GS2988 Datasheet, PDF (4/17 Pages) Gennum Corporation – Dual-Slew-Rate, Cable Driver with 3Gb/s Capability

1. Pin Out
1.1 Pin Assignment
DDI
DDI
VEE
RSET
16
15
14
13
1
12
2
GS2988
11
16-pin QFN
(top view)
3
10
4
9
5
6
7
8
Ground Pad
(bottom of package)
SDO
SDO
SD/HD
VCC
Figure 1-1: 16-Pin QFN
1.2 Pin Descriptions
Table 1-1: Pin Descriptions
Pin Number
1, 2
3
Name
DDI, DDI
VEE
Type
Input
Power
4
5, 7, 8, 13, 15
RSET
N/C
Input
−
6
DISABLE
Input
9
VCC
Power
Description
Serial data differential input.
Most negative power supply connection for the input buffer and core.
Connect to GND.
External output amplitude control resistor connection.
No Connect.
These pins are not connected internally.
Control signal input.
When set LOW, the entire device is powered-down.
When set HIGH, the SDO/SDO pins will output a serial data signal.
NOTE: if this pin is left floating, the serial data output will be enabled.
Most positive power supply connection.
Connect to 3.3V or 2.5V.
GS2988 Dual-Slew-Rate, Cable Driver with 3Gb/s
Capability
Data Sheet
52131 - 4
December 2010
4 of 17