The MSM82C55A-2RS is a 40-pin dual-port parallel IO port IC from OKI Electric Industry. It operates within an industrial temperature range of -40°C to 85°C and has a nominal supply voltage of 5V. The device has a maximum supply current of 8mA and a maximum clock frequency of 8MHz. It features 24 I/O lines and an 8-bit external data bus width. The MSM82C55A-2RS is packaged in a 0.600 inch, 2.54 mm pitch, plastic DIP-40 package.
OKI Electric Industry MSM82C55A-2RS 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 |
| Length | 51.98 |
| Pin Count | 40 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 8 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 8 |
| Number of Ports | 3 |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE |
| Number of I/O Lines | 24 |
| External Data Bus Width | 8 |
| RoHS | Yes |
| Eccn Code | EAR99 |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
No datasheet is available for this part.