74lvt273 NXP Semiconductors, 74lvt273 Datasheet - Page 3

• Manufacturer Part Number: 74lvt273
• Description: 3.3v Octal D Flip-flop
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL (IEEE/IEC)
PIN DESCRIPTION
LOGIC DIAGRAM
1998 Feb 19
3.3V Octal D flip-flop
MR
CP
1
11
3, 4, 7, 8, 13, 14, 17, 18
2, 5, 6, 9, 12, 15, 16, 19
PIN NUMBER
D0
17
18
11
13
14
1
3
4
7
8
3
10
20
11
D
1
CP
R
D
Q
1D
R
Q0
C1
2
D1
4
SV00019
D
CP
R
D
Q
Q1
12
15
16
19
5
2
5
6
9
D2
7
D
CP
R
D
SYMBOL
Q
Q0 – Q7
D0 – D7
GND
V
MR
CP
Q2
CC
6
D3
8
D
CP
R
3
D
Q
H = High voltage level
h = High voltage level one set-up time prior to the Low-to-High
L = Low voltage level
l
X = Don’t care
Q
FUNCTION TABLE
Q3
0
9
MR
clock transition
= Low voltage level one set-up time prior to the Low-to-High
clock transition
= Low-to-High clock transition
= Output as it was
H
H
H
L
Clock pulse input (active rising edge)
Data inputs
Data outputs
Master Reset input (active-Low)
Ground (0V)
Positive supply voltage
D4
13
D
INPUTS
CP
R
D
CP
X
Q
L
Q4
12
D5
D
X
X
h
NAME AND FUNCTION
l
14
n
D
CP
R
D
Q
OUTPUTS
Q5
Q0 – Q7
15
Q
H
L
L
0
D6
17
D
CP
R
D
Q
Reset (clear)
Load “1”
Load “0”
Retain state
Q6
74LVT273
Product specification
16
OPERATING
OPERATING
D7
MODE
18
D
CP
R
D
Q
SV00020
Q7
19