M74HCT245 datasheet(1/9 Pages) STMICROELECTRONICS

部件名	M74HCT245

功能描述	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)

PDF	9 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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August 2001

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HIGH SPEED:

tPD = 13ns (TYP.) at VCC = 4.5V

s

LOW POWER DISSIPATION:

ICC = 4µA(MAX.) at TA=25°C

s

COMPATIBLE WITH TTL OUTPUTS :

VIH = 2V (MIN.) VIL = 0.8V (MAX)

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 6mA (MIN)

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BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

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PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 245

DESCRIPTION

The M74HCT245 is an advanced high-speed

CMOS OCTAL BUS TRANSCEIVER (3-STATE)

fabricated with silicon gate C2MOS technology.

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.

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.

M74HCT245

OCTAL BUS TRANSCEIVER

WITH 3 STATE OUTPUTS (NON INVERTED)

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE

TUBE

T & R

DIP

M74HCT245B1R

SOP

M74HCT245M1R

M74HCT245RM13TR

TSSOP

M74HCT245TTR

TSSOP

DIP

SOP

类似零件编号 - M74HCT245

制造商	部件名	数据表	功能描述
STMicroelectronics	M74HCT245	264Kb / 11P	OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING Oct-1993
	M74HCT245B1R	264Kb / 11P	OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING Oct-1993
	M74HCT245C1R	264Kb / 11P	OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING Oct-1993
	M74HCT245M1R	264Kb / 11P	OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING Oct-1993

More results

类似说明 - M74HCT245

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