The ACT1284 devices are designed for asynchronous two-way Communication between data buses. The control function minimizes external Timing requirements. The devices allow data transmission in either the A-to-B or the B-to-A direction for bits 1, 2, 3, and 4, depending on the Logic level at the direction-control (DIR) input. Bits 5, 6, and 7, however, always transmit in the A-to-B direction. The output drive for each mode is determined by the high-drive (HD) control pin. When HD is high, the high drive is delivered by the totem-pole configuration, and when HD is low, the outputs are open drain. This meets the drive requirements as specified in the IEEE 1284-I (level-1 type) and the IEEE 1284-II (level-2 type) parallel peripheral-interface specification By Texas Instruments
SN54ACT1284 's PackagesSN54ACT1284 's pdf datasheet

SN54ACT1284 Pinout, Pinouts
SN54ACT1284 pinout,Pin out
This is one package pinout of SN54ACT1284,If you need more pinouts please download SN54ACT1284's pdf datasheet.

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