SRAM 16 x 4: Difference between revisions
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|Soviet|| RU || 531 || KR531RU8 | |Soviet|| RU || 531 || KR531RU8 | ||
|- | |- | ||
|Texas|| SN || 74189 | |Texas|| SN || 7489 74189 || SN 7489 SN74S189 | ||
|} | |} | ||
Revision as of 17:22, 15 January 2017
BRAND | TAG | NUMBER | MARKINGS |
---|---|---|---|
Fairchild | FC | 7489 74189 9389 | FC7489 FC9389 74F189 |
Fujitsu | MB | 461 | MB461 |
Mitsubishi | M | 74289 | M74289 |
National | DM | 5489 7489 | DM5489 DM7489 DM54L89A DM74L89A |
Siemens | FLQ | 101 | FLQ101 |
Signetics | N | 7489 | N7489 |
Soviet | RU | 531 | KR531RU8 |
Texas | SN | 7489 74189 | SN 7489 SN74S189 |
Bipolar RAM 16 x 4 (DIP16, 300mil)
Size
bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
---|---|---|---|
64b | 16B | 8B | 40hex |
Note:
Pinout
+--\/--+ A0 |1 16| Vcc *ME |2 15| A1 *WE |3 14| A2 D1 |4 13| A3 *Q1 |5 12| D4 D2 |6 11| *Q4 *Q2 |7 10| D3 GND |8 9| *Q3 +------+
External links
Files
-
7489 Datasheet
-
74189 Datasheet