DRAM 2k x 1: Difference between revisions
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!MARKINGS | !MARKINGS | ||
|- | |- | ||
|National Semiconductors || MM || 4262 || 22 || || MM4262 | |National Semiconductors || MM || 4262 || 22 || || MM4262 MM4262D | ||
|- | |- | ||
|National Semiconductors || MM || 5262 || 22 || || MM5262 | |National Semiconductors || MM || 5262 || 22 || || MM5262 MM5262D MM5262N | ||
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[[Category:RAM]] | [[Category:RAM]] | ||
[[Category:DIP22]] | [[Category:DIP22-300mil]] | ||
Latest revision as of 16:58, 28 December 2021
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| National Semiconductors | MM | 4262 | 22 | MM4262 MM4262D | |
| National Semiconductors | MM | 5262 | 22 | MM5262 MM5262D MM5262N |
Dynamic Random-Access Memory 2K x 1 (DIP22, 300mil)
Size
| bit | Byte (padded 0000000x) | Byte (unpadded) | Hex |
|---|---|---|---|
| 2Kb | 2kB | 256B | 800hex |
Pinout
DIP22
+---\/---+
Vbb | 1 22| *CHIP SELECT
NC | 2 21| DATA IN
*R/W | 3 20| Vss
DATA OUT | 4 19| CLOCK1
Vdo | 5 18| CLOCK3
A5 | 6 17| CLOCK2
A6 | 7 16| A4
A7 | 8 15| A3
A8 | 9 14| A2
A9 | 10 13| A1
A10 | 11 12| A0
+--------+
External links
Files
-
MM4262 / MM5262 Datasheet
