The UPD71055C-10 is a 40-pin dual-port I/O expander from NEC, designed for industrial temperature operation. It features a parallel IO port and printer interface, with 24 I/O lines and a 3-port configuration. The device operates within a supply voltage range of 4.5 to 5.5V and has a maximum operating temperature of 85 degrees Celsius. The UPD71055C-10 is packaged in a PDIP-40 package, suitable for through-hole mounting.
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NEC UPD71055C-10 technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 40 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T40 |
| Width | 15.24 |
| Pin Count | 40 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Number of Ports | 3 |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, PRINTER INTERFACE |
| Number of I/O Lines | 24 |
| Eccn Code | EAR99 |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
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