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UCC5680PW28 PDF预览

UCC5680PW28

更新时间: 2024-09-20 15:55:55
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管接口集成电路
页数 文件大小 规格书
9页 163K
描述
9 Line 2.7- 5V LVD Terminator for Ultra2 through Ultra320 SCSI w/ SPI-3 Mode Change Delay 28-TSSOP 0 to 70

UCC5680PW28 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:TSSOP, TSSOP28,.25针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.8差分输出:YES
接口集成电路类型:SCSI BUS TERMINATORJESD-30 代码:R-PDSO-G28
JESD-609代码:e4长度:9.7 mm
湿度敏感等级:1功能数量:1
信号线数量:9端子数量:28
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP28,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:3/5 V标称上拉电阻:105 Ω
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Bus Terminators最大供电电压:5.25 V
最小供电电压:2.7 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:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

UCC5680PW28 数据手册

 浏览型号UCC5680PW28的Datasheet PDF文件第2页浏览型号UCC5680PW28的Datasheet PDF文件第3页浏览型号UCC5680PW28的Datasheet PDF文件第4页浏览型号UCC5680PW28的Datasheet PDF文件第5页浏览型号UCC5680PW28的Datasheet PDF文件第6页浏览型号UCC5680PW28的Datasheet PDF文件第7页 
ꢀ ꢁꢁ ꢂꢃ ꢄꢅ  
ꢆ ꢇꢈ ꢉꢊꢋ ꢈꢌ ꢍ ꢎ ꢊꢈꢏ ꢐꢁꢐ ꢉ ꢑ ꢋꢒꢓ ꢉ ꢊꢔꢑꢎ ꢒ  
ꢕ ꢉꢑ ꢖ ꢉꢊ ꢑꢋ ꢗ ꢒꢔꢑ ꢋꢍ ꢐꢘ ꢉꢇꢙ ꢍ ꢋꢈ ꢔꢏ ꢐ  
SLUS313D − MARCH 1999 - REVISED NOVEMBER 2003  
D
D
D
D
LVD-Only Active Termination  
2.7 V to 5.25 V Operation  
D
Standards Supported: SPI-2, SPI-3, SPI-4,  
Ultra2 (Fast 40), Ultra3/Ultra160 (Fast 80)  
and Ultra320 (Fast 160)  
Differential Failsafe Bias  
Built-In SPI-3 Mode Change Filter/Delay  
description  
The UCC5680 is an LVD-only Small Computer System Interface (SCSI) terminator that integrates the mode  
change delay function required by the SPI-3 specification. The device senses what types of SCSI drivers are  
present on the bus via the voltage on the DIFFSENS SCSI control line. Single-ended (SE) and high-voltage  
differential (HVD) SCSI drivers (EIA485) are not supported. If the chip detects the presence of an SE or HVD  
SCSI driver, it disconnects itself by switching all terminating resistors off the bus and enters a high-impedance  
state. The terminator can also be commanded to disconnect the terminating resistors with the DISCNCT input.  
Impedance is trimmed for accuracy and maximum effectiveness. Bus lines are biased to a failsafe state to  
ensure signal integrity.  
The UCC5680 is offered in both 24-pin and 28-pin TSSOP (PW) packages for a temperature range of 0°C to  
70°C.  
functional block diagram  
HIGH−VOLTAGE  
DIFFERENTIAL  
2.15 V  
+
100 ms  
TO  
LOW−VOLTAGE  
DIFFERENTIAL  
DIFFB 11  
300 ms  
DELAY/  
FILTER  
27  
LVD{  
+
0.6 V  
SINGLE−ENDED  
−15 mAI  
−5 mA  
SOURCE  
REF  
1.3V  
12 DIFSENS  
µ
µ
50  
A
I
200 A  
SINK  
124  
56 mV  
REF  
1.25V  
52  
52  
µ
A
10  
+
4
3
L1 −  
L1+  
ENABLE  
DISCNCT 15  
TRMPWR 28  
56 mV  
+
MODE ALL SWITCHES  
124  
56 mV  
SE  
LVD  
HVD  
OPEN  
DOWN  
OPEN  
OPEN  
52  
52  
+
25 L9 −  
26 L9+  
56 mV  
DISCNCT  
+
14  
GND  
1
{28-PIN PACKAGE ONLY  
REG  
UDG−00067  
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.  
ꢑꢦ  
Copyright 2000, Texas Instruments Incorporated  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
1
www.ti.com  

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