PCA9517D,118, драйвер шины i2c одноканальный 400кгц
Описание
Описание PCA9517D,118
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
| EU RoHS | Compliant |
| ECCN (US) | EAR99 |
| Part Status | Active |
| HTS | 8542.39.00.01 |
| Type | Repeater |
| Maximum Clock Frequency (kHz) | 400 |
| Input Signal Type | I2C |
| Typical Input Capacitance (pF) | 6 |
| Minimum Operating Supply Voltage (V) | 0.9/2.7 |
| Maximum Operating Supply Voltage (V) | 5.5 |
| Typical Operating Supply Voltage (V) | 5|3.3|2.5|1.8 |
| Maximum Supply Current (mA) | 5 |
| Maximum Power Dissipation (mW) | 100 |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | 85 |
| Packaging | Tape and Reel |
| Pin Count | 8 |
| Supplier Package | SO |
| Mounting | Surface Mount |
| Package Height | 1.45(Max) |
| Package Length | 5(Max) |
| Package Width | 4(Max) |
| PCB changed | 8 |
| Lead Shape | Gull-wing |
| Вес, г | 0.15 |