CD74HC640MG4 datasheet(2/12 Pages) TI

Teilenummer	CD74HC640MG4

Bauteilbeschribung	High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting

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Hersteller	TI [Texas Instruments]

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Functional Diagram

OUTPUT ENABLE AND

DIRECTION-SELECT LOGIC

A0

A7

OE

DIR

B0

B7

A1

THRU

A6

B1

THRU

B6

VCC = 20

GND = 10

TRUTH TABLE

CONTROL INPUTS

DATA PORT STATUS

OE

DIR

An

Bn

LL

OI

HH

Z

HL

Z

LH

I

O

To prevent excess currents in the High-Z modes all I/O terminals

should be terminated with 1k

Ω to 1MΩ resistors.

H = High Level

L = Low Level

I = Input

O = Output (Inversion of Input Level)

Z = High Impedance

CD54HC640, CD74HC640, CD54HCT640, CD74HCT640

Ähnliche Beschreibung - CD74HC640MG4

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Texas Instruments	CD54HCT640	268Kb / 11P	[Old version datasheet] High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
	CD74HC640	37Kb / 8P	[Old version datasheet] High Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
	CD54HC245	853Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD54HC245	37Kb / 7P	[Old version datasheet] High Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD54HC245	261Kb / 12P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD74HC652	139Kb / 13P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State
	CD74HC646	327Kb / 14P	[Old version datasheet] High-Speed CMOS Logic Octal Bus Transceiver/Register, Three-State
	CD74HC652	72Kb / 12P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State
	CD54AC245	437Kb / 16P	[Old version datasheet] Octal-Bus Transceiver Three-State, Non-Inverting
	CD74AC245	38Kb / 8P	[Old version datasheet] Octal-Bus Transceiver, Three-State, Non-Inverting

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