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74ALVCH16543 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
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74ALVCH16543
NXP
NXP Semiconductors. NXP
74ALVCH16543 Datasheet PDF : 17 Pages
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Nexperia
74ALVCH16543
16-bit D-type registered transceiver; 3-state
5.2 Pin description
Table 2. Pin description
Symbol
1A0, 1A1, 1A2, 1A3, 1A4, 1A5, 1A6, 1A7
2A0, 2A1, 2A2, 2A3, 2A4, 2A5, 2A6, 2A7
1B0, 1B1, 1B2, 1B3, 1B4, 1B5, 1B6, 1B7
2B0, 2B1, 2B2, 2B3, 2B4, 2B5, 2B6, 2B7
1OEAB, 2OEAB
1OEBA, 2OEBA
1EAB, 2EAB
1EBA, 2EBA
1LEAB, 2LEAB
1LEBA, 2LEBA
GND
VCC
Pin
5, 6, 8, 9, 10, 12, 13, 14
15, 16, 17, 19, 20, 21, 23, 24
52, 51, 49, 48, 47, 45, 44, 43
42, 41, 40, 38, 37, 36, 34, 33
1, 28
56, 29
3, 26
54, 31
2, 27
55, 30
4, 11, 18, 25, 32, 39, 46, 53
7, 22, 35, 50
Description
data inputs/outputs
data inputs/outputs
data inputs/outputs
data inputs/outputs
A to B output enable inputs (active LOW)
B to A output enable inputs (active LOW)
A to B enable inputs (active LOW)
B to A enable inputs (active LOW)
A to B latch enable inputs (active LOW)
B to A latch enable inputs (active LOW)
ground (0 V)
supply voltage
6 Functional description
Table 3. Function selection [1]
Inputs
nOEAB or nOEBA nEAB or nEBA
H
X
X
H
L
L
L
L
L
L
L
L
L
L
L
L
nLEAB or nLEBA nAn or nBn
X
X
X
X
L
h
L
l
h
l
L
H
L
L
H
X
Outputs
nBn or nAn
Z
Z
Z
Z
H
L
H
L
NC
[1] H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH transition of nLEAB, nLEBA, nEAB or nEBA;
L = LOW voltage level;
l = LOW voltage level one set-up time prior to the LOW-to-HIGH transition of nLEAB, nLEBA, nEAB or nEBA;
X = don’t care;
↑ = LOW-to-HIGH transition of nLEAB, nLEBA, nEAB or nEBA;
NC = no change;
Z = high-impedance OFF-state.
Status
disabled
disabled
disabled + latch
disabled + latch
latch + display
latch + display
transparent
transparent
hold
74ALVCH16543
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 15 December 2017
© Nexperia B.V. 2017. All rights reserved.
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