DS90C241_0608 Datasheet, PDF (20/21 Pages) National Semiconductor (TI) – 5-35MHz DC-Balanced 24-Bit LVDS Serializer and Deserializer

Truth Tables
Pin 9
TPWDNB
L
H
H
H
Pin 1
RPWDNB
L
H
H
H
TABLE 1. DS90C241 Serializer Truth Table
Pin 18
DEN
X
L
H
H
(Internal)
Tx PLL Status
X
X
Not Locked
Locked
Pins 19 and 20
LVDS Outputs
Hi Z
Hi Z
Hi Z
Serialized Data with Embedded Clock
TABLE 2. DS90C124 Deserializer Truth Table
Pin 48
REN
X
L
(Internal)
Rx PLL Status
X
X
(See Pin Diagram)
ROUTn and RCLK
Hi Z
Hi Z
H
Not Locked
Hi Z
H
Locked
Data and RCLK Active
Pin 17
LOCK
Hi Z
L = PLL Unocked;
H = PLL Locked
L
H
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