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28F256 256kb CMOS Flash Memory Datasheet
Photograph
Product Details
Features
- Standard 28F256 Flash Memory Type
- 5V Supply Operation
- Access Time: 150ns
- Low Power Consumption
- Fast Programming
- Sector Protection
- 100,000 Erase Cycles
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | Vpp - Programming Supply |
| 2 | NC - Not Connected |
| 3 | NC - Not Connected |
| 4 | A12 - Address Input |
| 5 | A7 - Address Input |
| 6 | A6 - Address Input |
| 7 | A5 - Address Input |
| 8 | A4 - Address Input |
| 9 | A3 - Address Input |
| 10 | A2 - Address Input |
| 11 | A1 - Address Input |
| 12 | A0 - Address Input |
| 13 | DQ0 - Data Input |
| 14 | DQ1 - Data Input |
| 15 | DQ2 - Data Input |
| 16 | Vss - Ground |
| 17 | DQ3 - Data Input |
| 18 | DQ4 - Data Input |
| 19 | DQ5 - Data Input |
| 20 | DQ6 - Data Input |
| 21 | DQ7 - Data Input |
| 22 | CE - Chip Enable |
| 23 | A10 - Address Input |
| 24 | OE - Output Enable |
| 25 | A11 - Address Input |
| 26 | A9 - Address Input |
| 27 | A8 - Address Input |
| 28 | A13 - Address Input |
| 29 | A14 - Address Input |
| 30 | NC - Not Connected |
| 31 | WE - Write Enable |
| 32 | Vcc - Positive Power Supply |
Dimensional Drawing
Technical Data
