tc74lcx273fw TOSHIBA Semiconductor CORPORATION, tc74lcx273fw Datasheet - Page 2

• Manufacturer Part Number: tc74lcx273fw
• Description: Low-voltage Octal D-type Flip-flop With Clear With 5-v Tolerant Inputs And Outputs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
Truth Table
System Diagram
CK
CLR
X: Don’t care
11
1
CLR
H
H
H
L
CLR
3
GND
D1
Q1
Q2
Q3
Q4
D1
D2
D3
D4
D
CK Q
Inputs
R
10
D
X
H
X
L
1
2
3
4
5
6
7
8
9
(top view)
2
Q1
4
D2
D
CK Q
R
CK
X
5
Q2
7
D3
D
CK Q
20
19
18
17
16
15
14
13
12
11
Outputs
R
Qn
Q
H
L
L
V
Q8
D8
D7
Q7
Q6
D6
D5
Q5
CK
CC
6
Q3
8
D4
D
CK Q
No change
Function
R
2
Clear
¾
¾
9
Q4
13
D5
CLR
IEC Logic Symbol
CK
D0
D1
D2
D3
D4
D5
D6
D7
D
CK Q
R
(11)
(13)
(14)
(17)
(18)
(1)
(3)
(4)
(7)
(8)
12
Q5
14
D6
R
1D
D
CK Q
C1
R
TC74LCX273F/FW/FT
15
Q6
17
D7
D
CK Q
R
(12)
(15)
(16)
(19)
16
(2)
(5)
(6)
(9)
Q7
18
2002-01-11
D8
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
D
CK Q
R
19
Q8