GS1574 View Datasheet(PDF) - Gennum -> Semtech
Part Name
Description
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GS1574 Datasheet PDF : 18 Pages
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1. Pin Out
1.1 GS1574 Pin Assignment
GS1574 Data Sheet
16
VEE_A
1
SDI 2
SDI 3
VEE_A
4
5
15
14
GS1574
(top view)
6
7
Figure 1-1: 16-Pin QFN
1.2 GS1574 Pin Descriptions
13
12 VEE_D
11 SDO
10 SDO
9 VEE_D
8
Center Pad
(bottom of package, internally
bonded to VEE_A)
Table 1-1: GS1574 Pin Descriptions
Pin Number Name
Timing
1, 4
VEE_A
Analog
2, 3
SDI, SDI
Analog
5, 6
AGC, AGC
Analog
7
BYPASS
Not
Synchronous
8
MCLADJ
Analog
9
10, 11
VEE_D
Analog
SDO, SDO
Analog
Type
Power
Input
–
Input
Input
Power
Output
Description
Most negative power supply for analog circuitry.
Connect to analog GND.
Serial digital differential input.
External AGC capacitor.
Connect pin 5 and pin 6 together as shown in Typical Application Circuit
A.
Forces the Equalizing and DC RESTORE stages into bypass mode
when HIGH. No equalization occurs in this mode.
Maximum cable length adjust.
Adjusts the approximate maximum amount of cable to be equalized
(from 0m to the maximum cable length). The output is muted (latched to
the last state) when the maximum cable length is achieved.
NOTE: MCLADJ is only recommended for data rates up to 360Mb/s.
For data rates above this, MCLADJ should be left floating.
Most negative power supply for the digital circuitry and output buffer.
Connect to digital GND.
Equalized serial digital differential output.
28854 - 5 May 2007
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