HFCT-5760ATP datasheet, PDF - EEWORLD Datasheet

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HFCT-5760ATP: DescriptionFIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR; CategoryWireless rf/communication Optical fiber; File Size293KB，16 Pages; ManufacturerHP（Keysight）; Websitehttp://www.semiconductor.agilent.com/

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HFCT-5760ATP Overview

FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR

HFCT-5760ATP Parametric

Parameter Name	Attribute value
Maker	HP（Keysight）
Reach Compliance Code	unknow
Fiber optic equipment types	TRANSCEIVER
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Nominal operating wavelength	1300 nm
Maximum supply voltage	3.5 V

HFCT-5760ATP Preview

Agilent HFCT-5760TL/TP/NL/NP/ATL/

ATP/ANL/ANP Single Mode OC-3/

STM-1 Small Form Factor Pluggable

Transceivers

Part of the Agilent METRAK family

Data Sheet

Description

The HFCT-5760xxx Small Form

Factor Pluggable LC optical

transceivers are high

performance, cost effective

modules for serial data

transmission at a signal rate of

155 Mbit/s. The transceivers are

compliant with SONET/SDH and

the Small Form Factor Pluggable

(SFP) Multi-Source Agreement

(MSA) specifications. They are

designed for intermediate and

long reach applications at 155

Mbit/s.

The transceivers operate at a

nominal wavelength of 1300 nm

over single mode fiber. The

transmitter section incorporates

a highly reliable Fabry Perot

(FP) laser and uses an MOVPE

grown planar PIN photodetector

for low dark current and

excellent responsivity on the

receiver section.

Applications

OC-3 SFP transceivers are designed

for ATM LAN and WAN applications

such as:

• ATM switches and routers

• SONET/SDH switch infrastructure

• xDSL applications

• Metro edge switching

• Suitable for Fast Ethernet

applications

Related Products

• HFCT-596xx LC SFF PTH

transceivers

• HDMP-3001 Ethernet Over

SONET/SDH Mapper

Features

• Compliant with ITU-T G.957 STM-

1 S1.1 (15 km) and L1.1 (40 km)

Optical Interface

• Compliant with Telcordia GR253

OC3 IR-1 (15 km) and LR-1 (40

km) Optical Interface

• Multi-Source Agreement (MSA)

compliant SFP package

• Hot-pluggable

• Multirate operation from

125 Mb/s to 155 Mb/s

• Operating case temperature

ranges:

-40 to +85 °C (ATL/ATL/ANL/ANP)

-10 to +85 °C (TL/TP/NL/NP)

• Optional extended de-latch for

high density applications

- standard de-latch

- bail de-latch

• Manufactured in an ISO 9001

“compliant facility”

• Single +3.3 V power supply

• Class 1 CDRH/IEC 825 eye safety

compliant

• LC Duplex fiber connector

Functional Description

Receiver Section

Design

The receiver section for the

HFCT-5760xxx contains an

InGaAs/InP photo detector and

a preamplifier mounted in an

optical subassembly. This optical

subassembly is coupled to a

postamplifier/decision circuit on

a circuit board.

The postamplifier is ac coupled

to the preamplifier. The

coupling capacitors are large

enough to pass the SONET/SDH

test pattern at 155 Mb/s without

significant distortion or

performance penalty. If a lower

signal rate, or a code which has

significantly more low frequency

content is used, sensitivity, jitter

and pulse distortion could be

degraded.

There is a filter function which

limits the bandwidth of the

preamp output signal. The filter

is designed to bandlimit the

preamp output noise and thus

improve the receiver sensitivity.

Loss of Signal

The Loss of Signal (LOS) output

indicates that the optical input

signal to the receiver does not

meet the minimum detectable

level for compliant signals.

When LOS is high it indicates

loss of signal. When LOS is low

it indicates normal operation.

The Loss of Signal thresholds are

set to indicate a definite optical

fault has occurred (eg.,

disconnected or broken fiber

connection to receiver, failed

transmitter).

Transmitter Section

Design

A schematic diagram for the

transceiver is shown in Figure 1.

The HFCT-5760xxx incorporates

an FP laser as its optical source.

All part numbers have been

designed to be compliant with

IEC 825 eye safety requirements

under any single fault condition

and CDRH under normal

operating conditions. The

optical output is controlled by a

custom IC that detects the laser

output via the monitor

photodiode. This IC provides

both dc and ac current drive to

the laser to ensure correct

modulation, eye diagram and

extinction ratio over

temperature, supply voltage and

operating life.

