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Hitachi Power Semiconductor Device Electronic Components Datasheet

HD74LVC16373A Datasheet

16-bit D-type Transparent Latches with 3-state Outputs

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HD74LVC16373A
16-bit D-type Transparent Latches with 3-state Outputs
ADE-205-121B(Z)
3rd Edition
December 1996
Description
The HD74LVC16373A has sixteen D type latches with three state outputs in a 48 pin package. When the
latch enable input is high, the Q outputs will follow the D inputs. When the latch enable goes low, data at
the D inputs will be retained at the outputs until latch enable returns high again. When a high logic level is
applied to the output control input (1G, 2G), all outputs go to a high impedance state, regardless of what
signals are present at the other inputs and the state of the storage elements. Low voltage and high speed
operation is suitable at the battery drive product (note type personal computer) and low power consumption
extends the life of a battery for long time operation.
Features
VCC = 2.0 V to 5.5 V
All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
All outputs VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state)
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
High output current ±24 mA (@VCC = 3.0 V to 5.5 V)
Function Table
Inputs
G LE D Output Q
HX XZ
LHLL
L H HH
L L X Q0
H: High level
L: Low level
X: Immaterial
Z: High impedance
Q0: Level of Q before the indicated steady input conditions were established.


Hitachi Power Semiconductor Device Electronic Components Datasheet

HD74LVC16373A Datasheet

16-bit D-type Transparent Latches with 3-state Outputs

No Preview Available !

HD74LVC16373A
Pin Arrangement
1G 1
1Q1 2
1Q2 3
GND 4
1Q3 5
1Q4 6
VCC 7
1Q5 8
1Q6 9
GND 10
1Q7 11
1Q8 12
2Q1 13
2Q2 14
GND 15
2Q3 16
2Q4 17
VCC 18
2Q5 19
2Q6 20
GND 21
2Q7 22
2Q8 23
2G 24
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
G
QD
(Top view)
48 1LE
47 1D1
46 1D2
45 GND
44 1D3
43 1D4
42 VCC
41 1D5
40 1D6
39 GND
38 1D7
37 1D8
36 2D1
35 2D2
34 GND
33 2D3
32 2D4
31 VCC
30 2D5
29 2D6
28 GND
27 2D7
26 2D8
25 2LE
2


Part Number HD74LVC16373A
Description 16-bit D-type Transparent Latches with 3-state Outputs
Maker Hitachi Semiconductor
Total Page 10 Pages
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