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GS9076 の電気的特性と機能

GS9076のメーカーはGennumです、この部品の機能は「SD-SDI Automatic Reclocker」です。


製品の詳細 ( Datasheet PDF )

部品番号 GS9076
部品説明 SD-SDI Automatic Reclocker
メーカ Gennum
ロゴ Gennum ロゴ 




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GS9076 Datasheet, GS9076 PDF,ピン配置, 機能
Features
• SMPTE 259M-C compliant
• Automatic lock to SDI and DVB-ASI at 270Mb/s
• 4:1 input multiplexer patented technology
• Choice of dual reclocked data outputs or one data
output and one recovered clock output
• Loss of Signal (LOS) Output
• Lock Detect Output
• On-chip Input and Output Termination
• Differential 50Ω inputs and outputs
• Mute, Bypass and Autobypass functions
• Footprint and drop-in compatible with existing
GS2975A designs
• Pb-free and RoHS Compliant
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
Applications
• SMPTE 259M-C Serial Digital Interfaces
GS9076 HD-LINX® III
SD-SDI Automatic Reclocker
with Dual Differential Outputs
GS9076 Data Sheet
Description
The GS9076 is an SD-SDI Serial Digital Reclocker
designed to automatically recover the embedded clock
from a digital video signal and re-time the incoming
video data. The device automatically detects and locks
to incoming SMPTE 259M-C SDI and DVB-ASI signals
at 270Mb/s.
The GS9076 removes the high frequency jitter
components from the bit-serial stream. Input
termination is on-chip for seamless matching to 50Ω
transmission lines. The device requires only one
external crystal to set the VCO frequency when not
locked and provides adjustment free operation.
In systems which require passing of non-SMPTE data
rates, the GS9076 can be configured to either
automatically or manually enter a bypass mode in order
to pass the signal without reclocking.
The GS9076 offers a choice of dual reclocked data
outputs or one data output and one recovered clock
output. The device is footprint and drop-in compatible
with existing GS2975A designs, with no additional
application changes required.
The GS9076 is Pb-free, and the encapsulation
compound does not contain halogenated flame
retardant.
This component and all homogeneous sub-components
are RoHS compliant.
44617 - 1 January 2008
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GS9076 pdf, ピン配列
Contents
GS9076 Data Sheet
Features ........................................................................................................................1
Applications ...................................................................................................................1
Description ....................................................................................................................1
Functional Block Diagram .............................................................................................2
1. Pin Out ......................................................................................................................4
1.1 GS9076 Pin Assignment .................................................................................4
1.2 GS9076 Pin Descriptions ................................................................................5
2. Electrical Characteristics ...........................................................................................8
2.1 Absolute Maximum Ratings ............................................................................8
2.2 DC Electrical Characteristics ..........................................................................8
2.3 AC Electrical Characteristics ...........................................................................9
2.4 Solder Reflow Profiles ...................................................................................12
3. Input / Output Circuits .............................................................................................13
4. Detailed Description ................................................................................................16
4.1 Slew Rate Phase Lock Loop (S-PLL) ...........................................................16
4.2 VCO ..............................................................................................................17
4.3 Charge Pump ................................................................................................17
4.4 Frequency Acquisition Loop — The Phase-Frequency Detector ..................18
4.5 Phase Acquisition Loop — The Phase Detector ...........................................18
4.6 4:1 Input Mux ................................................................................................19
4.7 Automatic and Manual Data Rate Selection .................................................19
4.8 Bypass Mode ................................................................................................20
4.9 Lock and LOS ...............................................................................................20
5. Typical Application Circuit .......................................................................................21
6. Package & Ordering Information .............................................................................22
6.1 Package Dimensions ....................................................................................22
6.2 Recommended PCB Footprint ......................................................................23
6.3 Packaging Data .............................................................................................24
6.4 Marking Diagram ...........................................................................................24
6.5 Ordering Information .....................................................................................24
7. Revision History ......................................................................................................25
44617 - 1 January 2008
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GS9076 電子部品, 半導体
GS9076 Data Sheet
Table 1-1: Pin Descriptions (Continued)
Pin Number Name
29 LOS
Type
Output
30 VCC_DIG
Power
31 VEE_DIG
Power
33 SD
Output
34 KBB
Analog Input
35
RCO_MUTE
Power
36
DDO_MUTE
Logic Input
Description
Loss of Signal.
Set HIGH when there are no transitions on the active DDI[3:0] input.
Most positive power supply connection for the internal glue logic.
Connect to 3.3V.
Most negative power supply connection for the internal glue logic.
Connect to GND.
This signal will be set HIGH when the reclocker has locked to 270Mbps or LOW
when a non-SMPTE standard is applied. (i.e. the device is not locked).
Controls the loop bandwidth of the PLL.
Serial clock or secondary data output mute.
Assert LOW for reduced power consumption, see Section 2.2 DC Electrical
Characteristics.
When RCO_MUTE = LOW, the RCO/DDO1 output is powered down.
When RCO_MUTE = HIGH, the RCO/DDO1 output is active.
NOTE: This is not a logic input pin.
Mutes the DDO0 and/or RCO/DDO1 outputs.
DDO_MUTE RCO_MUTE DATA/CLOCK DDO0
11
0 DATA
11
1 DATA
01
0 MUTE
01
1 MUTE
10
X DATA
00
X MUTE
NOTE:
MUTE = Outputs latched at previous data bit.
Power down = Outputs pulled to Vcc through 50Ω resistor.
RCO/DDO1
CLOCK
DATA
CLOCK
MUTE
Power down
Power down
37
38, 40
39, 45
41
DATA/CLOCK
Logic Input
RCO/DDO1 /
RCO/DDO1
RSV
VCC_RCO
Output
Reserved
Power
Data/Clock select.
When set HIGH, the RCO/DDO1 pin will output a copy of the serial digital ouput
(DDO0).
When set LOW, the RCO/DDO1 pin will output a re-timed clock (RCO).
Serial clock or secondary data output.
When RCO_MUTE is connected to VCC, the serial digital differential clock or
secondary data output will be presented.
Do not connect.
Most positive power supply connection for the RCO/DDO1 and RCO/DDO1
output driver.
Connect to 3.3V.
44617 - 1 January 2008
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Link :


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