DRAM 2k x 1: Difference between revisions
From Citylan
Jump to navigationJump to search
Created page with "{| style="float: right;" border="1" cellpadding="4" cellspacing="0" |+ style="background:silver" | Cross-Reference !BRAND !TAG !NUMBER !MARKINGS |- |National Semiconductors ||..." |
mNo edit summary |
||
| Line 15: | Line 15: | ||
|-align="left" | |-align="left" | ||
!bit | !bit | ||
!Byte (padded | !Byte (padded 0000000x) | ||
!Byte (unpadded) | !Byte (unpadded) | ||
!Hex | !Hex | ||
Revision as of 13:24, 8 January 2017
| BRAND | TAG | NUMBER | MARKINGS |
|---|---|---|---|
| National Semiconductors | MM | 4262 | MM4262 MM5262 |
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
