HDMP-1687 Просмотр технического описания (PDF) - HP => Agilent Technologies

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HDMP-1687

Four Channel SerDes Circuit for Gigabit Ethernet and Fibre Channel

HP => Agilent Technologies 

TRx I/O Definition, continued

Name

Type

TX [0:3] [0]

TX [0:3] [1]

TX [0:3] [2]

TX [0:3] [3]

TX [0:3] [4]

TX [0:3] [5]

TX [0:3] [6]

TX [0:3] [7]

TX [0:3] [8]

TX [0:3] [9]

I-TTL

VCC

S

VCCA

S

VCR3-0

S

VCP3-0

S

GND

S

GNDA

S

Signal

Data Inputs: Four 10 bit, 8B/10B encoded data bytes. TX [0:3] [0] are the first bits

transmitted.

Power Supply: Nominally 3.3 volts. Used for logic and TTL inputs.

Analog Power Supply: Nominally 3.3 volts. Used to provide a clean supply

line for the PLLs and high speed analog cells.

Rx TTL Output Power Supply: Nominally 3.3 volts.

Used for all TTL receiver output buffer cells.

High Speed Output Supply: Nominally 3.3 volts. Used only for the last stage

of the high speed transmitter output cells (HS_OUT) as shown in Figure 10.

Due to high current transitions, this Vcc should be well bypassed to a ground plane.

Ground: Nominally 0 volts. All GND pads on the chip are connected to one ground slug

in the package which then distributes these to GND balls.

Analog Ground: Normally 0 volts. All GND pads on the chip are connected to one

ground slug in the package, which then distributes these to GND balls.

208 Ball 23 mm x 23 mm TBGA Package Drawing

A1 CORNER

HDMP-1687

ABCD–N RE.FG

S YYWW

HONG KONG

TOP VIEW

Procedure to follow for soldering the HDMP-1687, 208-ball TBGA package:

IR or Convective Reflow per IPC/JEDEC J-STD-020A standard for BGA IR Reflow.

14

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