Datasheet > DS3897MX/NOPB

DS3897MX/NOPB

更新时间： 2024-11-07 20:06:59

品牌	Logo	应用领域
德州仪器 - TI		驱动光电二极管接口集成电路驱动器
页数	文件大小	规格书
9页	650K
描述
QUAD LINE TRANSCEIVER, PDSO20, 0.300 INCH, PLASTIC, SOP-20

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DS3897MX/NOPB 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SOP,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.83	差分输出：	NO
驱动器位数：	4	输入特性：	SCHMITT TRIGGER
接口集成电路类型：	LINE TRANSCEIVER	接口标准：	GENERAL PURPOSE
JESD-30 代码：	R-PDSO-G20	JESD-609代码：	e3
长度：	12.8 mm	湿度敏感等级：	3
功能数量：	4	端子数量：	20
最高工作温度：	70 °C	最低工作温度：
输出特性：	OPEN-COLLECTOR	输出极性：	INVERTED
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
最大接收延迟：	18 ns	接收器位数：	4
座面最大高度：	2.65 mm	最大压摆率：	80 mA
表面贴装：	YES	技术：	BIPOLAR
温度等级：	COMMERCIAL	端子面层：	TIN
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
最大传输延迟：	15 ns	宽度：	7.5 mm
Base Number Matches：	1

DS3897MX/NOPB 数据手册

January 1996

DS3896/DS3897

BTL Trapezoidal Transceivers

General Description

™

with a pull up resistor to 2V at both ends. The device can

drive an equivalent DC load of 18.5Ω (or greater) in the

above configuration.

These advanced transceivers are specifically designed to

overcome problems associated with driving a densely popu-

lated backplane, and thus provide significant improvement in

both speed and data integrity. Their low output capacitance,

low output signal swing and noise immunity features make

them ideal for driving low impedance buses with minimum

power consumption.

These signalling requirements, including a 1 volt signal

swing, low output capacitance and precise receiver thresh-

olds are referred to as Bus Transceiver Logic (BTL).

Features

n 8 bit DS3896 transceiver provides high package density

n 4 bit DS3897 transceiver provides separate driver input

and receiver output pins

The DS3896 is an octal high speed schottky bus transceiver

with common control signals, whereas the DS3897 is a quad

device with independent driver input and receiver output

pins. The DS3897 has a separate driver disable for each

driver and is, therefore, suitable for arbitration lines. The

separate driver disable pins (En) feature internal pull ups

and may be left open if not required. On the other hand, the

DS3896 provides high package density for data/address

lines.

n BTL compatible

n Less than 5 pF output capacitance for minimal bus

n 1 Volt bus signal swing reduces power consumption

n Trapezoidal driver waveforms (t_r, t_f. 6 ns typical)

reduce noise coupling to adjacent lines

n Temperature insensitive receiver thresholds track the

bus logic high level to maximize noise immunity in both

high and low states

n Guaranteed A.C. specifications on noise immunity and

propagation delay over the specified temperature and

supply voltage range

n Open collector driver output allows wire-or connection

n Advanced low power schottky technology

n Glitch free power up/down protection on driver and

receiver outputs

n TTL compatible driver and control inputs and receiver

outputs

The open collector drivers generate precise trapezoidal

waveforms, which are relatively independent of capacitive

loading conditions on the outputs. This significantly reduces

noise coupling to adjacent lines. In addition, the receivers

use a low pass filter in conjunction with a high speed com-

parator, to further enhance the noise immunity and provide

equal rejection to both negative and positive going noise

pulses on the bus.

To minimize bus loading, these devices also feature a schot-

tky diode in series with the open collector output that isolates

the driver output capacitance in the disabled state. The

output low voltage is typically “1V” and the output high level

is intended to be 2V. This is achieved by terminating the bus

Logic Diagrams

DS3897N, M

DS3896N, M

00851002

00851001

Order Numbers DS3896M, DS3896N, DS3897M or DS3897N

See NS Package Number M20B or N20A

™

Trapezoidal is a trademark of National Semiconductor Corporation.

DS008510

www.national.com

12 3 4 5 6 7...9

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与DS3897MX/NOPB相关器件

型号	品牌	获取价格	描述	数据表
DS3897N	NSC	获取价格	BTL Trapezoidal⑩ Transceivers
DS3897N/A+	ETC	获取价格	4-Bit Bus Transceiver
DS3897N/B+	ETC	获取价格	4-Bit Bus Transceiver
DS3897N/NOPB	TI	获取价格	QUAD LINE TRANSCEIVER, PDIP20, PLASTIC, DIP-20
DS3897V	ETC	获取价格	4-Bit Bus Transceiver
DS3898	NSC	获取价格	Octal Trapezoidal Repeater
DS3898J	NSC	获取价格	Octal Trapezoidal Repeater
DS3898J/A+	ETC	获取价格	Repeater Interface
DS3898N	NSC	获取价格	Octal Trapezoidal Repeater
DS3898N/A+	ETC	获取价格	Repeater Interface

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