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The 41256P is the new generation dynamic RAM organized 262,144 words by 1 bit, it is the successor to the industry standard TMM4164AP. The 41256P utilizes TOSHI BA’s N-channel Silicon gate process technology as well as advanced circuit techniques to provide wide operating margins, both internally and to the system, user 41256P IT to be packaged in a standard 16 pin plastic DIP and 18 pins plastic leaded chip carrier. The package size provides high system t)lt densities and is compatible with Widely available automated testing and insertion equipment.
41256 Pinout
41256 Pin Configuration
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | A8 | Address Pin 8 |
| 2 | DIN | Data In |
| 3 | WRITE’ | Read/Write Input |
| 4 | RAS’ | Row Address Strobe |
| 5 | A0 | Address Pin 0 |
| 6 | A1 | Address Pin 1 |
| 7 | A2 | Address Pin 2 |
| 8 | VCC | Power Voltage |
| 9 | A7 | Address Pin 7 |
| 10 | A5 | Address Pin 5 |
| 11 | A4 | Address Pin 4 |
| 12 | A3 | Address Pin 3 |
| 13 | A6 | Address Pin 6 |
| 14 | D OUT | Data Out |
| 15 | CAS’ | Column Address Strobe |
| 16 | VSS | Ground Pin |
41256 Key Feature
- Single power supply of 5V ± 1 0% with a built-in Vss generator
- Low Power:
- 330mW Operating (MAX.) (TMM41256P/T-12)
- 275mW Operating (MAX.) (TMM41256P/T-15)
- 28mVV Stand by (MAX.)
- 262,144 words by 1 bit organization
- Fast access time and cycle time
You can download this datasheet for 41256 256k Video RAM – Datasheet from the link given below:
