SRAM 16 x 4: Difference between revisions
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!MARKINGS | !MARKINGS | ||
|- | |- | ||
| | |Texas|| SN || 7489 || SN7489 | ||
|- | |- | ||
| | |Fairchild|| FC || 7489 74189 9389 || FC7489 FC9389 74F189 | ||
|- | |||
|National|| DM || 5489 7489 || DM5489 DM7489 DM54L89A DM74L89A | |||
|- | |||
|Signetics|| N || 7489 || N7489 | |||
|- | |||
|Siemens|| FLQ || 101 || FLQ101 | |||
|- | |||
|Fujitsu|| MB || 461 || MB461 | |||
|- | |||
|Mitsubishi|| M || 74289 || M74289 | |||
|- | |||
|Texas|| SN || 7489 || SN7489 | |||
|} | |} | ||
Revision as of 11:59, 21 July 2016
| BRAND | TAG | NUMBER | MARKINGS |
|---|---|---|---|
| Texas | SN | 7489 | SN7489 |
| Fairchild | FC | 7489 74189 9389 | FC7489 FC9389 74F189 |
| National | DM | 5489 7489 | DM5489 DM7489 DM54L89A DM74L89A |
| Signetics | N | 7489 | N7489 |
| Siemens | FLQ | 101 | FLQ101 |
| Fujitsu | MB | 461 | MB461 |
| Mitsubishi | M | 74289 | M74289 |
| Texas | SN | 7489 | SN7489 |
Bipolar RAM 16 x 4 (DIP16, 300mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 256Kb | 64KB | 32KB | 40000hex |
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
