VCH2373APWDH Ver la hoja de datos (PDF) - Philips Electronics
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Fabricante
VCH2373APWDH
Philips Electronics
VCH2373APWDH Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type transparent latch with 5-volt tolerant
inputs/outputs; damping resistor (3-State)
Product specification
74LVC2373A
74LVCH2373A
PIN CONFIGURATION
OE 1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 LE
SV00657
PIN DESCRIPTION
PIN NUMBER SYMBOL
1
OE
2, 5, 6, 9, 12,
15, 16, 19
Q0–Q7
3, 4, 7, 8, 13,
14, 17, 18
D0–D7
10
GND
11
LE
20
VCC
FUNCTION
Output enable input (active LOW)
3-State latch outputs
Data inputs
Ground (0V)
Latch enable input (active HIGH)
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
11
C1
1
EN1
3
1D
4
7
8
13
14
17
18
2
5
6
9
12
15
16
19
SV00659
LOGIC SYMBOL
11
LE
3
D0
Q0
2
4
D1
Q1
5
7
D2
Q2
6
8
D3
Q3
9
13
D4
Q4
12
14
D5
Q5
15
17
D6
Q6
16
18
D7
Q7
19
OE
1
FUNCTIONAL DIAGRAM
SV00658
3 D0
4 D1
7 D2
8 D3
13 D4
14 D5
17 D6
18 D7
LATCH
1 to 8
Q0 2
Q1 5
Q2 6
3–STATE
OUTPUTS
Q3 9
Q4 12
Q5 15
Q6 16
Q7 19
11 LE
1 OE
SV00660
FUNCTION TABLE
OPERATING
MODES
INPUTS
INTERNAL OUTPUTS
OE LE Dn LATCHES Q0 to Q7
Enable and
read register
L
H
L
L
L
(transparent
L
H
H
H
H
mode)
Latch and read L
L
I
L
L
register
L
L
h
H
H
Latch register
and disable
outputs
H
L
I
H
L
h
L
H
Z
Z
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW
LE transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the HIGH-to-LOW
LE transition
X = Don’t care
Z = High impedance OFF-state
1997 Mar 12
3
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