74LVT574 PHILIPS [NXP Semiconductors], 74LVT574 Datasheet - Page 3

• Manufacturer Part Number: 74LVT574
• Description: 3.3V Octal D-type flip-flop 3-State
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
LOGIC SYMBOL (IEEE/IEC)
FUNCTION TABLE
H = High voltage level
h = High voltage level one set-up time prior to the Low-to-High clock transition
L = Low voltage level
l
NC= No change
X = Don’t care
Z = High impedance “off” state
LOGIC DIAGRAM
1998 Feb 19
3.3V Octal D-type flip-flop (3-State)
OE
CP
= Low voltage level one set-up time prior to the Low-to-High clock transition
= Low-to-High clock transition
= not a Low-to-High clock transition
OE
H
L
L
L
11
1
INPUTS
D0
CP
2
11
X
1
2
3
4
5
6
7
8
9
D
CP Q
1D
EN
C1
Q0
19
D1
3
Dn
X
X
h
l
D
CP Q
SV00033
Q1
19
18
17
16
15
14
13
12
18
D2
4
INTERNAL
REGISTER
D
CP Q
NC
NC
H
L
Q2
17
D3
5
D
CP Q
3
PIN DESCRIPTION
Q3
OUTPUTS
2, 3, 4, 5, 6, 7, 8, 9
Q0 – Q7
19, 18, 17, 16, 15,
16
PIN NUMBER
NC
H
Z
D4
L
14, 13, 12
6
D
CP Q
11
10
20
1
Q4
15
D5
Load and read register
Hold
Disable outputs
7
D
CP Q
SYMBOL
Q0-Q7
D0-D7
GND
V
OE
CP
CC
Q5
14
D6
OPERATING
8
MODE
D
CP Q
Output enable input
(active-low)
Data inputs
Data outputs
Clock pulse input (active
rising edge)
Ground (0V)
Positive supply voltage
Q6
FUNCTION
74LVT574
Product specification
13
D7
9
D
CP Q
SV00043
Q7
12