2/14/05, v.1.3

Alliance Semiconductor

17 of 18

AS7C252MPFS18A

®

Ordering information

Note:

Add suffix ‘N’ to the above part numbers for lead free parts (Ex AS7C252MPFS18A-200TQC

N)

Part numbering guide

1. Alliance Semiconductor SRAM prefix

2. Operating voltage: 25 = 2.5V

3. Organization: 2M = 2Meg

4. Pipelined mode

5. Deselect: S = single cycle deselect

6. Organization: 18 = x 18

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

-200

-166

-133

TQFP x 18

AS7C252MPFS18A-200TQC

AS7C252MPFS18A-166TQC

AS7C252MPFS18A-133TQC

AS7C252MPFS18A-200TQI

AS7C252MPFS18A-166TQI

AS7C252MPFS18A-133TQI

AS7C

25

2M

PF

S

18

A

–XXX

TQ

C/I

X

1

23

4

5678

910

11