The AM79C940KC is a 100-pin quad serial communication controller from AMD, designed for use in commercial temperature environments. It operates from a nominal supply voltage of 5V, with a minimum of 4.75V and a maximum of 5.25V. The device can handle a maximum supply current of 75mA. The controller supports a maximum clock frequency of 25MHz and features a 16-bit external data bus and a 5-bit address bus. It is packaged in a 80-pin TQFP package.
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AMD AM79C940KC technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 100 |
| Min Operating Temperature | 0 |
| Terminal Position | QUAD |
| JEDEC Package Code | R-PQFP-G100 |
| Width | 14 |
| Length | 20 |
| Pin Count | 100 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 75 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.75 |
| Supply Voltage-Max | 5.25 |
| Clock Frequency-Max | 25 |
| uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, LAN |
| Number of I/O Lines | 0 |
| External Data Bus Width | 16 |
| Address Bus Width | 5 |
| HTS Code | 8542.31.00.01 |
| REACH | Compliant |
| Military Spec | False |
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