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74HC161D,653 数据手册 - NXP(恩智浦)
制造商:
NXP(恩智浦)
分类:
逻辑控制器
封装:
SOIC-16
描述:
NXP 74HC161D,653 芯片, 二进制计数器, 4位, 44MHZ, SOIC-16
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74HC161D,653数据手册
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SCLS297D − JANUARY 1996 − REVISED SEPTEMBER 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic diagram (positive logic)
1
9
10
7
3
15
14
CLR
LOAD
ENT
ENP
CLK
A
RCO
Q
A
†
For simplicity, routing of complementary signals LD
and CK is not shown on this overall logic diagram. The uses of these signals are shown
on the logic diagram of the D/T flip-flops.
Pin numbers shown are for the D, J, N, NS, PW, and W packages.
M1
G2
G4
3D
4R
1
, 2T/1C3
4
13
B
Q
B
M1
G2
G4
3D
4R
1
, 2T/1C3
5
12
C
Q
C
M1
G2
G4
3D
4R
1
, 2T/1C3
6
11
D
Q
D
M1
G2
G4
3D
4R
1
, 2T/1C3
2
LD
†
CK
†
CK
R
LD
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