Tx Fault

The HFCT-5760xxx module

features a transmit fault control

signal output which when high

indicates a laser transmit fault

has occurred and when low

indicates normal laser

operation. A transmitter fault

condition can be caused by

deviations from the

recommended module operating

conditions or by violation of eye

safety conditions. A fault is

cleared by cycling the Tx Disable

control input.

TRANS-

IMPEDANCE

PRE-

AMPLIFIER

FILTER

AMPLIFIER

OUTPUT

BUFFER

DATA OUT

ELECTRICAL INTERFACE

DATA OUT

Tx Disable

The HFCT-5760xxx accepts a

transmit disable control signal

input which shuts down the

transmitter. A high signal

implements this function while a

low signal allows normal laser

operation. In the event of a fault

(eg., eye safety circuit

activated), cycling this control

signal resets the module. The Tx

Disable control should be

actuated upon initialization of

the module.

LOS

PHOTODIODE

LASER

BIAS

CONTROL

MODULATOR

SAFETY

CIRCUITRY

DATA IN

TX_DISABLE

TX_FAULT

LASER

DRIVER

MOD-DEF (2)

EEPROM

MOD-DEF (1)

MOD-DEF (0)

Figure 1. Transceiver functional diagram

Module Description

The transceiver meets the Small

Form Pluggable (SFP) industry

standard package utilizing an

integral LC-Duplex optical

interface connector. The hot-

pluggable capability of the SFP

package allows the module to be

installed at any time - with the

host system operating and on-

line. This allows for system

configuration changes or

maintenance without system

down time. The HFCT-5760xxx

uses a reliable 1300 nm FP laser

source and requires a 3.3 V dc

power supply for optimal design.

3.3 V

10 µF

0.1 µF

Module Diagrams

Figure 1 illustrates the major

functional components of the

HFCT-5760xxx. The connection

diagram of the module is shown

in Figure 4. Figure 2 depicts the

external configuration of the

module. Figure 3 depicts the

MSA recommended power

supply filter.

1 µH

3.3 V

0.1 µF

4.7 K to 10 K

Tx Dis

Tx_FAULT

SO+

SOñ

50 W

Tx_DISABLE

Tx_FAULT

TD+

TDñ

TX GND

0.01 µF

100

0.01 µF

AMPLIFICATION

QUANTIZATION

0.01 µF

100

LASER DRIVER

& SAFETY

CIRCUITRY

4.7 K to 10 K

HFCT-5760xx

Installation

The HFCT-5760xxx can be

installed in or removed from any

Multisource Agreement (MSA) -

compliant Small Form Pluggable

port regardless of whether the

host equipment is operating or

not. The module is simply

inserted, electrical interface

first, under finger pressure.

Controlled hot-plugging is

ensured by design and by 3-

stage pin sequencing at the

electrical interface. The module

housing makes initial contact

with the host board EMI shield

mitigating potential damage due

to Electro-Static Discharge

(ESD). The 3-stage pin contact

sequencing involves (1) Ground,

(2) Power, and then (3) Signal

pins, making contact with the

host board surface mount

connector in that order.

PROTOCOL

SI+

SIñ

Rx_LOS

4.7 K to 10 K

10 µF

50 W

TD-

TD+

RD+

RD-

TOP OF BOARD

Tx FAULT

TxDISABLE

MOD-DEF(2)

MOD-DEF(1)

MOD-DEF(0)

RATE SELECT

LOS

0.1

µF

RD+

RDñ

Rx_LOS

RX GND

MOD_DEF2

PC MASTER

4.7 K to

10 K

4.7 K to

10 K

MOD_DEF1

MOD_DEF0

4.7 K to

10 K

EEPROM

BOTTOM OF BOARD

(AS VIEWED THROUGH TOP OF BOARD)

3.3 V

Figure 4. Connection diagram of module

printed circuit board

Figure 2. Recommended application configuration

1 µH

0.1 µF

1 µH

0.1 µF

10 µF

0.1 µF

10 µF

3.3 V

SFP MODULE

HOST BOARD

NOTE: INDUCTORS MUST HAVE LESS THAN 1

Ω

SERIES RESISTANCE PER MSA.

Figure 3. MSA required power supply filter

Table 1. Pin-out Table

The pin arrangement and definition of this product meets SFP MSA. Table 1 lists the pin description.

