VN16218

Features: • 20-bit wide parallel Tx, Rx busses• 20-bit LVTTL interface for transmit and receive data at 125 MHz• 125 MHz complementary receive and byte clocks• Low Power Consumption• ESD rating >2000V (Human Body Model) or >200V (Machine Model)• Parallel l...

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VN16218 Picture
SeekIC No. : 004542379 Detail

VN16218: Features: • 20-bit wide parallel Tx, Rx busses• 20-bit LVTTL interface for transmit and receive data at 125 MHz• 125 MHz complementary receive and byte clocks• Low Power Cons...

floor Price/Ceiling Price

Part Number:
VN16218
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/7

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Product Details

Description



Features:

• 20-bit wide parallel Tx, Rx busses
• 20-bit LVTTL interface for transmit and receive data at 125 MHz
• 125 MHz complementary receive and byte clocks
• Low Power Consumption
• ESD rating >2000V (Human Body Model) or >200V (Machine Model)
• Parallel loopback mode
• Available in 14 mm x 14 mm LQFP package
• Differential PECL serial output
• I/O power supply 3.3V
• Core power supply 1.8 V



Application

• Fast serial backplane transceiver
• High-speed point-to-point links



Pinout

  Connection Diagram


Specifications

Symbol Parameter Conditions Min. Max. Unit
VDDT

3.3V Supply voltage

  -0.5 4.6 V

VDD

1.8V Power Supply voltage

  -0.5 2.5 V

VIN

Differential Input Voltage

  -0.5 VDD + 0.5 V
TC

Case temperature

  0 95  
Tstg

Storage Temperature

  -65 +150  

Tj

Junction Operating
Temperature
  0 +125




Description

The VN16218 is a low power single chip, 2.5GBd transceiver. It provides a 2.5GBd serial link interface in the physical layer and includes a Serialize/Deserialize (SERDES) capability. Other functions include clock generation, clock data recovery, and word synchronization. In addition, an internal loopback function is provided for system debugging.

The VN16218 is ideal for 2.5 Gigabit, serial backplane and proprietary point-to-point applications. The device supports both fiber-optic and copper media.

The transmitter section of the VN16218 accepts 20-bit wide TTL data and latches it on the rising edge of the incoming Transmit Byte Clock (TBC) and serializes the data onto the TX± differential outputs, at a baud rate that is twenty times the TBC frequency. The data is converted to a high-speed serial data stream. The transmit PLL locks to the 125 MHz TBC. This clock is then multiplied by 20 to supply a 2.5 GHz serial clock for parallel-to-serial conversion. The high-speed serial outputs can interface directly with copper cables or PCB traces. Where optical transmission is required, the outputs can connect to a separate optical module.When copper lines are the medium, equalization is available for improved performance.

The receiver section of the VN16218 accepts a serial data stream of 2.5 GBd and recovers 20 bit parallel data. The VN16218 receiver PLL locks on to the incoming serial signal and recovers the high-speed incoming clock and data. The serial data is converted back into 20-bit parallel data format. Byte alignment is accomplished by optional recognition of the K28.5+ comma character.The recovered parallel data is sent to CMOS outputs, together with two 125 MHz clocks, RBC and RBCN,that are 180 degrees out of phase from each other.




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