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SN75LBC968DLR

更新时间： 2024-11-06 13:02:11
品牌 Logo 应用领域
德州仪器 - TI 总线收发器
页数 文件大小 规格书
16页 235K
描述
9-Channel Bus Transceiver With Active Termination 56-SSOP

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SN75LBC968DLR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SSOP包装说明：SSOP,
针数：56Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.61
差分输出：NO驱动器位数：9
输入特性：SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：X3.131; SCSI-2; SCSI-3JESD-30 代码：R-PDSO-G56
JESD-609代码：e4长度：18.415 mm
湿度敏感等级：2功能数量：9
端子数量：56最高工作温度：70 °C
最低工作温度：输出极性：INVERTED
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
最大接收延迟：25 ns接收器位数：9
座面最大高度：2.79 mm最大压摆率：45 mA
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.635 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：45 ns
宽度：7.5 mmBase Number Matches：1

SN75LBC968DLR 数据手册

 浏览型号SN75LBC968DLR的Datasheet PDF文件第2页浏览型号SN75LBC968DLR的Datasheet PDF文件第3页浏览型号SN75LBC968DLR的Datasheet PDF文件第4页浏览型号SN75LBC968DLR的Datasheet PDF文件第5页浏览型号SN75LBC968DLR的Datasheet PDF文件第6页浏览型号SN75LBC968DLR的Datasheet PDF文件第7页 
SN75LBC968  
9-CHANNEL BUS TRANSCEIVER  
WITH ACTIVE TERMINATION  
SLLS179C – APRIL 1994 – REVISED JANUARY 1999  
DL PACKAGE  
(TOP VIEW)  
Nine Single-Ended SCSI Transceiver  
Channels With Active Termination  
Programmable Drivers Provide Active  
Negation (Totem Pole) or Wired-OR (Open  
Drain) Outputs  
GND  
TE  
GND  
1A  
8B  
GND  
1
56  
55  
2
3
54 CE  
24-mA Current-Mode Active Termination  
With Common Nine-Channel Bus Enable  
4
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
NC  
NC  
NC  
7B  
NC  
6B  
5
1DE/RE  
2A  
2DE/RE  
3A  
3DE/RE  
4A  
4DE/RE  
Low Output Capacitance Presented to SCSI  
Bus, 13.5 pF Typ  
6
7
8
3.3 V Compatible Logic Inputs Provide  
Bridge from 3 V Controllers to 5 V SCSI  
Bus  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
NC  
5B  
Designed to Operate at 10-Million Data  
Transfers Per Second (Fast-SCSI)  
V
V
CC1  
CC  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
Controlled Driver Rise and Fall Times  
5 ns Min  
High-Receiver Input-Voltage Hysteresis  
500 mV Typ  
Receiver Input-Noise Pulse Filter  
5 ns Typ  
V
V
CC  
5A  
CC  
NC  
4B  
NC  
3B  
NC  
2B  
NC  
1B  
NC  
9B  
5DE/RE  
6A  
6DE/RE  
7A  
7DE/RE  
8A  
8DE/RE  
9A  
Each Driver and Receiver Meets ANSI  
X3.131-1994 (SCSI-2) and the Proposed  
SCSI-3 Standards  
Power-Up/Power-Down Glitch Protection  
High Impedance Driver With V  
at 0 V  
CC  
description  
The SN75LBC968 is a nine-channel transceiver  
with active termination that drives and receives  
the signals from the single-ended, parallel data  
buses such as the Small Computer-Systems  
9DE/RE  
NC – No internal connection  
Interface (SCSI) bus. The features of the line drivers, receivers, and active-termination circuits provide the  
optimum signal-to-noise ratios for reliable data transmission. Integration of the termination and transceivers in  
the LinBiCMOS process provides the necessary analog-circuit performance, has low quiescent power, and  
reduces the capacitance presented to the bus over separate termination and I/O circuits.  
The transceivers of the SN75LBC968 can be enabled to function as totem-pole or open-drain outputs. The  
open-drain mode drives the wired-OR lines of SCSI (BSY, SEL, and RST) by inputting the data to the direction  
control input DE/RE instead of the A input. When driving the data through the A input, the outputs become totem  
poles and provide active signal negation for a higher voltage level on low-to-high signal transitions on heavily  
loaded buses. In either mode, the turn-on and turn-off output transition times are limited to minimize crosstalk  
through capacitive coupling to adjacent lines and RF emissions from the cable. The receivers are also designed  
for optimum analog performance by precisely controlling the input-voltage thresholds, providing wide  
input-voltage hysteresis and including an input-noise filter. These features significantly increase the likelihood  
of detecting only the desired data signal and rejecting noise.  
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.  
LinBiCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...16

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SN75LBC968DLR 替代型号

型号 品牌 替代类型 描述 数据表
SN75LBC968DL TI

完全替代

 9-CHANNEL BUS TRANSCEIVER WITH ACTIVE TERMINATION

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