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74ACT138

Part Number	74ACT138
Manufacturer	STMicroelectronics
Description	3 TO 8 LINE DECODER INVERTING
Published	Apr 3, 2005
Detailed Description	74ACT1284 IEEE 1284 Transceiver June 1996 Revised November 1999 74ACT1284 IEEE 1284 Transceiver General Description Th...
Datasheet	74ACT138 PDF File

Overview

74ACT1284 IEEE 1284 Transceiver June 1996 Revised November 1999 74ACT1284 IEEE 1284 Transceiver General Description The 74ACT1284 contains four non-inverting bidirectional buffers and three non-inverting buffers with open Drain outputs and high drive capability on the B Ports.
It is intended to provide a standard signaling method for a bi-direction parallel peripheral in an Extended Capabilities Port mode (ECP).
The HD (active HIGH) input pin enables the B Ports to switch from open Drain to a high drive totem pole output, capable of sourcing 14 mA on all seven buffers.
The DIR input determines the direction of data flow on the bidirectional buffers.
DIR (active HIGH) enables data flow from...

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