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74ALVCH16373DGG Datasheet Preview

74ALVCH16373DGG Datasheet

16-bit D-type transparent latch

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74ALVCH16373
2.5 V/3.3 V 16-bit D-type transparent latch; 3-state
Rev. 7 — 30 January 2019
Product data sheet
1. General description
The 74ALVCH16373 is 16-bit D-type transparent latch featuring separate D-type inputs for each
latch and 3-state outputs for bus oriented applications.
Incorporates bus hold data inputs which eliminate the need for external pull-up or pull-down
resistors to hold unused inputs.
One latch enable (LE) input and one output enable (OE) are provided per 8-bit section.
The 74ALVCH16373 consists of 2 sections of eight D-type transparent latches with 3-state true
outputs. When LE is HIGH, data at the nDn inputs enter the latches. In this condition the latches
are transparent, therefore a latch output will change each time its corresponding D-input changes.
When LE is LOW, the latches store the information that was present at the nDn inputs at a set-up
time preceding the LOW-to-HIGH transition of LE. When OE is LOW, the contents of the eight
latches are available at the outputs. When OE is HIGH, the outputs go to the high-impedance
OFF-state. Operation of the OE input does not affect the state of the latches.
2. Features and benefits
Wide supply voltage range from 1.2 V to 3.6 V
Complies with JEDEC standard JESD8-B
CMOS low power consumption
MULTIBYTE flow-through standard pin-out architecture
Low inductance multiple VCC and GND pins for minimum noise and ground bounce
Direct interface with TTL levels
All data inputs have bus hold
Output drive capability 50 Ω transmission lines at 85 °C
Current drive ±24 mA at VCC = 3.0 V
3. Ordering information
Table 1. Ordering information
Type number
Temperature range
74ALVCH16373DGG -40 °C to +85 °C
Package
Name
TSSOP48
Description
plastic thin shrink small outline package;
48 leads; body width 6.1 mm
Version
SOT362-1




nexperia

74ALVCH16373DGG Datasheet Preview

74ALVCH16373DGG Datasheet

16-bit D-type transparent latch

No Preview Available !

Nexperia
4. Functional diagram
Fig. 1. Logic symbol
Fig. 2. IEC logic symbol
74ALVCH16373
2.5 V/3.3 V 16-bit D-type transparent latch; 3-state
1
24
1OE 2OE
47 1D0
1Q0 2
46 1D1
1Q1 3
44 1D2
1Q2 5
43 1D3
1Q3 6
41 1D4
1Q4 8
40 1D5
1Q5 9
38 1D6
1Q6 11
37 1D7
1Q7 12
36
2D0
2Q0 13
35
2D1
2Q1 14
33
2D2
2Q2 16
32
2D3
2Q3 17
30
2D4
2Q4 19
29
2D5
2Q5 20
27
2D6
2Q6 22
26
2D7
2Q7 23
1LE 2LE
48
25 001aam007
1OE 1
1EN
1LE 48
C1
2OE 24 2EN
2LE 25
C4
1D0 47 3D
1D1 46
1D2 44
1D3 43
1D4 41
1D5 40
1D6 38
1D7 37
2D0 36 4D
2D1 35
2D2 33
2D3 32
2D4 30
2D5 29
2D6 27
2D7 26
1
2 1Q0
3 1Q1
5 1Q2
6 1Q3
8 1Q4
9 1Q5
11 1Q6
12 1Q7
2
13 2Q0
14 2Q1
16 2Q2
17 2Q3
19 2Q4
20 2Q5
22 2Q6
23 2Q7
001aam009
74ALVCH16373
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 30 January 2019
© Nexperia B.V. 2019. All rights reserved
2 / 15


Part Number 74ALVCH16373DGG
Description 16-bit D-type transparent latch
Maker nexperia
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