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HFBR-2464K

Low Cost, Miniature Fiber Optic Components with ST®, SMA, SC and FC Ports

HP => Agilent Technologies 

HFBR-24X2 Low-Cost

5 MBd Receiver

Description

The HFBR-24X2 fiber optic

receiver is designed to operate

with the Hewlett-Packard HFBR-

14XX fiber optic transmitter and

50/125 µm, 62.5/125 µm, 100/

140 µm, and 200 µm HCS® fiber

optic cable. Consistent coupling

into the receiver is assured by the

lensed optical system (Figure 1).

Response does not vary with fiber

size ≤ 0.100 µm.

The HFBR-24X2 receiver incor-

porates an integrated photo IC

containing a photodetector and

dc amplifier driving an open-

collector Schottky output

transistor. The HFBR-24X2 is

designed for direct interfacing to

popular logic families. The

absence of an internal pull-up

resistor allows the open-collector

output to be used with logic

families such as CMOS requiring

voltage excursions much higher

than VCC.

Both the open-collector “Data”

output Pin 6 and VCC Pin 2 are

referenced to “Com” Pin 3, 7. The

“Data” output allows busing,

strobing and wired “OR” circuit

configurations. The transmitter is

designed to operate from a single

+5 V supply. It is essential that a

bypass capacitor (0.1 µF

ceramic) be connected from

Pin 2 (VCC) to Pin 3 (circuit

common) of the receiver.

Housed Product

Unhoused Product

PIN FUNCTION

1 VCC (5 V)

2 COMMON

3 DATA

4 COMMON

Absolute Maximum Ratings

Parameter

Storage Temperature

Operating Temperature

Lead Soldering Cycle

Temp.

Time

Supply Voltage

Output Current

Output Voltage

Output Collector Power Dissipation

Fan Out (TTL)

Symbol

TS

TA

VCC

IO

VO

PO AV

N

Min.

-55

-40

-0.5

-0.5

Max.

+85

+85

+260

10

7.0

25

18.0

40

5

Units

°C

°C

°C

sec

V

mA

V

mW

Reference

Note 1

Note 2

65

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