The UPD42S4280LG5M-A80 is a commercial grade 40-pin fast page DRAM from NEC. It operates at a supply voltage of 3.3V with a maximum voltage of 3.6V and a minimum voltage of 3V. The device has a maximum access time of 80ns and a temperature grade of commercial, with an operating temperature range of 0 to 70 degrees Celsius. The memory IC is packaged in a TSOP2-R package and has a memory capacity of 262144 words with 256000 words of code.
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| Max Operating Temperature | 70 |
| Number of Terminals | 40 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G40 |
| Width | 7.62 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 3.3 |
| Supply Voltage-Max (Vsup) | 3.6 |
| Supply Voltage-Min (Vsup) | 3 |
| Number of Words | 262144 |
| Number of Words Code | 256000 |
| Memory IC Type | FAST PAGE DRAM |
| Number of Ports | 1 |
| Access Time-Max | 80 |
| REACH | unknown |
| Military Spec | False |
