m74hct640 STMicroelectronics, m74hct640 Datasheet

m74hct640

Manufacturer Part Number

m74hct640

Description

Ic Transcvr Tri-st 8bit 20dip

Manufacturer

STMicroelectronics

Datasheet

1.M74HCT640.pdf (11 pages)

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Company:

BOSTOCK HK LIMITED

Part Number:

m74hct640RM13TR

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DESCRIPTION

The M74HCT640 is an advanced high-speed

CMOS OCTAL BUS TRANSCEIVER (3-STATE)

fabricated with silicon gate C

This IC is intended for two-way asynchronous

communication between data buses, and the

direction of data transmission is determined by

DIR input. The enable input G can be used to

disable the device so that the buses are effectively

isolated.

PIN CONNECTION AND IEC LOGIC SYMBOLS

August 2001

HIGH SPEED:

LOW POWER DISSIPATION:

COMPATIBLE WITH TTL OUTPUTS :

SYMMETRICAL OUTPUT IMPEDANCE:

BALANCED PROPAGATION DELAYS:

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 640

PLH

= 13ns (TYP.) at V

= 4 A(MAX.) at T

= 2V (MIN.) V

| = I

PHL

= 6mA (MIN)

= 0.8V (MAX)

=25°C

= 4.5V

MOS technology.

WITH 3 STATE OUTPUTS (INVERTED)

ORDER CODES

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

All floating bus terminals during High Z State must

be held HIGH or LOW.

PACKAGE

OCTAL BUS TRANSCEIVER

TSSOP

SOP

DIP

M74HCT640M1R M74HCT640RM13TR

M74HCT640B1R

TUBE

M74HCT640

SOP

M74HCT640TTR

T & R

TSSOP

1/11

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