The UPD424258V-80 is a commercial-grade static column DRAM memory IC with 262144 words of memory and 256000 words of code. It operates on a nominal supply voltage of 5V, with a maximum rating of 5.5V and minimum rating of 4.5V. The device is designed to function within a temperature range of 0 to 70°C. It features a zig-zag terminal position and a plastic ZIP-20 package.
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| Max Operating Temperature | 70 |
| Number of Terminals | 20 |
| Min Operating Temperature | 0 |
| Terminal Position | ZIG-ZAG |
| Width | 2.8 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Number of Words | 262144 |
| Number of Words Code | 256000 |
| Memory IC Type | STATIC COLUMN DRAM |
| Number of Ports | 1 |
| Access Time-Max | 80 |
| REACH | unknown |
| Military Spec | False |
