M74HC374(2001) 查看數據表（PDF） - STMicroelectronics

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M74HC374
(Rev.:2001)

OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING

STMicroelectronics 

M74HC374

TEST CIRCUIT

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

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

R1 = 1KΩ or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

VCC

GND

WAVEFORM 1: CK TO Qn PROPAGATION DELAYS, CK FMAX, Dn TO CK SETUP AND HOLD

TIMES (f=1MHz; 50% duty cycle)

6/11

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