74F640 Octal Bus Transceiver Inverting (3-State) IC (74640) DIP-20 Package
The 74F640 is an octal transceiver featuring inverting 3-State bus compatible outputs in both transmit and receive directions. The B port outputs are capable of sinking 64mA and sourcing 15mA, providing very good capacitive drive characteristics. The device features an Output Enable (OE) input for easy cascading and Transmit/Receiver (T/R) input for direction control. The 3-State outputs, B0?B7, have been designed to prevent output bus loading if the power is removed from the device
SKU:
RW-02709
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The 74F640 is an octal transceiver featuring inverting 3-State bus compatible outputs in both transmit and receive directions. The B port outputs are capable of sinking 64mA and sourcing 15mA, providing very good capacitive drive characteristics. The device features an Output Enable (OE) input for easy cascading and Transmit/Receiver (T/R) input for direction control. The 3-State outputs, B0?B7, have been designed to prevent output bus loading if the power is removed from the device
Features :-
High-impedance NPN base inputs for reduced loading (70?A in High and Low states)
Ideal for applications which require high-output drive and minimal bus loading
Inverting version of 74F245
Octal bidirectional bus interface
3-State outputs sink 64mA and source 15mA
Specifications :-
Supply voltage : 4.5V – 5.5V
High-level input voltage : 2.0V
Low-level input voltage : 0.8V
Input clamp current : -18mA
High-level output current : -3mA
Low-level output current : 24mA
Operating free-air temperature : 70?C
Package Includes :-
1 X 74F640 Octal Bus Transceiver Inverting (3-State) IC (74623) DIP-20 Package
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