M54HC244D1 datasheet(6/10 Pages) STMICROELECTRONICS

Part #	M54HC244D1

Description	RAD-HARD OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M54HC244

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TEST CIRCUIT

CL = 50pF/150pF or equivalent (includes jig and probe capacitance)

R1 =1KΩ or equivalent

RT =ZOUT of pulse generator (typically 50Ω)

WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)

TEST

SWITCH

tPLH,tPHL

Open

tPZL,tPLZ

VCC

tPZH,tPHZ

GND

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