PCA9509DP118 - Brand New NXP Semiconductors Signal Buffers, Repeaters, Splitters
In Stock:143 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
143,
Ready for Immediate Shipping
Brand:NXP Semiconductors
Category:Signal Buffers, Repeaters, Splitters
Chipdatas Part No.:CD89-PCA9509DP118
Manufacturer Part No.:PCA9509DP118
Datecode:09+
Package:8-TSSOP, 8-MSOP 0.118", 3.00mm Width
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Description
The PCA9509DP118 is a level translating I2C-bus/SMBus repeater that enables low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O. It generates bidirectional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling the I2C-bus or SMBus maximum capacitance of 400 pF on the higher voltage side. The device is over-voltage tolerant and has high-impedance pins when it is unpowered.
Specifications and features
- Bidirectional buffer isolates capacitance and allows 400 pF on port B of the device
- Voltage level translation from port A (1 V to VCC(B) − 1.0 V) to port B (3.0 V to 5.5 V)
- Active HIGH repeater enable input
- Open-drain inputs/outputs
- Lock-up free operation
- Supports arbitration and clock stretching across the repeater
- Accommodates Standard-mode and Fast-mode I2C-bus devices and multiple masters
- Powered-off high-impedance I2C-bus pins
- Operating supply voltage range of 1.0 V to VCC(B) − 1.0 V on port A, 3.0 V to 5.5 V on port B
- 5 V tolerant port B SCL, SDA, and enable pins
- 0 Hz to 400 kHz clock frequency (remark: maximum system operating frequency may be less than 400 kHz due to delays added by the repeater)
- ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
- Latch-up testing is done to JEDEC Standard JESD78, which exceeds 100 mA
- Packages offered: TSSOP8, SO8
Application Scenarios
The PCA9509DP118 is primarily used in level translation and I2C-bus extension applications where low voltage 2-wire serial bus needs to interface with standard I2C-bus or SMBus I/O.
Comparison
Advantages- Bidirectional buffer isolates capacitance and allows 400 pF on port B of the device
- Powered-off high-impedance I2C-bus pins
- Supports arbitration and clock stretching across the repeater
- Accommodates Standard-mode and Fast-mode I2C-bus devices and multiple masters
Disadvantages- The maximum system operating frequency may be less than 400 kHz due to delays added by the repeater
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Additional Information
- Datasheet: Download PCA9509DP118
- Chipdatas Part: CD89-PCA9509DP118
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/12 07:23 +0800
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