74HCT1284 Parallel Printer Interface Transceiver/buffer

The 74HCT1284 parallel Interface chip is designed to provide an asynchronous, 4-bit, bi-directional, parallel printer Interface for personal computers. Three additional lines are included to provide handshaking signals between the host and the peripheral. The part is designed to match IEEE 1284 standard.The 4 transceiver pins (A/B 1-4) allow data transmission from the A bus to the B bus, or from the B bus to the A bus, depending on the state of the direction pin DIR.The B bus and the Y5-Y7 lines have totem pole or open drain style outputs depending on the state of the high drive enable pin HD. The A bus only has totem pole style outputs. All inputs are TTL compatible with at least 400mV of input hysteresis at VCC = 5.0V.
By NXP Semiconductors
74HCT1284 's Packages74HCT1284 's pdf datasheet



74HCT1284 Pinout, Pinouts
74HCT1284 pinout,Pin out
This is one package pinout of 74HCT1284,If you need more pinouts please download 74HCT1284's pdf datasheet.

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