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HD74LS163ARPEL 데이터 시트보기 (PDF) - Renesas Electronics
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HD74LS163ARPEL
Synchronous 4-bit Binary Counter (direct clear)
Renesas Electronics
HD74LS163ARPEL Datasheet PDF : 12 Pages
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HD74LS163A
Timing Method
Clock
Clear
Load
Data
Outputs
A to D
Enable
P or T
t
w (CK)
1.3V
1.3V
t
su
t
h
1.3V
1.3V
1.3V
t
su
t
h
3V
1.3V
0V
3V
0V
3V
1.3V
1.3V
0V
t
su
t
h
3V
1.3V
1.3V
t
su
0V
t
h
3V
1.3V 1.3V
0V
Testing Method
Test Circuit
4.5V
P.G.
Z
out
= 50
Ω
Input
P.G.
Z
out
= 50
Ω
Input
V
CC
Q
A
Load
CK
Q
A
A
B
C
Q
B
D
Q
C
P
T
Q
D
Ripple
CLR
Carry
R
L
Load circuit 1
C
L
Q
B
Same as Load Circuit 1.
Q
C
Same as Load Circuit 1.
Q
D
Same as Load Circuit 1.
Ripple
Carry
Same as Load Circuit 1.
Notes: 1. C
L
includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Rev.2.00, Feb.18.2005, page 5 of 11
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