®

AS7C331MPFS18A

12/23/04, v 2.6

Alliance Semiconductor

18 of 19

Ordering information

Note: Add suffix ‘N’ to the above part numbers for Lead Free Parts (Ex. AS7C331MPFS18A-166TQCN)

Part numbering guide

1. Alliance Semiconductor SRAM prefix

2. Operating voltage: 33 = 3.3V

3. Organization: 1M

4. Pipelined mode

5. Deselect: S = single cycle deselect

6. Organization: 18 = x18

7. Production version: A = first production version

8. Clock speed (MHz)

9. Package type: TQ = TQFP

10. Operating temperature: C = commercial (

0

° C to 70° C); I = industrial (-40° C to 85° C)

11. N = Lead free part

Package &

Width

–166

–133

TQFP x18

AS7C331MPFS18A-166TQC

AS7C331MPFS18A-133TQC

AS7C331MPFS18A-166TQI

AS7C331MPFS18A-133TQI

AS7C

33

1M

PF

S

18

A

–XXX

TQ

C/I

X

1

23

45678

910

11