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参数资料
| 型号： | LTC4308CDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 168K |
| 描述： | IC BUS BUFFER LV 8-DFN |
| 产品培训模块： | LTC4310 - Hot-Swappable I²C Isolators |
| 标准包装： | 121 |
| 类型： | 热交换开关 |
| 应用： | 通用型缓冲器/总线扩展器 |
| 内部开关： | 是 |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 包装： | 管件 |
LTC4308
4
4308f
ENABLE, CONNECT, READY Timing
Rising and Falling Propagation Delays and Rise and Fall Times for SDAIN, SDAOUT and SCLIN, SCLOUT
Figure 1. Timing Diagrams
t
PLH_EN
ENABLE
CONNECT
READY
t
PLH_READY
t
PHL_READY
t
PHL_EN
4308 TD01
t
PLH
SDAIN/SCLIN
SDAOUT/SCLOUT
t
PHL
t
RISE
t
FALL
t
RISE
t
FALL
4308 TD02
TIMING DIAGRAMS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
Bus Stuck Low Timeout
t
TIMEOUT
Bus Stuck Low Timer
SDAOUT = SCLOUT = 0V
l 25
30
35
ms
Timing Characteristics
f
I2C,MAX
I
2
C Maximum Operating Frequency
(Note 3)
400
600
kHz
t
BUF
Bus Free Time Between Stop and Start Condition (Note 3)
1.3
約
t
HD,STA
Hold Time After (Repeated) Start Condition
(Note 3)
100
ns
t
SU,STA
Repeated Start Condition Set-Up Time
(Note 3)
0
ns
t
SU,STO
Stop Condition Set-Up Time
(Note 3)
0
ns
t
HD,DATI
Data Hold Time Input
(Note 3)
0
ns
t
SU,DAT
Data Set-Up Time
(Note 3)
100
ns
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: See Propagation Delays in the Operations section for a
discussion of t
PHL
and t
PLH
as a function of pull-up resistance and bus
capacitance.
Note 3: Determined by design, not tested in production.
Note 4: Measure points are 0.3 " V
CC
and 0.7 " V
CC
.
Note 5: I
PULLUPAC
varies with temperature and V
CC
voltage as shown in the
Typical Performance Characteristics section.
Note 6: I
CC
test performed with connection circuitry active.
Note 7: All currents into pins are positive; all voltages are referenced to
GND unless otherwise speci ed.
The l denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
= 25癈. V
CC
= 3.3V, unless otherwise noted.
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| LTC4308CMS8#PBF | 功能描述:IC BUS BUFFER LV 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
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| LTC4308IDD#PBF | 功能描述:IC BUS BUFFER LV 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4308IDD#TRPBF | 功能描述:IC BUS BUFFER LV 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
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