sn74161a ETC-unknow, sn74161a Datasheet - Page 6

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

’LS163 Switching Characteristics
at V
Note 1 The propagation delay clear to output is measured from the clock input transition
Logic Diagram
Symbol
t
t
t
t
t
PLH
PHL
PLH
PHL
PHL
CC
e
5V and T
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
High to Low Level Output
The LS161A is similar however the clear buffer is connected directly to the flip flops
A
e
Parameter
25 C (See Section 1 for Test Waveforms and Output Load) (Continued)
Clock to Any Q
Clock to Any Q
Clear to Any Q
From (Input)
To (Output)
Ripple Carry
Ripple Carry
Enable T to
Enable T to
(Load Low)
(Load Low)
(Note 1)
LS163A
6
Min
C
L
e
15 pF
Max
24
27
14
15
28
R
L
e
2 k
Min
C
L
e
50 pF
Max
30
38
27
27
45
TL F 6397 – 2
Units
ns
ns
ns
ns
ns