74AC161 STMICROELECTRONICS [STMicroelectronics], 74AC161 Datasheet - Page 7

• Manufacturer Part Number: 74AC161
• Description: SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TEST CIRCUIT
C
R
R
WAVEFORM 1: PROPAGATION DELAYS, COUNT MODE (f=1MHz; 50% duty cycle)
L
L
T
= 50 pF or equivalent (includes jigand probe capacitance)
= R
= Z
OUT
1
= 500 orequivalent
of pulse generator (typically 50 )
74AC161
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