DRAM 64k x 4: Difference between revisions
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|+ style="background:silver" | Cross-Reference | |||
!BRAND | |||
!TAG | |||
!NUMBER | |||
!MARKINGS | |||
|- | |||
|Fujitsu || MB || 81464 || MB81464 MB81466 | |||
|- | |||
|Hitachi || HM || 50464 || HM50464 | |||
|- | |||
|Matsushita || MN || 41464 || MN41464 | |||
|- | |||
|Mitsubishi || M5M || 4464 || M5M4464 | |||
|- | |||
|NEC || uPD || 41464 || uPD41464 | |||
|- | |||
|OKI || MSM || 41464 || MSM41464 | |||
|- | |||
|Samsung || KM || 41464 || KM41C464 KM41C466 | |||
|- | |||
|Sharp || LH || 2464 || LH2464 | |||
|- | |||
|Texas Instruments || TMS || 4464 || TMS4464 | |||
|- | |||
|Toshiba || TC || 51464 || TC51464 TC51466 | |||
|- | |||
|Note: | |||
*464= Page mode | |||
*466= Static column mode | |||
|| || || | |||
|} | |||
'''Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(LCC18, 330mil)(ZIP20, 100mil)''' | '''Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(LCC18, 330mil)(ZIP20, 100mil)''' | ||
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|256Kb || 64KB || 32KB || 40000hex | |256Kb || 64KB || 32KB || 40000hex | ||
|} | |} | ||
=Pinout= | =Pinout= | ||
Revision as of 10:06, 8 January 2017
| BRAND | TAG | NUMBER | MARKINGS |
|---|---|---|---|
| Fujitsu | MB | 81464 | MB81464 MB81466 |
| Hitachi | HM | 50464 | HM50464 |
| Matsushita | MN | 41464 | MN41464 |
| Mitsubishi | M5M | 4464 | M5M4464 |
| NEC | uPD | 41464 | uPD41464 |
| OKI | MSM | 41464 | MSM41464 |
| Samsung | KM | 41464 | KM41C464 KM41C466 |
| Sharp | LH | 2464 | LH2464 |
| Texas Instruments | TMS | 4464 | TMS4464 |
| Toshiba | TC | 51464 | TC51464 TC51466 |
Note:
|
Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(LCC18, 330mil)(ZIP20, 100mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 256Kb | 64KB | 32KB | 40000hex |
Pinout
DIP18
+---\/---+
*OE | 1 18| Vss
DO1 | 2 17| D04
DO2 | 3 16| *CAS
*WE | 4 15| DO3
*RAS | 5 14| A0
A6 | 6 13| A1
A5 | 7 12| A2
A4 | 8 11| A3
Vcc | 9 10| A7
+--------+
LCC18
+---------------------------------------------------------------+
| 3 DO2 | 8 A4 | 12 A2 | 17 D04 |
| 4 *WE | 9 Vcc | 13 A1 | 18 Vss |
| 5 *RAS | 10 A7 | 14 A0 | 1 *OE |
| 6 A6 | 11 A3 | 15 DO3 | 2 DO1 |
| 7 A5 | | 16 *CAS | |
+---------------------------------------------------------------+
ZIP20
^
DO3 1 |
| 2 *CAS
DO4 3 |
| 4 Vss
*OE 5 |
| 6 DO1
DO2 7 |
| 8 *WE
*RAS 9 |
| 10 NC
NC 11 |
| 12 A6
A5 13 |
| 14 A4
Vcc 15 |
| 16 A7
A3 17 |
| 18 A2
A1 19 |
| 20 A0
-
External links
Files
-
81464 Datasheet
