DS90UR241 Datasheet, PDF (22/24 Pages) National Semiconductor (TI) – 5-43 MHz DC-Balanced 24-Bit LVDS Serializer and Deserializer

Truth Tables
Pin 9
TPWDNB
L
H
H
H
H
Pin 18
DEN
X
L
H
H
H
TABLE 1. DS90UR241 Serializer Truth Table
Pin 12
RAOFF
X
X
X
L
H
(Internal)
Tx PLL Status
X
X
Not Locked
Locked
Locked
Pins 19 and 20
LVDS Outputs
Hi Z
Hi Z
Hi Z
Serialized Data with Embedded Clock
(DS90UR124 compatible)
Serialized Data with Embedded Clock
(DS90C124 compatible)
Pin 48
RPWDNB
L
H
H
H
H
Pin 60
REN
X
L
H
H
H
TABLE 2. DS90UR124 Deserializer Truth Table
Pin 63
RAOFF
X
X
(Internal)
Rx PLL Status
X
X
(See Pin Diagram)
ROUTn and RCLK
Hi Z
Hi Z
X
Not Locked
Hi Z
L
Locked
Data and RCLK Active
(DS90UR241 compatible)
H
Locked
Data and RCLK Active
(DS90C241 compatible)
Pin 23
LOCK
Hi Z
L = PLL Unocked;
H = PLL Locked
L
H
H
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