TC74AC273FT TOSHIBA [Toshiba Semiconductor], TC74AC273FT Datasheet - Page 2

• Manufacturer Part Number: TC74AC273FT
• Description: CMOS Digital Integrated Circuit Silicon Monolithic Octal D-Type Flip Flop with Clear
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

Pin Assignment
Truth Table
System Diagram
CK
CLR
X: Don’t care
CLR
H
H
H
L
1
11
CLR
GND
Q1
Q2
Q3
Q4
D1
D2
D3
D4
Inputs
D
H
X
X
L
3
10
D1
1
2
3
4
5
6
7
8
9
D
CK
CK
X
R
(top view)
Q
2
Q1
4
D2
Output
Q
Q
H
L
L
D
CK
n
R
Q
5
20
19
18
17
16
15
14
13
12
11
Q2
7
No Change
D3
Function
V
Q8
D8
D7
Q7
Q6
D6
D5
Q5
CK
Clear
CC
―
―
D
CK
R
Q
6
Q3
8
D4
D
CK
2
R
Q
9
Q4
13
IEC Logic Symbol
D5
CLR
CK
D1
D2
D3
D4
D5
D6
D7
D8
D
CK
R
(11)
(13)
(14)
(17)
(18)
Q
(1)
(3)
(4)
(7)
(8)
12
Q5
14
D6
R
1D
C1
D
CK
R
Q
15
TC74AC273P/F/FT
Q6
17
D7
D
CK
R
Q
(12)
(15)
(16)
(19)
16
(2)
(5)
(6)
(9)
Q7
18
2007-10-01
D8
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
D
CK
R
Q
19
Q8