Datasheet > 驱动程序和接口 > 线路驱动器或接收器> DS8922MDC

DS8922MDC

更新时间： 2024-11-29 13:07:27

品牌	Logo	应用领域
美国国家半导体 - NSC		驱动器
页数	文件大小	规格书
14页	489K
描述
IC DUAL LINE TRANSCEIVER, UUC, DIE, Line Driver or Receiver

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技术参数
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DS8922MDC 技术参数

生命周期：	Obsolete	包装说明：	DIE, DIE OR CHIP
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.64
差分输出：	YES	驱动器位数：	2
高电平输入电流最大值：	0.00002 A	输入特性：	DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：	LINE TRANSCEIVER	接口标准：	EIA-422; ESDI; ST412; ST506
JESD-30 代码：	X-XUUC-N	功能数量：	2
最高工作温度：	70 °C	最低工作温度：
最小输出摆幅：	2 V	最大输出低电流：	0.008 A
封装主体材料：	UNSPECIFIED	封装代码：	DIE
封装等效代码：	DIE OR CHIP	封装形状：	UNSPECIFIED
封装形式：	UNCASED CHIP	电源：	5 V
认证状态：	Not Qualified	最大接收延迟：	22.5 ns
接收器位数：	2	子类别：	Line Driver or Receivers
最大压摆率：	78 mA	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	技术：	BIPOLAR
温度等级：	COMMERCIAL	端子形式：	NO LEAD
端子位置：	UPPER	最大传输延迟：	15 ns
Base Number Matches：	1

DS8922MDC 数据手册

June 1998

DS8922/DS8922A/DS8923A TRI-STATE^®

RS-422 Dual Differential Line Driver and Receiver Pairs

Power up/down circuitry is featured which will TRI-STATE

the outputs and prevent erroneous glitches on the transmis-

sion lines during system power up or power down operation.

General Description

The DS8922/22A and DS8923A are Dual Differential Line

Driver and Receiver pairs. These devices are designed spe-

The DS8922/22A and DS8923A are designed to be compat-

cifically for applications meeting the ST506, ST412 and

ible with TTL and CMOS.

ESDI Disk Drive Standards. In addition, the devices meet the

requirements of the EIA Standard RS-422.

Features

These devices offer an input sensitivity of 200 mV over a

n 12 ns typical propagation delay

7V common mode operating range. Hysteresis is incorpo-

n Output skew — 0.5 ns typical

n Meets the requirements of EIA Standard RS-422

n Complementary Driver Outputs

rated (typically 70 mV) to improve noise margin for slowly

changing input waveforms. An input fail-safe circuit is pro-

vided such that if the receiver inputs are open the output as-

sumes the logical one state.

n High differential or common-mode input voltage ranges

The DS8922A and DS8923A drivers are designed to provide

unipolar differential drive to twisted pair or parallel wire trans-

mission lines. Complementary outputs are logically ANDed

and provide an output skew of 0.5 ns (typ.) with propagation

delays of 12 ns.

of 7V

0.2V receiver sensitivity over the input voltage range

n Receiver input fail-safe circuitry

n Receiver input hysteresis — 70 mV typical

n Glitch free power up/down

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.

n TRI-STATE outputs

Connection Diagrams

DS8922A Dual-In-Line

DS008511-1

Order Number DS8922M, DS8922N,

DS8922AM or DS8922AN

See NS Package Number M16A or N16E

TRI-STATE^®is a registered trademark of National Semiconductor Corp.

DS008511

www.national.com

12 3 4 5 6 7...14

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与DS8922MDC相关器件

型号	品牌	获取价格	描述	数据表
DS8922MWC	NSC	获取价格	IC DUAL LINE TRANSCEIVER, UUC, WAFER, Line Driver or Receiver
DS8922MX	TI	获取价格	DUAL LINE TRANSCEIVER, PDSO16, 0.150 INCH, PLASTIC, SOP-16
DS8922N	NSC	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922N	TI	获取价格	DUAL LINE TRANSCEIVER, PDIP16, PLASTIC, DIP-16
DS8922N/NOPB	TI	获取价格	DUAL LINE TRANSCEIVER, PDIP16, PLASTIC, DIP-16
DS8923	NSC	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8923A	NSC	获取价格
DS8923A	TI	获取价格	TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8923AJ	ETC	获取价格	Transceiver
DS8923AM	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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