DRAM 1k x 1: Difference between revisions
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!NUMBER | !NUMBER | ||
!MARKINGS | !MARKINGS | ||
|- | |||
|National Semiconductors || MM || 4261 || MM4261 MM5261 | |||
|- | |- | ||
|National Semiconductors || MM || 5260 || MM5260 | |National Semiconductors || MM || 5260 || MM5260 | ||
|} | |} | ||
'''Dynamic Random-Access Memory 1K x 1 ( | '''Dynamic Random-Access Memory 1K x 1 (DIP18, 300mil''' | ||
=Size= | =Size= | ||
| Line 28: | Line 28: | ||
DIP16 | DIP16 | ||
+---\/---+ | +---\/---+ | ||
A0 | 1 18| A7 | |||
A4 | 2 17| A8 | |||
R/W | 3 16| A9 | |||
A1 | 4 15| *CHIP ENABLE | |||
A2 | 5 14| DATA I/O | |||
A3 | 6 13| PRECHARGE | |||
A5 | 7 12| Vcc | |||
A6 | 8 11| Vdd | |||
NC | 9 10| Vss | |||
+--------+ | +--------+ | ||
</pre> | </pre> | ||
| Line 44: | Line 45: | ||
=Files= | =Files= | ||
<gallery widths="150px"> | <gallery widths="150px"> | ||
File:mm4261.pdf|MM4261 / MM5261 Datasheet | |||
File:mm5260.pdf|MM5260 Datasheet | File:mm5260.pdf|MM5260 Datasheet | ||
</gallery> | </gallery> | ||
[[Category:RAM]] | [[Category:RAM]] | ||
[[Category: | [[Category:DIP18]] | ||
Revision as of 09:46, 8 January 2017
| BRAND | TAG | NUMBER | MARKINGS |
|---|---|---|---|
| National Semiconductors | MM | 4261 | MM4261 MM5261 |
| National Semiconductors | MM | 5260 | MM5260 |
Dynamic Random-Access Memory 1K x 1 (DIP18, 300mil
Size
| bit | Byte (padded 0xxxxxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 1Kb | 1kB | 128B | 400hex |
Pinout
DIP16
+---\/---+
A0 | 1 18| A7
A4 | 2 17| A8
R/W | 3 16| A9
A1 | 4 15| *CHIP ENABLE
A2 | 5 14| DATA I/O
A3 | 6 13| PRECHARGE
A5 | 7 12| Vcc
A6 | 8 11| Vdd
NC | 9 10| Vss
+--------+
External links
Files
-
MM4261 / MM5261 Datasheet
-
MM5260 Datasheet
