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HCF4502B_02 Datasheet, PDF (5/9 Pages) STMicroelectronics – STROBED HEX INVERTER/BUFFER
TEST CIRCUIT
HCF4502B
TEST
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
CL = 50pF or equivalent (includes jig and probe capacitance)
RL = 200KΩ
RT = ZOUT of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)
SWITCH
Open
VDD
VSS
5/9