SRAM 64k x 4
From Citylan
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Cypress | CY | 7C192 | CY7C192 | ||
| Cypress | CY | 7C194 | 24 28 | TS | CY7C194 |
| Cypress | CY | 7C195 | 24 28 | TS | CY7C195 |
| Cypress | CY | 7C196 | 24 28 | TS | CY7C196 |
| Cypress | CY | 7C67081 | CY7C67081 | ||
| Cypress | CY | 7C67082 | CY7C67082 | ||
| Fujitsu | MB | 8184 | MB81C84A | ||
| Fujitsu | MB | 8186 | MB81C86 | ||
| Hitachi | HM | 6208 | HM6208 | ||
| Hitachi | HM | 6709 | HM6709 HM6709AJP HM6709SHJP | ||
| Integrated Dev. Tech. | IDT | 71258 | IDT71258 IDT61258 | ||
| Integrated Dev. Tech. | IDT | 71281 | 28 | TS | IDT71281S IDT71281L |
| Integrated Dev. Tech. | IDT | 71282 | 28 | TS | IDT71282S IDT71282L |
| Mitsubishi | M5M | 5259 | M5M5259B | ||
| Motorola | MCM | 6209 | MCM6209C | ||
| NEC | uPD | 43254 | uPD43254CR | ||
| Paradigm | PDM | 41298 | DIP28-300mil SOJ28-300mil | PDM41298LA | |
| Samsung | KM | 64257 | KM64257A KM64257AL | ||
| Samsung | KM | 64258 | KM64258B | ||
| Samsung | KM | 64259 | 28 | TS | KM64259B |
| Samsung | KM | 64260 | 28 | TS | KM64260B |
| Sony | CXK | 54256 | CXK54256 | ||
| Toshiba | TC | 55464 | TC55464 | ||
| Toshiba | TC | 55465 | TC55465 |
Static Random-Access Memory 64K x 4 (DIP24, 300mil)(DIP28, 300mil)(SOJ24, 300mil)(SOJ28, 300mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 256Kb | 64KB | 32KB | 40000hex |
Pinout
DIP24 - SOJ24
+---\/---+
A6 | 1 24| Vcc
A7 | 2 23| A5
A8 | 3 22| A4
A9 | 4 21| A3
A10 | 5 20| A2
A11 | 6 19| A1
A12 | 7 18| A0
A13 | 8 17| I/O3
A14 | 9 16| I/O2
A15 |10 15| I/O1
*CE |11 14| I/O0
GND |12 13| *WE
+--------+
DIP28 - SOJ28
+---\/---+
NC | 1 28| Vcc
A6 | 2 27| A5
A7 | 3 26| A4
A8 | 4 25| A3
A9 | 5 24| A2
A10 | 6 23| A1
A11 | 7 22| A0
A12 | 8 21| NC
A13 | 9 20| *CE2/NC
A14 |10 19| I/O3
A15 |11 18| I/O2
*CE1 |12 17| I/O1
*OE |13 16| I/O0
GND |14 15| *WE
+--------+
TSOP28 Type1 8x12
+-------------+
A10 |22 21| NC
A11 |23 20| NC
A12 |24 19| I/O3
A13 |25 18| I/O2
A14 |26 17| I/O1
A15 |27 16| I/O0
Vcc |28 15| *WE
NC | 1 [] 14| Vss
A0 | 2 13| *OE
A1 | 3 12| *CE
A2 | 4 11| A9
A3 | 5 10| A8
A4 | 6 9| A7
A5 | 7 8| A6
+-------------+
External links
Files
-
CY7C194 CY7C195 CY7C196 Datasheet
-
IDT71281S IDT71281L IDT71282S IDT71282L Datasheet
-
KM64259B KM64260B Datasheet
-
PDM41298 Datasheet
