SRAM 256 x 4: Difference between revisions

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Revision as of 20:57, 17 January 2015

Cross-Reference
BRAND TAG NUMBER PIN COUNT MARKINGS
AMD AM 9101 22 AM9101 AM93422
AMD AM 9111 18 AM9111
American Semiconductors EA 2101 22 EA2101
Fairchild F 93422 22 F93422
Harris HM 6551 22 HM6551
Harris HM 6561 18 HM6561
Intel D 2101 22 2101 8101 S5101
Intel D 2111 18 2111
Intersil MWS 5101 22 MWS5101 HM6551
Motorola MCM 5101 22 MCM5101
National Semiconductors MM 6551 22 MM6551 74C920 MM2101
Philips PCD 5101 22 PCD5101
RCA CD 5101 22 CD5101 CD1822
Texas Instruments TMS 2101 22 TMS2101 TMS2102 TMS4039
Texas Instruments TMS 2111 18 TMS2111 TMS2112 TMS4042
Toshiba TMM 5101 22 TMM5101

Static Random-Access Memory 256 x 4 (DIP18, 300mil)(DIP22, 300mil)

Size

bit Byte (padded 0000xxxx) Byte (unpadded) Hex
1Kb 512B 256B 400hex

Pinout

DIP22
    +--\/--+
A3  |1   22| Vcc
A2  |2   21| A4
A1  |3   20| *WE
A0  |4   19| *CS0
A5  |5   18| *OE
A6  |6   17| CS1
A7  |7   16| O3
GND |8   15| D3
D0  |9   14| O2
O0  |10  13| D2
D1  |11  12| O1
    +------+

DIP18
    +--\/--+
A3  |1   18| Vcc
A2  |2   17| A4
A1  |3   16| *WE
A0  |4   15| *CE1
A5  |5   14| O4
A6  |6   13| O3
A7  |7   12| 02
GND |8   11| O1
D0  |9   10| *CE2
    +------+

External links

SRAM page on wikipedia

Files