74lvt16501a NXP Semiconductors, 74lvt16501a Datasheet - Page 6

• Manufacturer Part Number: 74lvt16501a
• Description: 3.3v Lvt 18-bit Universal Bus Transceiver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7. Functional description
74LVT16501A_4
Product data sheet
7.1 Function table
Table 3.
Table 4.
[1]
Symbol
V
B2
B1
GND
B0
CPAB
GND
Operating mode
Disabled
Disabled, latch data
Disabled, hold data
Disabled, clock data
Transparent
Latch data and display
Clock 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;
I = 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 transition;
= LOW-to-HIGH clock transition.
Pin description
Function table
Pin
50
51
52
53
54
55
56
Description
voltage supply
data input or output B2
data input or output B1
ground (0 V)
data input or output B0
A-to-B clock input (active rising edge)
ground (0 V)
Control
OEAB
OEBA
L
L
L
L
H
H
H
H
Rev. 04 — 19 May 2006
[1]
…continued
LEAB
LEBA
H
L
L
H
L
L
3.3 V LVT 18-bit universal bus transceiver; 3-state
CPAB
CPBA
X
X
H or L
X
X
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.
74LVT16501A
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
6 of 19