sn74161a ETC-unknow, sn74161a Datasheet - Page 7

• Manufacturer Part Number: sn74161a
• Description: Synchronous 4-bit Binary Counters
• Manufacturer: ETC-unknow

Parameter Measurement Information
Note A The input pulses are supplied by generators having the following characteristics PRR
Vary PRR to measure f
Note B Outputs Q
Note C V
Note A The input pulses are supplied by generators having the following characteristics PRR
PRR to measure f
Note B Enable P and enable T setup times are measured at t
Note C V
REF
REF
e
e
1 5V
1 3V
MAX
D
and carry are tested at t
MAX
n
a
16
where t
n
is the bit time when all outputs are low
Switching Time Waveforms
Switching Time Waveforms
n
a
0
7
s
s
1 MHz duty cycle
1 MHz duty cycle
s
s
50% Z
50% Z
OUT
OUT
TL F 6397 – 3
TL F 6397 – 4
50
50
t
r s
t
r s
6 ns t
10 ns t
f s
f s
6 ns Vary
10 ns