Name

VeeT

TX Fault

TX Disable

MOD-DEF2

MOD-DEF1

MOD-DEF0

Rate Select

LOS

VeeR

RD-

RD+

VeeR

VccR

VccT

VeeT

TD+

TD-

VeeT

Function/Description

Transmitter Ground

Transmitter Fault Indication

Transmitter Disable - Module disables on high or open

Module Definition 2 - Two wire serial ID interface

Module Definition 1 - Two wire serial ID interface

Module Definition 0 - Grounded in module

Not Connected

Loss of Signal

Receiver Ground

Inverse Received Data Out

Received Data Out

Receiver Ground

Receiver Power - 3.3 V ±5%

Transmitter Power - 3.3 V ±5%

Transmitter Ground

Transmitter Data In

Inverse Transmitter Data In

Transmitter Ground

MSA Notes

Note 1

Note 2

Note 3

Note 4

Note 5

Note 6

Note 5

Note 7

Note 5

Note 8

Note 5

Notes:

1. TX Fault is an open collector/drain output which should be pulled up externally with a 4.7K – 10 KW resistor on the host board to a supply < Vcc + 0.3

V. When high, this output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8 V.

2. TX disable input is used to shut down the laser output per the state table below with an external 4.7-10 KW4 pull-up resistor.

Low (0 – 0.8 V):

Transmitter on

Between (0.8 V and 2.0 V): Undefined

High (2.0 – 3.465 V):

Transmitter Disabled

Open:

Transmitter Disabled

3. Mod-Def0,1,2. These are the module definition pins. They should be pulled up with a 4.7-10 KW resistor on the host board to a supply less than VccT

(0.3 V or VccR + 0.3 V.

Mod-Def 0 is grounded by the module to indicate that the module is present

Mod-Def 1 is clock line of two wire serial interface for optional serial ID

Mod-Def 2 is data line of two wire serial interface for optional serial ID

4. LOS (Loss of Signal) is an open collector/drain output which should be pulled up externally with a 4.7K – 10 KW resistor on the host board to a supply

< VccT,R + 0.3 V. When high, this output indicates the received optical power is below the worst case receiver sensitivity (as defined by the standard

in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8 V. Please see later section for LOS timing.

5. VeeR and VeeT may be internally connected within the SFP module

6. RD-/+: These are the differential receiver outputs. They are ac coupled 100

differential lines which should be terminated with 100

differential at

the user SERDES. The ac coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be

between 370 and 2000 mV differential (185 – 1000 mV single ended) when properly terminated.

7. VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.1 – 3.5 V at the SFP connector pin. The maximum supply

current is 300 mA.

8. TD-/+: These are the differential transmitter inputs. They are ac coupled differential lines with 100

differential termination inside the module. The

ac coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 –

1200 mV single ended).

Serial Identification (EEPROM)

identification protocol. This

The HFCT-5760TL/TP is

protocol uses the 2-wire serial

compliant with the SFP MSA,

CMOS E2PROM protocol of the

which defines the serial

ATMEL AT24C01A or similar.

Table 2. EEPROM Serial ID Memory Contents

Addr

MSA compliant, example

contents of the HFCT-5760TL/

TP serial ID memory are defined

in Table 2.

ASCII

Addr

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

Hex

ASCII

Addr

Hex

99, Note 3

ASCII

Addr

Hex

Note 1

Note 2

Note 3

Hex

Note 4

ASCII

Notes:

1. Address 68-83 specify a unique identifier.

2. Address 84-91 specify the date code.

3. Addresses 63 and 95 are check sums. Address 63 is the check sum for bytes 0-62 and address 95 is the check sum for bytes 64-94.

4. Address 96-127 is vendor specific data.

More (Only the first 5 pages are displayed. Please Download Datasheet to view the full content.) >

HFCT-5760ATP Related Products

	HFCT-5760ATP	HFCT-5760NL	HFCT-5760NP	HFCT-5760TL	HFCT-5760TP	HFCT-5760ATL	HFCT-5760ANP	HFCT-5760ANL
Description	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR	FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, LC CONNECTOR
Maker	HP（Keysight）	HP（Keysight）	HP（Keysight）	HP（Keysight）	HP（Keysight）	HP（Keysight）	HP（Keysight）	HP（Keysight）
Reach Compliance Code	unknow	unknow	unknow	unknow	unknow	unknow	unknow	unknown
Fiber optic equipment types	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER	TRANSCEIVER
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-10 °C	-10 °C	-10 °C	-10 °C	-40 °C	-40 °C	-40 °C
Nominal operating wavelength	1300 nm	1300 nm	1300 nm	1300 nm	1300 nm	1300 nm	1300 nm	1300 nm
Maximum supply voltage	3.5 V	3.5 V	3.5 V	3.5 V	3.5 V	3.5 V	3.5 V	3.5 V

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