SRAM 256 x 4
From Citylan
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| AMD | AM | 9101 | 22 | AM9101 AM93422 | |
| AMD | AM | 9111 | 18 | AM9111 | |
| American Semiconductors | EA | 2101 | 22 | EA2101 | |
| Fairchild | F | 93422 93L422 | DIP22-400mil | TS | F93422 F93422A F93422DC F93L422 F93L422A |
| Harris | HM | 6551 | 22 | HM6551 | |
| Hitachi | HM | 435101 | 22 | HM435101 HM435101P HM435101V | |
| Intel | D/P | 2101 | 22 | TS | D2101 D2101A |
| Intel | D/P | 2111 | 18 | TS | D2111 |
| Intel | D/P | 2112 | 16 | TS | D2112 |
| Intel | D/P | 2113 | D2113 | ||
| Intel | D/P | 5101 | 22 | TS | D5101 D5101L P5101L |
| Intel | D/P | 8101 | 22 | TS | D8101 |
| Intel | D/P | 8111 | 18 | TS | D8111 |
| Intersil | MWS | 5040 | 22 | TS | MWS5040D MWS5040H |
| Intersil | MWS | 5101 | 22 | TS | MWS5101 HM6551 |
| Mitsubishi | M5L | 2111 | 18 | M5L2111 | |
| Motorola | MCM | 5101 | 22 | MCM5101 MCM51L01 | |
| National Semiconductors | MM | 6551 | 22 | MM6551 74C920 MM2101 MM2111 | |
| Philips | PCD | 5101 | 22 | PCD5101 | |
| Pyramid Semiconductor | P4C | 422 | 22 | P4C422 | |
| Pyramid Semiconductor | P4C | 423 | 24 | P4C422 | |
| Pyramid Semiconductor | P4C | 93U422 | 22 | TS | P93U422 P4C93U422 |
| RCA | CD | 5101 | 22 | CD5101 CD1822 | |
| Texas Instruments | TMS | 2101 | 22 | TMS2101 | |
| Texas Instruments | TMS | 2102 | 22 | TMS2102 | |
| Texas Instruments | TMS | 2111 | 18 | TMS2111 | |
| Texas Instruments | TMS | 2112 | 18 | TMS2112 | |
| Texas Instruments | TMS | 4039 | 22 | TS | TMS4039 TMS4039-1 TMS4039-2 |
| Texas Instruments | TMS | 4042 | 18 | TS | TMS4042 TMS4042-1 TMS4042-2 |
| Texas Instruments | TMS | 4043 | 16 | TS | TMS4043 TMS4043-1 TMS4043-2 |
| Texas Instruments | TMS | 74207 | 16 | TS | SN74S207 74S207 |
| Texas Instruments | TMS | 74208 | 16 | TS | SN74S208 74S208 |
| Toshiba | TMM | 5101 | 22 | TMM5101 | |
| Xicor | X | 2212 | 18 | X2212 X2212D X2212L |
Static Random-Access Memory 256 x 4 (DIP16, 300mil)(DIP18, 300mil)(DIP22, 300mil)(DIP24, 300mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 1Kb | 512B | 256B | 400hex |
Pinout
DIP24
+--\/--+
A2 |1 24| Vcc
A3 |2 23| A1
A4 |3 22| A0
A5 |4 21| *WE
A6 |5 20| *CS1
A7 |6 19| *OE
Vss |7 18| Vcc
D0 |8 17| CS2
D1 |9 16| D3
O0 |10 15| D2
O1 |11 14| O3
Vss |12 13| O2
+------+
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 (only x2212)
+--\/--+
A7 |1 18| Vcc
A4 |2 17| A6
A3 |3 16| A5
A2 |4 15| I/O4
A1 |5 14| I/O3
A0 |6 13| I/O2
*CS |7 12| I/O1
Vss |8 11| *WE
*ST |9 10| *REC / *ARR
+------+
DIP18 (all the others)
+--\/--+
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| O2
GND |8 11| O1
D0 |9 10| *CE2
+------+
DIP16
+--\/--+
A3 |1 16| Vcc
A2 |2 15| A4
A1 |3 14| *WE
A0 |4 13| *CE1
A5 |5 12| O4
A6 |6 11| O3
A7 |7 10| O2
GND |8 9| O1
+------+
External links
Files
-
F93L422 Datasheet
-
AM9101 Datasheet
-
AM9111 Datasheet
-
D2101A Datasheet
-
D2111 Datasheet
-
D2112A Datasheet
-
D5101 Datasheet
-
D8101 Datasheet
-
D8111 Datasheet
-
MCM5101 Datasheet
-
MWS5101 Datasheet
-
P4C422 Datasheet
-
P4C423 Datasheet
-
P93U422 Datasheet
-
TMS40xx Datasheet
-
X2212 Datasheet
