description _________________________________________________________________ 4
2.0 Features____________________________________________________________________ 4
3.0 A pplications ________________________________________________________________ 4
4.0 Ordering Information _________________________________________________________ 4
5.0 Pinout Diagram _____________________________________________________________ 5
6.0 Pin Description ______________________________________________________________ 6
7.0 Electrical Characteristics______________________________________________________ 6
7.1 Absolute Maximum Ratings __________________________________________________ 6
7.2 Recommended Operating Conditions___________________________________________ 7
7.3 DC Characteristics _________________________________________________________ 7
7.4 AC Characteristics _________________________________________________________ 7
7.5 Timing Diagrams __________________________________________________________ 10
8.0 Functional Description ______________________________________________________ 14
8.1 Memory Operation ________________________________________________________ 15
8.2 5V and 3.3V applications ____________________________________________________ 16
8.3 Restrictions ______________________________________________________________ 17
8.3.1 Irregular Read/Write _________________________________________________________________ 17
8.3.2 Read Enable during Reset Cycles _______________________________________________________ 18
9.0 Mechanical Drawing ________________________________________________________ 19
© 1999~2006 by AverLogic Technologies, Corp.
Version 1.5
3







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