74lvc2373a NXP Semiconductors, 74lvc2373a Datasheet - Page 3

• Manufacturer Part Number: 74lvc2373a
• Description: Octal D-type Transparent Latch With 5-volt Tolerant Inputs/outputs; Damping Resistor 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATION
PIN DESCRIPTION
LOGIC SYMBOL (IEEE/IEC)
1997 Mar 12
PIN NUMBER
2, 5, 6, 9, 12,
3, 4, 7, 8, 13,
Octal D-type transparent latch with 5-volt tolerant
inputs/outputs; damping resistor (3-State)
15, 16, 19
14, 17, 18
10
20
11
1
GND
13
14
17
18
11
SYMBOL
1
3
4
7
8
OE
Q0
D0
D1
Q1
Q2
D2
D3
Q3
Q0–Q7
D0–D7
GND
V
OE
LE
CC
10
3
6
8
9
2
4
5
7
1
C1
EN1
1D
Output enable input (active LOW)
3-State latch outputs
Data inputs
Ground (0V)
Latch enable input (active HIGH)
Positive supply voltage
18
20
19
17
16
15
14
13
12
11
FUNCTION
V
Q7
D7
D6
Q6
Q5
D5
D4
Q4
LE
CC
2
5
6
9
12
15
16
19
SV00659
SV00657
3
LOGIC SYMBOL
FUNCTIONAL DIAGRAM
FUNCTION TABLE
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW
L = LOW voltage level
I
X = Don’t care
Z = High impedance OFF-state
OPERATING
MODES
Enable and
read register
(transparent
mode)
Latch and read
register
Latch register
and disable
outputs
= LOW voltage level one set-up time prior to the HIGH-to-LOW
13
14
17
18
11
LE transition
LE transition
3
4
7
8
1
D5
D6
OE
D1
LE
D0
D2
D3
D4
D7
13
14
17
18
3
4
7
8
OE
H
H
L
L
L
L
D0
D1
D2
D3
D4
D5
D6
D7
INPUTS
LE
LATCH
H
H
L
L
L
L
1 to 8
OE
LE
11
1
Dn
H
L
h
h
I
I
74LVCH2373A
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
74LVC2373A
INTERNAL OUTPUTS
LATCHES
OUTPUTS
3–STATE
H
H
H
L
L
L
Product specification
2
5
6
9
12
15
16
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q0 to Q7
SV00658
SV00660
H
H
Z
Z
2
5
6
9
12
15
16
19
L
L