Manufacturer Part #
PCA9509DP,118
PCA9509 Series Level translating I2C-bus/SMBus repeater - TSSOP - 8
Product Specification Section
NXP PCA9509DP,118 - Product Specification
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ECCN:
EAR99
PCN Information:
N/A
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Part Status:
Active
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NXP PCA9509DP,118 - Technical Attributes
Attributes Table
Interface Type: | I2C/SMBus |
No of Channels: | 2 |
Clock Frequency-Max: | 400kHz |
Supply Voltage-Nom: | 3V to 5.5V |
Supply Current: | 0.25mA to 5mA |
Package Style: | TSSOP-8 |
Mounting Method: | Surface Mount |
Features & Applications
The PCA9509 is a level translating I2C-bus/SMBus repeater that enables processor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O. 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 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. Port A allows a voltage range from 1.0 V (as low as 0.95 V in special cases) to VCC(B) - 1.0 V and requires no external pull-up resistors due to the internal current source. Port B allows a voltage range from 3.0 V to 5.5 V and is overvoltage tolerant. Both port A and port B SDA and SCL pins are high-impedance when the PCA9509 is unpowered.
Features:
- Bidirectional buffer isolates capacitance and allows 400 pF on port B of the device
- Voltage level translation from port A (1 V [0.95 V in special cases] to VCC(B) - 1.0 V) to port B (3.0 V to 5.5 V)
- Requires no external pull-up resistors on lower voltage port A
- 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
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Lead Time:
16 Weeks
Quantity
Unit Price
2,500
$0.65
5,000+
$0.635
Product Variant Information section
Available Packaging
Package Qty:
2500 per Reel
Package Style:
TSSOP-8
Mounting Method:
Surface Mount