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参数资料
| 型号： | LTC4313CMS8-2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC 2WIRE BUS BUFFER 8MSOP |
| 标准包装： | 2,500 |
| 类型： | 2线总线缓冲器 |
| Tx/Rx类型： | I²C Logic |
| 电容 - 输入： | 10pF |
| 电源电压： | 2.9 V ~ 5.5 V |
| 电流 - 电源： | 8.1mA |
| 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： | 带卷 (TR) |
LTC4313-1/LTC4313-2/
LTC4313-3
13
4313123f
applicaTions inForMaTion
Telecommunications Systems
The LTC4313 has several features that make it an excellent
choiceforuseintelecommunicationsystemssuchasATCA.
Referring to Figures 7 and 8, buffers are used on the edges
of the field replaceable units (FRU) and shelf managers to
shield devices on these cards from the large backplane
capacitance. The input capacitance of the LTC4313 is less
than the 10pF maximum specification for buffers used in
bussed ATCA applications. The LTC4313 buffers can drive
capacitances >1nF, which is greater than the maximum
backplane capacitance of 690pF in bussed ATCA systems.
The precharge feature, low input capacitance and high
impedance of the SDA and SCL pins of the LTC4313 when
it is unpowered, minimize disturbances to the bus when
cards are being hot swapped. In Figure 7, the RTA of the
LTC4313-2 on the shelf manager supplies sufficient pull-
up current, allowing the 1s rise time requirement to be
met on the heavily loaded backplane for loads well beyond
the 690pF maximum specification. The 0.33 VCC turn-off
voltage of the LTC4313’s buffers provides a large logic
low noise margin in these systems. In the bussed ATCA
application shown in Figure 7, the LTC4313s located on
the shelf managers #1 and #2 and on the FRUs, drive the
large backplane capacitance while the microcontrollers
on the shelf managers and the I2C slave devices on the
FRUs drive the small input capacitance of the LTC4313-3.
Figure 7. LTC4313s Used in a Bussed ATCA Application. Only the Clock Path is Shown for Simplicity
LTC4313-2
P
VCC
3.3V
SCLOUT
SCLIN
ENABLE
R1
10k
R2
2.7k
4313123 F07
BACKPLANE
IPMB-A
SCL
IPMB-B
SCL
SHELF MANAGER #1
SHELF MANAGER #2
IDENTICAL TO SHELF MANAGER #1
TO SHMC#2
IPMB-B
IPMB-B DETAILS (NOT SHOWN) ARE IDENTICAL TO IPMB-A
FRU #1
LTC4313-3
I2C
DEVICE
3.3V
SCLOUT
VCC
SCLIN
R3
10k
R4
10k
LTC4313-3
SCLOUT
VCC
SCLIN
FRU #N
LTC4313-3
I2C
DEVICE
3.3V
SCLOUT
VCC
SCLIN
R6
10k
R5
10k
LTC4313-3
SCLOUT
VCC
SCLIN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4313CMS8-3#PBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313CMS8-3#TRPBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313IDD-1#PBF | 功能描述:IC 2WIRE BUS BUFFER 8DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313IDD-1#TRPBF | 功能描述:IC 2WIRE BUS BUFFER 8DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313IDD-2#PBF | 功能描述:IC 2WIRE BUS BUFFER 8DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
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