SRAM 4k x 4
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| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Cypress | CY | 7C168 | DIP20 | TS | CY7C168A |
| Integrated Dev. Tech. | IDT | 6168 | DIP20 | . | IDT6168SA IDT6168LA |
| Micron | MT | 1606 | DIP24 | . | MT5C1606 |
| Micron | MT | 1607 | DIP24 | . | MT5C1607 |
| Pyramid Semiconductor | P4C | 168 | DIP20 | . | P4C168 P4C168L |
| Pyramid Semiconductor | P4C | 169 | DIP20 | . | P4C169 |
| Pyramid Semiconductor | P4C | 170 | DIP22 | . | P4C170 |
| Pyramid Semiconductor | P4C | 1681 | DIP24 LCC28 | . | P4C1681 |
| Pyramid Semiconductor | P4C | 1682 | DIP24 LCC28 | . | P4C1682 |
| Sony | CXK | 5416 | DIP20 | TS | CXK5416P |
Static Random-Access Memory 4K x 4 (DIP20, 300mil)(DIP22, 300mil)(DIP24, 300mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 4Kb | 4KB | 2KB | 1000hex |
Pinout
DIP24
+---\/---+
A4 | 1 24| Vcc
A5 | 2 23| A3
A6 | 3 22| A2
A7 | 4 21| A1
A8 | 5 20| A0
A9 | 6 19| D4
A10 | 7 18| D3
A11 | 8 17| Q4
D1 | 9 16| Q3
D2 |10 15| Q2
*CE |11 14| Q1
GND |12 13| *WE
+--------+
DIP22 (only P4C170)
+---\/---+
A0 | 1 22| Vcc
A1 | 2 21| A11
A2 | 3 20| A10
A3 | 4 19| A9
A4 | 5 18| A8
A5 | 6 17| NC
A6 | 7 16| I/O4
A7 | 8 15| I/O3
*CS | 9 14| I/O2
*OE |10 13| I/O1
GND |11 12| *WE
+--------+
DIP20
+---\/---+
A4 | 1 20| Vcc
A5 | 2 19| A3
A6 | 3 18| A2
A7 | 4 17| A1
A8 | 5 16| A0
A9 | 6 15| I/O0
A10 | 7 14| I/O1
A11 | 8 13| I/O2
*CE | 9 12| I/O3
GND |10 11| *WE
+--------+
LCC28 (only P4C1681 P4C1682)
+--------------------------------------+
| 5 A4 | 12 I2 | 19 04 | 26 A10 |
| 6 A5 | 13 *CE | 20 I3 | 27 A11 |
| 7 NC | 14 GND | 21 NC | 28 Vcc |
| 8 NC | 15 *WE | 22 NC | 1 A0 |
| 9 A6 | 16 01 | 23 I4 | 2 A1 |
| 10 A7 | 17 O2 | 24 A8 | 3 A2 |
| 11 I1 | 18 O3 | 25 A9 | 4 A3 |
+--------------------------------------+
External links
Files
-
CXK5416P Datasheet
-
CY7C168A Datasheet
-
IDT6168SA Datasheet
-
MT5C1606 Datasheet
-
P4C168 P4C169 P4C170 Datasheet
-
P4C1681 P4C1682 Datasheet
