The HM1-6642B/883 is a 24-pin dual-in-line OTP ROM IC from Renesas, operating within a temperature range of -55 to 125 degrees Celsius. It features a supply voltage of 4.5 to 5.5 volts and an access time of up to 140 nanoseconds. The device is packaged in a DIP package and meets the MIL-STD-883 screening level. It has 512 words of memory and is designed for parallel access.
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| Max Operating Temperature | 125 |
| Number of Terminals | 24 |
| Min Operating Temperature | -55 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-CDIP-T24 |
| Width | 15.24 |
| Pin Count | 24 |
| Number of Functions | 1 |
| Temperature Grade | MILITARY |
| Supply Voltage-Nom (Vsup) | 4.5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Number of Words | 512 |
| Number of Words Code | 512 |
| Memory IC Type | OTP ROM |
| Parallel/Serial | PARALLEL |
| Access Time-Max | 140 |
| Screening Level | MIL-STD-883 |
| RoHS | No |
| Eccn Code | EAR99 |
| HTS Code | 8542.32.00.71 |
| REACH | not_compliant |
| Military Spec | True |
