CXB1583Q Ver la hoja de datos (PDF) - Sony Semiconductor

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CXB1583Q

266Mbaud Fibre Channel Transceiver IC

Sony Semiconductor 

CXB1583Q

Pin

No.

Symbol

Type

Typical pin

I/O voltage

ECL

47,

48

TXSOUT output

TXSOUT∗ (differ-

ECL level

ential)

Equivalent circuit

Description

VCCE

ECL-OUT

ECL-OUT∗

Parallel/serial

conversion output.

This output is

enabled when

TXSER is high.

VEEE

49, ECK

50 ECK∗

51 VCCP

VCCE

ECL

output

(differ-

ential)

One is left

open; another

is connected

to Vcc via

47kΩ.

ECL-IN

ECL-IN∗

VEEE

Power

supply

3.3V

Ex-

52, LPFA

53 LPFB

ternal

part

con-

—

nection

VCCP

LPF_C

LPF_D

VEEP2

54, VEEP1

55 VEEP2

Power

supply

0V

Ex-

ternal

56 REXT

part

—

con-

nection

VCCG

VCCE – 1.3V

Test pin.

Connect either of

these pins to Vcc via

a 47kΩ resistor.

VEEG

—

Positive power supply

for internal PLL.

RX_PLL external loop

filter connection.

(See Fig. 1 of the

Notes on Operation.)

VEEP1

—

Negative power supply

for internal PLL.

VCCP

REXT

Connects the resistor

which determines the

VCO center frequency.

(See Fig. 1 of the

Notes on Operation.)

VEEP2

–7–

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