tc7mh161fk TOSHIBA Semiconductor CORPORATION, tc7mh161fk Datasheet - Page 2

• Manufacturer Part Number: tc7mh161fk
• Description: Synchronous Presettable 4-bit Binary Counter
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
IEC Logic Symbol
Truth Table
X: Don’t care
A, B, C, D: Logic level of data inputs
Carry: CARRY = ENT･QA･QB･QC･QD
CLR
H
H
H
H
H
L
LOAD
CLR
CLR
GND
ENP
ENP
ENT
LD
X
H
H
H
X
CK
CK
L
TC7MH161FK
C
D
C
D
A
B
A
B
(10)
Inputs
(1)
(9)
(7)
(2)
(3)
(4)
(5)
(6)
ENP
1
2
3
4
5
6
7
8
X
X
X
H
X
L
(top view)
ENT
CT = 0
M1
M2
G3
G4
1, 5D
H
X
X
X
X
L
TC7MH161FK
C5/2, 3, 4 +
CTRDIV 16
CK
X
[1]
[2]
[4]
[8]
3CT = 15
CLR
H
H
H
H
L
X
16
15
14
13
12
11
10
9
LD
X
H
H
H
X
L
TC7MH163FK
V
CARRY OUTPUT
QA
QB
QC
QD
ENT
LOAD
(15)
(14)
(13)
(12)
(11)
CC
Inputs
ENP
CARRY
OUTPUT
QA
QB
QC
QD
X
X
X
H
X
L
ENT
H
X
X
X
X
L
2
CK
LOAD
CLR
ENP
ENT
CK
C
D
A
B
QA
L
A
(10)
(1)
(9)
(7)
(2)
(3)
(4)
(5)
(6)
No change
No change
No change
QB
Count up
B
L
Outputs
5CT = 0
M1
M2
G3
G4
1, 5D
TC7MH163FK
C5/2, 3, 4 +
CTRDIV 16
QC
C
L
[1]
[2]
[4]
[8]
3CT = 15
QD
D
L
TC7MH161,163FK
Reset to “0”
Reset data 。
No count
No count
Count
No count
(15)
(14)
(13)
(12)
(11)
Function
CARRY
OUTPUT
QA
QB
QC
QD
2007-10-19