|
CD74AC161ME4 Datasheet, PDF (3/18 Pages) Texas Instruments – 4-BIT SYNCHRONOUS BINARY COUNTERS | |||
|
◁ |
logic diagram (positive logic)
LOAD 9
ENT 10
ENP 7
2
CLK
1
CLR
CD54AC161, CD74AC161
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS239C â SEPTEMBER 1998 â REVISED MARCH 2003
LDâ
CKâ
CK LD
R
15 RCO
A3
B4
M1
G2
1, 2T/1C3
G4
3D
4R
M1
G2
1, 2T/1C3
G4
3D
4R
14
QA
13
QB
C5
M1
G2
1, 2T/1C3
G4
3D
4R
12
QC
6
D
M1
G2
1, 2T/1C3
G4
3D
4R
11
QD
â 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.
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3
|
▷ |