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參數(shù)資料
| 型號(hào)： | LTC4300-1IMS8#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 735K |
| 描述： | IC HOTSWAP 2WIRE BUS BUFFR 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 熱交換開關(guān) |
| 應(yīng)用： | 通用型緩沖器/總線擴(kuò)展器 |
| 內(nèi)部開關(guān)： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
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(chǔ)) 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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| LTC4300-2CMS8 | 功能描述:IC HOT SWAP 2WIRE BUS BUFR MSOP8 RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC4300-2CMS8#PBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC4300-2CMS8#TR | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC4300-2CMS8#TRPBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC4300-2IMS8 | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
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