SRAM 64k x 4: Difference between revisions
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!bit | !bit | ||
!Byte | !Byte (padded 0000xxxx) | ||
!Byte (unpadded) | |||
!Hex | !Hex | ||
|- | |- | ||
|256Kb || 32KB || 40000hex | |256Kb || 64KB || 32KB || 40000hex | ||
|} | |} | ||
Revision as of 18:40, 9 September 2014
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 |
Cross-Reference
BRAND TAG NUMBER CODES Cypress CY 194 CY7C192 CY7C194 CY7C195 CY7C196 CY7C67081 CY7C67082 Fujitsu MB 8184 MB81C84A MB81C86 Hitachi HM 6208 HM6208 HM6709 HM6709AJP HM6709SHJP IDT IDT 71258 IDT71258 IDT61258 IDT71281S IDT71281L IDT71282S IDT71282L Mitsubishi M5M 5259 M5M5259B Motorola MCM 6209 MCM6209C NEC uPD 3254 uPD43254CR Samsung KM 41464 KM64257A KM64257AL KM64257B KM64258B KM64259B KM64260B Sony CXK 54256 CXK54256 Toshiba TC 55464 TC55464 TC55465
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
+--------+
External links
Files
-
CY7C194 CY7C195 CY7C196 Datasheet
-
IDT71281S IDT71281L IDT71282S IDT71282L Datasheet
-
KM64259B KM64260B Datasheet
