| Model Number |
| AT27C040-90PU |
AT27C256R-45PU |
| Model Name |
| Microchip Tech AT27C040-90PU |
Microchip Tech AT27C256R-45PU |
| Category |
| Non-Volatile Memory (ROM) |
Non-Volatile Memory (ROM) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 4Mbit PDIP-32 Non-Volatile Memory (ROM) ROHS |
256Kbit DIP-28-600mil Non-Volatile Memory (ROM) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 8.360 grams / 0.294891 oz |
6.576 grams / 0.231962 oz |
| Package / Case |
| PDIP-32 |
DIP-28-600mil |
| Package / Arrange |
| Tube-packed |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 3A991B1B1 |
EAR99 |
| Supply Voltage |
| 4.5V~5.5V |
4.5V~5.5V |
| Memory Size |
| 4Mbit |
256Kbit |
| Interface Type |
| 并口(Parallel) |
并口(Parallel) |
| Memory Format |
| - |
N/A |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
