tc74vhc273f TOSHIBA Semiconductor CORPORATION, tc74vhc273f Datasheet - Page 2

• Manufacturer Part Number: tc74vhc273f
• Description: Octal D-type Flip-flop With Clear
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
Truth Table
System Diagram
CK
CLR
CLR
GND 10
X: Don’t care
CLR
Q1
Q2
Q3
Q4
D1
D2
D3
D4
H
H
H
L
11
1
Inputs
1
2
3
4
5
6
7
8
9
D
H
X
X
L
3
D1
D
CK
(top view)
CK
X
R
Q
2
Q1
4
Output
D2
Q
Q
H
L
L
D
CK
n
20
19
18
17
16
15
14
13
12
11
R
Q
5
D5
CK
V
Q8
D8
D7
Q7
Q6
D6
Q5
Q2
CC
No Change
7
D3
Function
Clear
D
CK
―
―
R
Q
6
Q3
8
D4
D
CK
2
R
Q
CLR
9
CK
D1
D2
D3
D4
D5
D6
D7
D8
Q4
13
IEC Logic Symbol
D5
(11)
(13)
(14)
(17)
(18)
D
CK
(1)
(3)
(4)
(7)
(8)
R
Q
12
R
1D
C1
Q5
14
D6
D
CK
R
TC74VHC273F/FT/FK
Q
15
17
Q6
D7
D
CK
(12)
(15)
(16)
(19)
(2)
(5)
(6)
(9)
R
Q
16
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q7
18
2007-10-01
D8
D
CK
R
Q
19
Q8