74lvt16500a NXP Semiconductors, 74lvt16500a Datasheet - Page 6

• Manufacturer Part Number: 74lvt16500a
• Description: 3.3v 18-bit Universal Bus Transceiver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
6. Functional description
74LVT16500A_3
Product data sheet
Table 2.
Table 3.
[1]
Symbol
B3
V
B2
B1
GND
B0
CPAB
GND
Operating mode
disabled
disabled, latch data
disabled, latch data
disabled, hold data
disabled, clock data
disabled, clock data
transparent
transparent
latch data and display
latch data and display
clock data and display
clock data and display
hold data and display
hold data and display
CC
H = HIGH voltage level;
h = HIGH voltage level one setup time prior to the enable or clock transition;
L = LOW voltage level;
l = LOW voltage level one setup time prior to the enable or clock transition;
NC = no change;
X = don’t care;
Z = high-impedance OFF-state;
= HIGH-to-LOW enable or clock transition.
Pin description
Function table
Pin
49
50
51
52
53
54
55
56
Control
OEAB
OEBA
L
L
L
L
L
L
H
H
H
H
H
H
H
H
Rev. 03 — 29 May 2006
[1]
…continued
Description
data input/output B3
supply voltage
data input/output B2
data input/output B1
ground (0 V)
data input/output B0
A-to-B clock input (active falling edge)
ground (0 V)
LEAB
LEBA
H
L
L
L
H
H
L
L
L
L
3.3 V 18-bit universal bus transceiver; 3-state
CPAB
CPBA
X
X
X
H or L
X
X
X
X
H or L
H or L
Input
An
Bn
X
h
l
X
h
l
H
L
h
l
h
l
X
X
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
74LVT16500A
Internal
register
X
H
L
NC
H
L
H
L
H
L
H
L
H
L
Output
Bn
An
Z
Z
Z
Z
Z
Z
H
L
H
L
H
L
H
L
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