產(chǎn)品概述
The PCA9517D,118 is a level translating CMOS I2C-Bus Repeater provides level shifting between low voltage and higher voltage I2C-bus or SMBus applICations. While retaining all the operating modes and features of the I2C-bus system during the level shifts, it also permits extension of the I2C-bus by providing bi-directional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling two buses of 400pF. Using the repeater enables the system designer to isolate two halves of a bus for both voltage and capacitance. The SDA and SCL pins are overvoltage tolerant and are high-impedance when the repeater is unpowered. The 2.7 to 5.5V bus port-B drivers behave much like the drivers on this device, while the adjustable voltage bus port-A drivers drive more current and eliminate the static offset voltage. This results in a low on the port-B translating into a nearly 0V low on the port-A which accommodates smaller voltage swings of lower voltage logic.
Bidirectional buffer isolates capacitance and allows 400pF on either side of the device
Footprint and functional replacement
Active high individual repeater enable input
Open-drain input/outputs
Lock-up free operation
Supports arbitration and clock stretching across the repeater
Powered-off high-impedance I2C pins
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100mA
應用
通信與網(wǎng)絡
產(chǎn)品信息
芯片接口類型: I2C, SMBus 接口應用: I2C總線與SMBus系統(tǒng)應用 電源電壓最小值: 2.7V 電源電壓最大值: 5.5V 接口封裝類型: SOIC 針腳數(shù): 8引腳 工作溫度最小值: -40°C 工作溫度最高值: 85°C 產(chǎn)品范圍: - 汽車質(zhì)量標準: - MSL: MSL 1 -無限制
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以上是，PCA9517D.118正品現(xiàn)貨原裝，品牌:nxp 型號:PCA9517D.118的信息