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74OL6010S

Optoplanar® High-Speed Logic-to-Logic Optocouplers

Fairchild Semiconductor 

November 2007

74OL6000, 74OL6001, 74OL6010, 74OL6011

tm

Optoplanar® High-Speed Logic-to-Logic Optocouplers

LSTTL to

TTL Buffer

TTL Inverter

CMOS Buffer

CMOS Inverter

74OL6000

74OL6001

74OL6010

74OL6011

Features

■ Industry first LSTTL to TTL and LSTTL to CMOS

complete logic-to-logic optocoupler

■ Incorporates LED drive circuitry — use as a logic gate

■ Very high speed

■ Choice of buffer or inverter

■ Choice of TTL or CMOS compatible output up to 15

volts

■ Fan-out of 10 TTL loads, fan-in 1 LSTTL load

■ Internal noise shield — very high CMR of ±15kV/µS

■ UL recognized (File #E90700)

■ Same noise immunity as LSTTL/TTL.

Applications

■ Transmission line interface — receiver and driver

■ Excellent as bridged receiver in fast LAN highways

■ Bus interface

■ Logic family interface with ground loop noise

elimination

■ High speed AC/DC voltage sensing

■ Driver for power semiconductor devices

■ Level shifting

■ Replaces fast pulse transformers

Description

OPTOLOGIC™ is the first family of truly logic compatible

optically coupled logic interface gates.

The family consists of four device types offering LSTTL

to TTL and LSTTL to CMOS interfacing. Each of these

interfacing functions is available as a buffer (A = B), or

as an inverter (A = B).

The LSTTL input compatibility is provided by an input

integrated circuit, with industry standard logic levels.

This input amplifier IC switches a temperature compen-

sated current source driving a high speed 850nm

AlGaAs LED emitter. This novel integration scheme

eliminates CTR degradation over time and temperature.

The emitter is optically coupled to an integrated photode-

tector/high-gain, high-speed output amplifier IC. The

superior 15kV/µS common-mode noise rejection is

ensured through the use of an optically transparent

noise shield.

The TTL compatible output has a totem-pole with a

fan-out of 10. The CMOS compatible output has an open

collector Schottky-clamped transistor that interfaces to

any CMOS logic between 4.5 and 15 volts. The

74OL6010/11 may also by used to drive power MOSFETs

or transistors up to 15 volts.

The Optologic coupler family typically offers propagation

of delays of 60 ns and can support 15 MBaud data

communication.

The two input chips and the output chip are assembled

in a 6-pin DIP high insulation voltage plastic package.

Fairchild’s proprietary OPTOPLANAR® construction pro-

vides a withstand test voltage of 5300 VRMS (1 minute).

Package

Symbol

6

6

1

1

6

1

©2000 Fairchild Semiconductor Corporation

74OL60XX Rev. 1.0.4

BUFFER

INVERTER

www.fairchildsemi.com

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