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參數(shù)資料
| 型號(hào)： | LTC4301 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Hot Swappable 2-Wire Bus Buffer with Low Voltage Level Translation |
| 中文描述： | 熱插拔2線總線緩沖器低電壓電平轉(zhuǎn)換 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 220K |
| 代理商： | LTC4301 |
1
LTC4301L
4301lf
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
Hot Swappable 2-Wire
Bus Buffer with Low Voltage
Level Translation
I
Level Translates 1V Signals to Standard 3.3V and
5V Logic Rails
I
Allows Bus Pull-Up Voltages as Low as 1V on
SDAIN and SCLIN
I
Bidirectional Buffer* for SDA and SCL Lines
Increases Fanout
I
Prevents SDA and SCL Corruption During Live Board
Insertion and Removal from Backplane
I
Isolates Input SDA and SCL Line from Output
I
10kV Human Body Model ESD Protection
I
Supports Clock Stretching, Arbitration and
Synchronization
I
High Impedance SDA, SCL Pins for V
CC
= 0V
I
CS Gates Connection from Input to Output
I
Compatible with I
2
C
TM
, I
2
C Fast Mode and SMBus
Standards (Up to 400kHz Operation)
I
Small 8-Pin MSOP and DFN (3mm
×
3mm) Packages
I
Hot Board Insertion
I
Servers
I
Capacitance Buffer/Bus Extender
I
Desktop Computers
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
2
C is a trademark of Philips Electronics N.V.
*Patent Pending
The LTC
4301L hot swappable, 2-wire bus buffer allows
I/O card insertion into a live backplane without corruption
of the data and clock busses. In addition, the LTC4301L
SDAIN and SCLIN pins are compatible with systems with
pull-up voltages as low as 1V. Control circuitry prevents
the backplane from being connected to the card until a
stop bit or a bus idle is present. When the connection is
made, the LTC4301L provides bidirectional buffering,
keeping the backplane and card capacitances isolated.
When driven low, the CS input pin allows the part to
connect after a stop bit or bus idle occurs. Driving CS high
breaks the connection between SCLIN and SCLOUT and
between SDAIN and SDAOUT. A logic high on READY
indicates that the backplane and card sides are connected
together.
The LTC4301L is offered in 8-pin DFN (3mm
×
3mm) and
MSOP packages.
Input-Output Connection
OUTPUT
SIDE
20pF
INPUT
SIDE
55pF
4301 TA01b
1
μ
s/DIV
0.5V/DIV
μ
P
SDA
SCL
V
CC
GND
SDAIN
SCLIN
CS
SDAOUT
SCLOUT
READY
LTC4301L
V
CC
GND
2k
10k
2k
10k
0.01
μ
F
SDA
SCL
1.2V
3.3V
4301l TA01a
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| LTC4301CDD | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8DFN 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 |
| LTC4301CDD#PBF | 功能描述:IC BUS BUFFER HOTSWAP 2WR 8DFN 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 |
| LTC4301CDD#TR | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8DFN 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 |
| LTC4301CDD#TRPBF | 功能描述:IC BUFFER BUS HOTSWAP 2WR 8DFN 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 |
| LTC4301CMS8 | 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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