74LCX240M Datasheet, PDF (5/9 Pages) STMicroelectronics – LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE INV) WITH 5V TOLERANT INPUTS AND OUTPUTS

TEST CIRCUIT
74LCX240
TEST
t_PLH, t_PHL
t_PZL, t_PLZ
t_PZH, t_PHZ
C_L = 50 pF or equivalent (includes jig and probe capacitance)
R_L = R1 = 500Ω or equivalent
R_T = Z_OUT of pulse generator (typically 50Ω)
WAVEFORM 1 : PROPAGATION DELAYS (f=1MHz; 50% duty cycle)
SWITCH
Open
6V
GND
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