| 欧盟限制某些有害物质的使用 | Not Compliant |
| ECCN (US) | 3A001.a.2.c |
| Part Status | Obsolete |
| Chip Density (bit) | 256K |
| Number of Words | 64K |
| Number of Bits/Word (bit) | 4 |
| Data Rate Architecture | SDR |
| Address Bus Width (bit) | 16 |
| Number of Ports | 2 |
| Timing Type | Asynchronous |
| Max. Access Time (ns) | 25 |
| Minimum Operating Supply Voltage (V) | 4.5 |
| Typical Operating Supply Voltage (V) | 5 |
| Maximum Operating Supply Voltage (V) | 5.5 |
| Operating Current (mA) | 130 |
| Minimum Operating Temperature (°C) | -55 |
| Maximum Operating Temperature (°C) | 125 |
| Supplier Temperature Grade | Military |
| Standard Package Name | DIP |
| Pin Count | 28 |
| Supplier Package | CDIP |
| Mounting | Through Hole |
| Package Height | 3.56(Max) |
| Package Length | 37.72(Max) |
| Package Width | 7.87(Max) |
| PCB changed | 28 |
| Lead Shape | Through Hole |
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