The M27C256B-70B6 is a 28-pin industrial OTP ROM IC from STMicroelectronics. It operates within a temperature range of -40°C to 85°C and has a maximum supply voltage of 5.5V. The device has a maximum supply current of 30μA and a maximum standby current of 0.1μA. It features a 32,000-word code and a 32,768-word capacity, with a maximum access time of 70ns. The IC is available in a lead-free, plastic DIP-28 package.
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Stmicroelectronics M27C256B-70B6 technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 28 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T28 |
| Width | 15.24 |
| Length | 36.83 |
| Pin Count | 28 |
| Number of Functions | 1 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Supply Current-Max | 0.03 |
| Number of Words | 32768 |
| Number of Words Code | 32000 |
| Memory IC Type | OTP ROM |
| Parallel/Serial | PARALLEL |
| Standby Current-Max | 0.0001 |
| Access Time-Max | 70 |
| I/O Type | COMMON |
| RoHS | Yes |
| Eccn Code | EAR99 |
| HTS Code | 8542.32.00.71 |
| REACH | Compliant |
| Military Spec | False |
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