Details, datasheet, quote on part number: 74F640
Part74F640
CategoryLogic => Transceivers
Description74F640; Octal Bus Transceiver, Inverting (3-State);; Package: SOT146-1 (DIP20), SOT163 (SO20)
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload 74F640 datasheet
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Features, Applications

FEATURES

Ideal for applications which require high-output drive and minimal Inverting version of 74F245 Octal bidirectional bus interface 3-State outputs sink 64mA and source 15mA

DESCRIPTION

The 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, B0­B7, have been designed to prevent output bus loading if the power is removed from the device.

DESCRIPTION 20-pin plastic DIP 20-pin plastic SOL COMMERCIAL RANGE VCC 5V ±10%, Tamb N74F640N N74F640D PKG DWG SOT146-1 SOT163-1

PINS B7 OE T/R - B7 Data inputs Output Enable input (active Low) Transmit/Receive input A port outputs B port outputs DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW 3.0mA/24mA 15mA/64mA

NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
High voltage level Low voltage level Don't care High impedance "off" state

 

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