74VHCT574A
TEST CIRCUIT
TEST
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
CL = 15/50 pF or equivalent (includes jig and probe capacitance)
RL = R1 = 1KΩ or equivalent
RT = ZOUT ofpulse generator (typically 50Ω)
S WIT CH
Open
VCC
GND
WAVEFORM 1: PROPAGATION DELAYS, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)
6/10