产品概述
The TCA9517DR is a bidirectional Buffer with level shifting capabilities for I2C and SMBus systems. It provides bidirectional voltage-level translation (up-translation/down-translation) between low voltages and higher voltages (2.7 to 5.5V) in mixed-mode applICations. This device enables I2C and SMBus systems to be extended without degradation of performance, even during level shifting. The TCA9517 buffers both the serial data and the serial clock signals on the I2C bus, thus allowing two buses of up to 400pF bus capacitance to be connected in an I2C application. It has two types of drivers: A-side drivers and B-side drivers. All inputs and I/Os are over-voltage tolerant to 5.5 V, even when the device is unpowered (VCCB and/or VCCA = 0 V). The type of buffer design on the B-side prevents it from being used in series with devices which use static voltage offset.
I2C Bus and SMBus Compatible
Footprint and functional replacement for PCA9515B
Active-high repeater-enable input
Open-drain I2C I/O
5.5V Tolerant I2C and enable input support mixed-mode signal operation
Accommodates standard-mode and fast-mode I2C devices and multiple masters
High-impedance I2C pins when powered-off
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD Protection exceeds JESD 22
Green product and no Sb/Br
产品信息
芯片接口类型: I2C, SMBus 接口应用: I2C总线与SMBus总线系统应用程序, 服务器, 电信 电源电压最小值: 900mV 电源电压最大值: 5.5V 接口封装类型: SOIC 针脚数: 8引脚 工作温度最小值: -40°C 工作温度最高值: 85°C 产品范围: - 汽车质量标准: - MSL: MSL 1 -无限制
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以上是，TCA9517DR正品保障公司现货量大从优，品牌:TI 型号:TCA9517DR的信息