m74hc540 STMicroelectronics, m74hc540 Datasheet - Page 5

• Manufacturer Part Number: m74hc540
• Description: Octal Bus Buffer With 3 State Outputs Hc540 Inverted - Hc541 Non Inverted
• Manufacturer: STMicroelectronics

TEST CIRCUIT
C
R
R
WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)
t
t
t
PLH
PZL
PZH
L
1
T
= 50pF/150pF or equivalent (includes jig and probe capacitance)
= 1K or equivalent
= Z
, t
, t
, t
OUT
PLZ
PHL
PHZ
of pulse generator (typically 50 )
TEST
SWITCH
Open
GND
V
CC
M74HC540
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