74LCX373(2004) データシートの表示（PDF） - STMicroelectronics

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74LCX373
(Rev.:2004)

OCTAL D-TYPE LATCH NON-INVERTING (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

STMicroelectronics 

74LCX373

Figure 4: Test Circuit

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

TEST

SWITCH

Open

6V

GND

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

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Figure 5: Waveform - LE To Qn Propagation Delays, LE Minimum Pulse Width, Dn To LE Setup

And Hold Times (f=1MHz; 50% duty cycle)

6/13

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