Datasheet > DS8922

DS8922

更新时间： 2024-11-03 02:58:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
20页	1290K
描述
TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs

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DS8922 数据手册

DS8922, DS8922A, DS8923A

www.ti.com

SNLS373B –JUNE 1998–REVISED APRIL 2013

DS8922/DS8922A/DS8923A TRI-STATE RS-422 Dual Differential Line Driver and Receiver

Pairs

Check for Samples: DS8922, DS8922A, DS8923A

FEATURES

DESCRIPTION

•

12 ns Typical Propagation Delay

Output Skew—±0.5 ns Typical

The DS8922/22A and DS8923A are Dual Differential

Line Driver and Receiver pairs. These devices are

designed specifically for applications meeting the

ST506, ST412 and ESDI Disk Drive Standards. In

addition, the devices meet the requirements of the

EIA Standard RS-422.

•

Meets the Requirements of EIA Standard RS-

422

•

Complementary Driver Outputs

High Differential or Common-Mode Input

Voltage Ranges of ±7V

These devices offer an input sensitivity of 200 mV

over

±7V common mode operating range.

•

±0.2V Receiver Sensitivity over the Input

Voltage Range

Hysteresis is incorporated (typically 70 mV) to

improve noise margin for slowly changing input

waveforms. An input fail-safe circuit is provided such

that if the receiver inputs are open the output

assumes the logical one state.

•

Receiver Input Fail-Safe Circuitry

Receiver Input Hysteresis—70 mV typical

Glitch Free Power Up/Down

The DS8922A and DS8923A drivers are designed to

provide unipolar differential drive to twisted pair or

parallel wire transmission lines. Complementary

outputs are logically ANDed and provide an output

skew of 0.5 ns (typ.) with propagation delays of 12

ns.

TRI-STATE Outputs

Both devices feature TRI-STATE outputs. The

DS8922/22A have independent control functions

common to a driver and receiver pair. The DS8923A

has separate driver and receiver control functions.

Power up/down circuitry is featured which will TRI-

STATE the outputs and prevent erroneous glitches on

the transmission lines during system power up or

power down operation.

The DS8922/22A and DS8923A are designed to be

compatible with TTL and CMOS.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...20

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与DS8922相关器件

型号	品牌	获取价格	描述	数据表
DS8922_04	NSC	获取价格	RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922_15	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922A	NSC	获取价格
DS8922A	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922AJ	ETC	获取价格	Transceiver
DS8922AM	NSC	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922AM	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922AM/NOPB	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Drivers and Receiver Pair 16-SOIC 0 to 70
DS8922AMX	TI	获取价格	DUAL LINE TRANSCEIVER, PDSO16, PLASTIC, MS-012AC, SOIC-16
DS8922AMX/NOPB	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Drivers and Receiver Pair 16-SOIC 0 to 70

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