SRAM 16k x 4
From Citylan
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Matra | HM3 | 65788 | DIP24-300mil SOJ24 LCC28 | . | HM1-65788H HMT-65788H HM3-65788H HM4-65788H HM1-65788K HMT-65788K HM3-65788K HM4-65788K |
| Matra | HM3 | 65789 | DIP24-300mil SOJ24 LCC28 | . | HM1-65789H HMT-65789H HM3-65789H HM4-65789H HM1-65789K HMT-65789K HM3-65789K HM4-65789K |
| Pyramid Semiconductor | P4C | 188 | DIP22-300mil SOJ24-300mil LCC22 | TS | P4C188 P4C188L |
| Pyramid Semiconductor | P4C | 198 | DIP24-300mil SOJ24-300mil LCC28 | TS | P4C198 P4C198A P4C198L P4C198AL |
| Pyramid Semiconductor | P4C | 1981 | DIP28-300mil SOJ28-300mil LCC28 | TS | P4C1981 P4C1981L |
| Pyramid Semiconductor | P4C | 1982 | DIP28 LCC28 | TS | P4C1982 P4C1982L |
Static Random-Access Memory 16K x 4
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 64Kb | 16KB | 8KB | 10000hex |
Pinout
DIP28 SOJ28
+---\/---+
A0 | 1 28| Vcc
A1 | 2 27| A13
A2 | 3 26| A12
A3 | 4 25| A11
A4 | 5 24| A10
A5 | 6 23| A9
A6 | 7 22| I4
A7 | 8 21| I3
A8 | 9 20| O4
I1 | 10 19| O3
I2 | 11 18| O2
*CE1 | 12 17| O1
*OE | 13 16| *WE
GND | 14 15| *CE2
+--------+
DIP24 SOJ24
+---\/---+
A0 | 1 24| Vcc
A1 | 2 23| A13
A2 | 3 22| A12
A3 | 4 21| A11
A4 | 5 20| A10
A5 | 6 19| A9
A6 | 7 18| NC/*CE2
A7 | 8 17| I/O4
A8 | 9 16| I/O3
*CE/*CE1 | 10 15| I/O2
*OE | 11 14| I/O1
GND | 12 13| *WE
+--------+
DIP22
+---\/---+
A0 | 1 22| Vcc
A1 | 2 21| A13
A2 | 3 20| A12
A3 | 4 19| A11
A4 | 5 18| A10
A5 | 6 17| A9
A6 | 7 16| I/O4
A7 | 8 15| I/O3
A8 | 9 14| I/O2
*CE | 10 13| I/O1
GND | 11 12| *WE
+--------+
LCC28 (ONLY P4C198, 65788 and 65789)
+--------------------------------------------+
| 4 A1 | | 18 I/O2 | |
| 5 A2 | | 19 I/O3 | |
| 6 A3 | 13 *OE | 20 I/O4 | 27 NC |
| 7 A4 | 14 GND | 21 A9 | 28 Vcc |
| 8 A5 | 15 NC/*CE2 | 22 A10 | 1 NC |
| 9 A6 | 16 *WE | 23 A11 | 2 NC |
| 10 A7 | 17 I/O1 | 24 A12 | 3 A0 |
| 11 A8 | | 25 A13 | |
| 12 *CE | | 26 NC | |
+--------------------------------------------+
LCC28 (ONLY P4C1981, P4C1982)
+-----------------------------------------+
| 4 A3 | | 18 O2 | |
| 5 A4 | | 19 O3 | |
| 6 A5 | 13 *OE | 20 O4 | 27 A13 |
| 7 A6 | 14 GND | 21 I3 | 28 Vcc |
| 8 A7 | 15 *CE2 | 22 I4 | 1 A0 |
| 9 A8 | 16 *WE | 23 A9 | 2 A1 |
| 10 I1 | 17 O1 | 24 A10 | 3 A2 |
| 11 I2 | | 25 A11 | |
| 12 *CE1 | | 26 A12 | |
+-----------------------------------------+
LCC22
+----------------------------------------+
| 3 A2 | | 14 I/O2 | |
| 4 A3 | 10 *CE | 15 I/O3 | 21 A13 |
| 5 A4 | 11 GND | 16 I/04 | 22 Vcc |
| 6 A5 | 12 *WE | 17 A9 | 1 A0 |
| 7 A6 | 13 I/O1 | 18 A10 | 2 A1 |
| 8 A7 | | 19 A11 | |
| 9 A8 | | 20 A12 | |
+----------------------------------------+
External links
Files
-
HM3-65788 HM3-65789 Datasheet
-
P4C188 Datasheet
-
P4C198 Datasheet
-
P4C1981 P4C1982 Datasheet
