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UCC5628FQP PDF预览

UCC5628FQP

更新时间: 2024-11-08 03:11:39
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
5页 71K
描述
Multimode SCSI 14 Line Terminator

UCC5628FQP 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:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.67差分输出:YES
接口集成电路类型:SCSI BUS TERMINATORJESD-30 代码:S-PQFP-G48
JESD-609代码:e4长度:7 mm
湿度敏感等级:3功能数量:1
信号线数量:14端子数量:48
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:LFQFP
封装等效代码:QFP48,.35SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE 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:1.6 mm
子类别:Bus Terminators最大供电电压:5.25 V
最小供电电压:2.7 V标称供电电压:3.3 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:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7 mmBase Number Matches:1

UCC5628FQP 数据手册

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UCC5628  
Multimode SCSI 14 Line Terminator  
DESCRIPTION  
FEATURES  
The UCC5628 Multimode SCSI Terminator provides a smooth transition  
into the next generation of the SCSI Parallel Interface (SPI-2). It automati-  
cally senses the bus, via DIFFB, and switches the termination to either sin-  
gle ended (SE) or low voltage differential (LVD) SCSI, dependent on which  
type of devices are connected to the bus. The UCC5628 can not be used  
on a HVD, EIA485, differential SCSI bus. If the UCC5628 detects a HVD  
SCSI device, it switches to a high impedance state.  
Auto Selection Single Ended (SE) or  
Low Voltage Differential (LVD)  
Termination  
Meets SCSI-1, SCSI-2, SCSI-3, SPI,  
Ultra (Fast-20), Ultra2 (SPI-2 LVD)  
and Ultra3 Standards  
2.7V to 5.25V Operation  
Differential Failsafe Bias  
The Multimode terminator contains all functions required to terminate and  
auto detect and switch modes for SPI-2 bus architectures. Single Ended  
and Differential impedances and currents are trimmed for maximum effec-  
tiveness. Fail Safe biasing is provided to insure signal integrity. Device/Bus  
type detection circuitry is integrated into the terminator to provide automatic  
switching of termination between single ended and LVD SCSI and a high  
impedance for HVD SCSI. The multimode function provides all the per-  
formance analog functions necessary to implement SPI-2 termination in a  
single monolithic device.  
Thermal packaging for low junction  
temperature and better MTBF.  
The UCC5628 is offered in a 48 pin LQFP package for a temperature  
range of 0°C to 70°C.  
BLOCK DIAGRAM  
(NOISE LOAD)  
1.3V  
HPD  
REF  
1.3V  
–15mA I  
–5mA  
200µA  
SOURCE  
35 DIFFSEN  
50µA I  
SINK  
2.15V  
DIFFB 34  
0.6V  
27 LVD  
26 SE  
110  
124  
REF  
2.7V  
SOURCE/SINK REGULATOR  
56mV  
52.5  
52.5  
+
REF  
1.25V  
12 L1–  
11 L1+  
56mV  
+
MODE  
SE  
ALL SWITCHES  
UP  
LVD  
DISCNCT  
DOWN  
OPEN  
SE GND SWITCH  
10µA  
110  
124  
DISCNCT  
TRMPWR  
36  
3
56mV  
52.5  
52.5  
+
2
1
L14–  
L14+  
56mV  
+
SE GND SWITCH  
HS/GND  
4-9  
HS/GND  
28-33  
25  
10  
REG  
GND  
4.7µF .  
UDG-98099  
SLUS302A - SEPTEMBER 1999  

UCC5628FQP 替代型号

型号 品牌 替代类型 描述 数据表
UCC5628FQPG4 TI

完全替代

14 Line 2.7- 5V Multimode Terminator for SCSI through Ultra320 SCSI 48-LQFP 0 to 70
UCC5628FQPTR TI

完全替代

Multimode SCSI 14 Line Terminator
UCC5628FQPTRG4 TI

功能相似

14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48

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