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GENNUM

GS9025A Datasheet Preview

GS9025A Datasheet

Serial Digital Receiver

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GENLINX II GS9025A
Serial Digital Receiver
FEATURES
• SMPTE 259M compliant
• operational to 540Mb/s
• automatic cable equalization (typically greater than
350m of high quality cable at 270Mb/s)
• adjustment-free operation
• auto-rate selection (5 rates) with manual override
• single external VCO resistor for operation with five
input data rates
• data rate indication output
• serial data outputs muted and serial clock remains
active when input data is lost
• operation independent of SAV/EAV sync signals
• signal strength indicator output
• carrier detect with programmable threshold level
• power savings mode (output serial clock disable)
• Pb-free and Green
APPLICATIONS
Cable equalization plus clock and data recovery for all high
speed serial digital interface applications involving SMPTE
259M and other data standards.
DATA SHEET
DESCRIPTION
The GS9025A provides automatic cable equalization and
high performance clock and data recovery for serial digital
signals. The GS9025A receives either single-ended or
differential serial digital data and outputs differential clock
and retimed data signals at PECL levels (800mV). The on-
board cable equalizer provides up to 40dB of gain at
200MHz which typically results in equalization of greater
than 350m of high quality cable at 270Mb/s.
The GS9025A operates in either auto or manual data rate
selection mode. In both modes, the GS9025A requires only
one external resistor to set the VCO centre frequency and
provides adjustment free operation.
The GS9025A has dedicated pins to indicate signal
strength/carrier detect, LOCK and data rate. Optional
external resistors allow the carrier detect threshold level to
be customized to the user's requirement. In addition, the
GS9025A provides an 'Output Eye Monitor Test'
(OEM_TEST) for diagnostic testing of signal integrity after
equalization, prior to reslicing. The serial clock outputs can
also be disabled to reduce power. The GS9025A operates
from a single +5 or -5 volt supply.
ORDERING INFORMATION
PART NUMBER
GS9025ACQM
GS9025ACTM
GS9025ACQME3
GS9025ACTME3
PACKAGE
44 pin MQFP Tray
44 pin MQFP Tape
44 pin MQFP Tray
44 pin MQFP Tape
TEMPERATURE
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
Pb-FREE AND GREEN
No
No
Yes
Yes
A/D
DDI
ANALOG
CARRIER DETECT
DDI
DIGITAL
MUX
PHASELOCK
HARMONIC
SDI +
SDI --
VARIABLE
GAIN EQ
STAGE
OEM_TEST
EYE
MONITOR
AUTO EQ
CONTROL
FREQUENCY
ACQUISITION
PHASE
DETECTOR
DIVISION
+-
AGC CAP CD_ADJ
CHARGE
PUMP
VCO
SSI/CD LF+ LFS LF-
CBG RVCO
BLOCK DIAGRAM
COSC
LOGIC MUTE
3 BIT
COUNTER
DECODER
LOCK
SDO
SDO
CLK_EN
SCO
SCO
SMPTE
AUTO/MAN
SS0
SS1
SS2
Revision Date: August 2005
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com
www.gennum.com
Document No. 522 - 75 - 05




GENNUM

GS9025A Datasheet Preview

GS9025A Datasheet

Serial Digital Receiver

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage (VS)
Input Voltage Range (any input)
Operating Temperature Range
Storage Temperature Range
Lead Temperature (soldering, 10 sec)
VALUE
5.5V
VCC + 0.5 to VEE - 0.5V
0°C TA 70°C
-65°C TS 150°C
260°C
DC ELECTRICAL CHARACTERISTICS
VCC = 5.0V, TA = 0° to 70°C unless otherwise stated, RLF = 1.8k, CLF1 = 15nF, CLF2 = 3.3pF
PARAMETER
CONDITION
MIN
TYPICAL1
MAX
UNITS NOTES
Supply Voltage
Supply Current
SDI Common Mode Voltage
DDI Common Mode Input
Voltage Range
DDI Differential Input Drive
SSI/CD Output Current
OEM_TEST Bias Potential
A/D
AUTO/MAN, SMPTE, SS[2:0]
Input Voltage
CLK_EN Input Voltage
LOCK Output Low Voltage
SS[2:0] Output Voltage
CLK_EN = 0
CLK_EN = 1
HIGH, 100m,
143Mb/s, ΙOH=-10µA
HIGH, 300m,
143Mb/s, ΙOH=-10µA
LOW, ΙOL=1mA
RL=50Ω
High
Low
High
Low
High
Low
ΙOL=500µA
HIGH, ΙOH=-180µA,
Auto Mode
LOW, ΙOL=600µA,
Auto Mode
4.75
-
-
-
VEE+(VDIFF/2)
200
-
-
-
-
2.3
-
2.0
-
2.5
-
-
4.4
-
5
115
125
2.4
0.4 to 4.6
5.25
-
VCC-(VDIFF/2)
800 2000
4.2 -
3.7 -
0.4 0.8
4.75 -
--
- 0.8
--
- 0.8
--
- 0.8
0.25 0.4
4.8 -
0.3 0.4
V
mA
mA
V
V
mV
V
V
V
V
V
V
V
V
2
5
3
TEST
LEVEL
3
9
3
3
3
3
3
1
3
3
3
3
1
1
GENNUM CORPORATION
2 of 18
522 - 75 - 05


Part Number GS9025A
Description Serial Digital Receiver
Maker GENNUM
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