74lvth16952 Fairchild Semiconductor, 74lvth16952 Datasheet - Page 2

• Manufacturer Part Number: 74lvth16952
• Description: Low Voltage 16-bit Registered Transceiver With 3-state Outputs
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Connection Diagram
2
Pin Descriptions
Truth Table
(Note 1)
H
L
X

Z
NC
B
Note 1: A to B data flow shown; B to A flow control is the same, but used
OEBA
A
B
CPAB
CEA
OEAB
0
A
X
X
H
H
X
X
X
X
L
L
0
0
LOW Voltage Level
Output High Impedance
n
HIGH Voltage Level
Immaterial
–A
–B
State established by last valid CP
LOW-to-HIGH Transition.
No Change (state established by last valid CP)
n
, CPBA
n
CPAB
16
16
Pin Names
, CEB
n
n
, CPBA




, OEBA
X
X
H
H
L
L
n
n
Inputs
n
and CEB
CEA
n
n
H
H
X
X
X
X
L
L
L
L
n
n
.
OEAB
Data Register A Inputs
B-Register 3-STATE Outputs
Data Register B Inputs
A-Register 3-STATE Outputs
Clock Pulse Inputs
Clock Enable
Output Enable Inputs
H
H
H
H
H
L
L
L
L
L
n
Internal Register Output
Description
Value
NC
NC
NC
NC
NC
NC
H
H
L
L
B
B
B
B
H
Z
L
Z
Z
Z
Z
n
0
0
0