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GS3140 Datasheet, PDF (5/40 Pages) Semtech Corporation – Multi-Rate Adaptive 3G SDI Equalizer
1. Pin Out
1.1 GS3140 Pin Assignment
VCC_A
SDI
SDI
VEE_A
16
15
14
13
1
12
2
GS3140
11
16-pin QFN–COL
3
(top view)
10
4
9
5
6
7
8
VCC_O
DDO
DDO
VEE_O
Figure 1-1: GS3140 Pin Out
1.2 GS3140 Pin Descriptions
Table 1-1: GS3140 Pin Descriptions
Pin Number
Name
Type
1
VCC_A
Power
2, 3
SDI, SDI
Input
4
VEE_A
Power
5, 6
AGC, AGC
Analog I/O
7
SDIN
Digital Input
8
SCLK
Digital Input
9
VEE_O
Power
10, 11
12
DDO, DDO
VCC_O
Output
Power
Description
Most positive power supply connection for the input buffer and core.
Connect to 1.8V.
Serial digital differential input.
Most negative power supply connection for the input buffer and core.
Connect to GND.
External Automatic Gain Control capacitor.
Host Interface Serial Data Input.
Host Interface Serial Clock Input.
Most negative power supply connection for the output buffers, digital
IO and digital circuits.
Connect to GND.
Serial digital differential output.
Most positive power supply connection for the output buffer.
Connect to 1.2V - 2.5V.
GS3140
Final Data Sheet
PDS-060939
Rev.1
May 2015
www.semtech.com
5 of 40
Semtech
Proprietary & Confidential