VSC8161 Datasheet PDF - Vitesse Semiconductor
Part Number | VSC8161 | |
Description | 2.488Gb/s SONET / SDH 16:1 Mux | |
Manufacturers | Vitesse Semiconductor | |
Logo | ||
There is a preview and VSC8161 download ( pdf file ) link at the bottom of this page. Total 16 Pages |
Preview 1 page No Preview Available ! VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC8161
2.488Gb/s SONET / SDH
16:1 Mux with Clock Generator and Laser Driver
Features
• 16:1 Multiplexer Integrated with Clock
Multiplier and Laser Driver
• Monolithic Phase Locked Loop
• Laser Driver Provides up to 110 mA Current
• Differential 16-bit Parallel Data
• 100 pin 14x14 Plastic Quad Flat Package
• Jitter Generation Meets SONET OC-48 and
SDH STM-16 Requirements
• Companion to the VSC8162 1:16 Demulti-
plexer with Clock Recovery
• Supports Parity Checking at the 16-bit
Parallel Interface
General Description
The VSC8161 combines a Laser Driver and a clock multiplier with a 16:1 multiplexer to provide a single-
chip solution. The 16-bit data word is latched by an internal version of the reference clock, and is bit-multi-
plexed up to 2.488GHz. The on-chip PLL generates the internal 2.488GHz clock, which remains locked to the
155.52 MHz reference clock. The on-chip laser driver provides up to 60 mA modulation current and 50 mA bias
current.
VSC8161 Functional Block Diagram
D0+
D0-
D15+
D15-
PARITY+
PARITY-
CLK16+
CLK16-
REFCK+
REFCK-
Output
Retime
2.5GHz
PLL
Parity
Register
Divide
by 16
DINVERT
VIP
VIB
IOUT+
IOUT-
MIB
MIP
DINVALID+
DINVALID-
G52208-0, Rev.2.1
8/28/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 1
|
|
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC8161
2.488Gb/s SONET / SDH
16:1 Mux with Clock Generator and Laser Driver
Figure 4: Recommended Modulation and Bias Current Control Circuits
VP
(0-60mV)
+
–
+
–
X VIP
X MIP
1Ω
VEE
Modulation Current Control Circuit
VB
(0-50mV)
+
–
+
–
X VIB
X MIB
1Ω
VEE
Bias Current Control Circuit
For Example to get 40mA of modulation current, VP is set to 40mV (40mA x 1Ω = 40mV)
Supplies
The VSC8161 is designed to operate with VEE = -5.2V, VTT = -2.0V and VCC = GND (0.0V). However, the
part can be operated in an all positive supply environment, or a mixed positive and negative supply environment.
To operate in an all positive supply environment, each of the supply voltages must be shifted up by 5.2V
such that VEE will now be GND, VTT = +3.2V and VCC = +5.2V. To operate in a mixed positive and negative
supply environment, each of the supply voltages must be shifted up by 2.0V such that VTT will now be GND,
VEE = -3.2V and VCC = +2.0V.
Bear in mind that termination voltages must be adjusted to reflect any shift in supply voltages.
G52208-0, Rev.2.1
8/28/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for VSC8161 electronic component. |
Information | Total 16 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ VSC8161.PDF Datasheet ] |
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Featured Datasheets
Part Number | Description | MFRS |
VSC8161 | The function is 2.488Gb/s SONET / SDH 16:1 Mux. Vitesse Semiconductor | |
VSC8162 | The function is 2.488 Gbit/sec SONET/SDH 1:16 Demux. Vitesse Semiconductor | |
VSC8164 | The function is 2.488 Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux. Vitesse Semiconductor | |
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