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参数资料
| 型号： | LTC4300-2CMS8 |
| 厂商： | Linear Technology |
| 文件页数： | 5/18页 |
| 文件大小： | 735K |
| 描述： | IC HOT SWAP 2WIRE BUS BUFR MSOP8 |
| 标准包装： | 50 |
| 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： | 2.7 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 其它名称： | Q1354742 |
LTC4300-1/LTC4300-2
5
430012fb
For more information www.linear.com/LTC4300-1
pin FuncTions
ENABLE/V
CC2
(Pin 1): Chip Enable Pin/Card Supply Volt-
age. For the LTC4300-1, this is a digital CMOS threshold
input pin. Grounding this pin puts the part in a low current
(<1礎) mode. It also disables the rise time accelerators,
disables the bus precharge circuitry, drives READY low,
isolates SDAIN from SDAOUT and isolates SCLIN from
SCLOUT. Drive ENABLE all the way to V
CC
for normal
operation. Connect ENABLE to V
CC
if this feature is not
being used. For the LTC4300-2, this is the supply voltage
for the devices on the card I
2
C busses. Connect pull-up
resistors from SDAOUT and SCLOUT to this pin. Place a
bypass capacitor of at least 0.01礔 close to this pin for
best results.
SCLOUT (Pin 2): Serial Clock Output. Connect this pin
to the SCL bus on the card. See Figures 3 and 4 for bus
pull-up resistance and capacitance requirements.
SCLIN (Pin 3): Serial Clock Input. Connect this pin to the
SCL bus on the backplane. See Figures 3 and 4 for bus
pull-up resistance and capacitance requirements.
GND (Pin 4): Ground. Connect this pin to a ground plane
for best results.
READY/ACC (Pin 5): Connection Flag/Rise time Accel-
erator Control. For the LTC4300-1, this is an open-drain
NMOS output which pulls LOW when either ENABLE is
LOW or the start-up sequence described in the Operation
section has not been completed. READY goes HIGH when
ENABLE is HIGH and start-up is complete. Connect a 10k
resistor from this pin to V
CC
to provide the pull up. For
the LTC4300-2, this is a CMOS threshold digital input pin
that enables and disables the rise time accelerators on all
four SDA and SCL pins. Drive ACC all the way to the V
CC2
supply voltage to enable all four accelerators; drive ACC
to ground to turn them off.
SDAIN (Pin 6): Serial Data Input. Connect this pin to the
SDA bus on the backplane. See Figures 3 and 4 for bus
pull-up resistance and capacitance requirements.
SDAOUT (Pin 7): Serial Data Output. Connect this pin
to the SDA bus on the card. See Figures 3 and 4 for bus
pull-up resistance and capacitance requirements.
V
CC
(Pin 8): Main Input Power Supply From Backplane.
This is the supply voltage for the devices on the backplane
I
2
C busses. Connect pull-up resistors from SDAIN and
SCLIN to this pin. Place a bypass capacitor of at least
0.01礔 close to this pin for best results.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4300-2CMS8#PBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4300-2CMS8#TR | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4300-2CMS8#TRPBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4300-2IMS8 | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4300-2IMS8#PBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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