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AS7C251MPFS32A

AS7C251MPFS36A

Alliance Semiconductor

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Ordering information

Note:

Add suffix ‘N’ to the above part numbers for lead free parts (Ex AS7C251MPFS32A-200TQC

N)

Part numbering guide

1. Alliance Semiconductor SRAM prefix

2. Operating voltage: 25 = 2.5V

3. Organization: 1M = 1Meg

4. Pipelined mode

5. Deselect: S = single cycle deselect

6. Organization: 32 = x 32; 36 = x 36

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 MHz

166 MHz

133 MHz

TQFP x32

AS7C251MPFS32A-200TQC

AS7C251MPFS32A-166TQC

AS7C251MPFS32A-133TQC

AS7C251MPFS32A-200TQI

AS7C251MPFS32A-166TQI

AS7C251MPFS32A-133TQI

TQFP x36

AS7C251MPFS36A-200TQC

AS7C251MPFS36A-166TQC

AS7C251MPFS36A-133TQC

AS7C251MPFS36A-200TQI

AS7C251MPFS36A-166TQI

AS7C251MPFS36A-133TQI

AS7C

25

1M

PF

S

32/36

A

–XXX

TQ

C/I

X

1

23

45678

910

11