SRAM 16 x 4: Difference between revisions
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|Soviet|| RU || 531 || KR531RU8 | |Soviet|| RU || 531 || KR531RU8 | ||
|- | |- | ||
|Texas|| SN || 7489 74189 || | |Texas|| SN || 7489 74189 || SN7489 SN74S189 | ||
|} | |} | ||
Revision as of 09:41, 16 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 | SN7489 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
