LTC1045 查看數據表（PDF） - Linear Technology

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LTC1045

Programmable Micropower Hex Translator/Receiver/Driver

Linear Technology 

LTC1045

Programmable

Micropower Hex Translator/

Receiver/Driver

FEATURES

s Efficiently Translate Voltage Levels

s Internal Hysteresis for Noise Immunity

s Output Latches Included

s Three-State Outputs

s Programmable Power/Speed

s Power Can Be Completely Shut Off

s ±50V on Inputs with External 100k Limit Resistor

s 1.2µs Response at 100µA Supply Current

U

APPLICATIO S

s TTL/CMOS to ±5V Analog Switch Drive

s TTL to CMOS (3V to 15V VCC)

s ECL to CMOS (3V to 15V VCC)

s Ground Isolation Buffer

s Low Power RS232 Line Receiver

DESCRIPTIO

The LTC®1045 is a hex level translator manufactured using

Linear Technology’s enhanced LTCMOSTM silicon gate

process. It consists of six high speed comparators with

output latches and three-state capability. Each compara-

tor’s plus input is brought out separately. The minus inputs

of comparators 1 to 4 are tied to VTRIP1 while 5 and 6 are

tied to VTRIP2.

The ISET pin has several functions. When taken to V + the

outputs are latched and power is completely shut off.

Power/speed can be programmed by connecting ISET to V –

through an external resistor.

, LTC and LT are registered trademarks of Linear Technology Corporation.

LTCMOS is a trademark of Linear Technology Corporation.

TYPICAL APPLICATIO

5V

TTL IN

1.4V

XMT IN

20

V+

+

1

VOH

VOL

XMT OUT

DIS 11

– ISET 13

V– 12

10

Flat Ribbon Cable Driver/Receiver

5V

66-FT FLAT RIBBON CABLE

ZO = 150Ω

ADJACENT CONDUCTORS

RCV IN

150Ω

0.5V

20

V+

+

1

VOH

VOL

RCV OUT

DIS 11

– ISET 13

V– 12

10

TTL OUT

1045 TA01

XMT IN (5V/DIV)

XMT OUT (1V/DIV)

RCV IN (1V/DIV)

RCV OUT (5V/DIV)

100ns/DIV

045 TA01a

1045fc

1

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