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HD74HC245

Hitachi Semiconductor
Part Number HD74HC245
Manufacturer Hitachi Semiconductor
Description Octal Bus Transceivers (with 3-state outputs)
Published Mar 23, 2005
Detailed Description HD74HC245 Octal Bus Transceivers (with 3-state outputs) Description Each device has an active low enable input G and a ...
Datasheet PDF File HD74HC245 PDF File

HD74HC245
HD74HC245

Overview
HD74HC245 Octal Bus Transceivers (with 3-state outputs) Description Each device has an active low enable input G and a direction control input, DIR.
When DIR is high, data flows from the A inputs to the B outputs.
When DIR is low, data flows from the B inputs to the A outputs.
The HD74HC245 transfers true data from one bus to the other.
This device does not have schmitt trigger inputs.
Features • • • • • High Speed Operation: tpd = 8 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Enable G L L H H : L : X : high level low level irrelevant Direction Control DIR L H X Operation B data to A bus A data to B bus Isolation HD74HC245 Pin Arrangement DIR A1 A2 A3 A4 A5 A6 A7 A8 GND 1 2 3 4 5 6 7 8 9 10 (Top view) 20 19 18 17 16 15 14 13 12 11 VCC Enable G B1 B2 B3 B4 B5 B6 B7 B8 Absolute Maximum Ratings Item Supply voltag...


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