1. Pin Out
1.1 GS1578A Pin Assignment
NC
NC
NC
NC
13
12
SDO
11
GS1578A
(top view)
V
EE
3
10
SD / HD
16
SDI
1
15
14
SDI
2
SDO
RSET
4
5
NC
6
NC
7
NC
8
9
VCC
Center Pad
(bottom of package)
Figure 1-1: 16-Pin QFN
1.2 GS1578A Pin Descriptions
Table 1-1: Pin Descriptions
Pin Number
1,2
3
4
5,6,7,8,13,14,
15,16
9
10
Name
SDI, SDI
V
EE
R
SET
NC
Timing
Analog
–
Analog
–
NC
Type
Input
Power
Input
–
Description
Serial digital differential input.
Most negative power supply connection. Connect to GND.
External output amplitude control resistor.
No Connect. Not bonded internally.
V
CC
SD/HD
–
Non
Synchronous
Power
Input
Most positive power supply connection. Connect to +3.3V.
Output slew rate control. When set HIGH, the output will meet
SMPTE 259M rise/fall time specifications. When set LOW, the serial
outputs will meet SMPTE 292M rise/fall time specifications.
Serial digital differential output.
Connect to most negative power supply plane following the
recommendations in
11,12
–
SDO, SDO
Center Pad
Analog
–
Output
Power
GS1578A HD-LINX® II Multi-Rate Dual Slew-Rate
Cable Driver
Data Sheet
33657 - 5
November 2009
4 of 16
Proprietary & Confidential
GENNUM [ GENNUM CORPORATION ]
