Datasheet Details
| Part number | TN87C54 |
|---|---|
| Manufacturer | Intel Corporation |
| File Size | 290.64 KB |
| Description | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM |
| Datasheet |
 TN87C54 Datasheet
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| Part number | TN87C54 |
|---|---|
| Manufacturer | Intel Corporation |
| File Size | 290.64 KB |
| Description | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM |
| Datasheet |
TN87C54 Datasheet
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VCC Supply voltage VSS Circuit ground VSS1 Secondary ground (in PLCC only) Provided to reduce ground bounce and improve power supply by-passing NOTE This pin is not a substitute for the VSS pin (pin 22) 4 Port 1 receives the low-order address bytes during EPROM programming and verifying Port 2 Port 2 is an 8-bit bidirectional I O port with internal pullups The Port 2 output buffers can drive LS TTL inputs Port 2 pins that have 1’s written to them are pulled high by the internal pullups and in
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