PCA9545ADW
- Mfr.Part #
- PCA9545ADW
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20SOIC
- Stock
- 7,906
- In Stock :
- 7,906
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Height :
- 2.65mm
- Factory Lead Time :
- 6 Weeks
- Max Operating Temperature :
- 85°C
- Applications :
- Translating Switch
- Temperature Grade :
- Industrial
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Terminal Form :
- Gull wing
- JESD-609 Code :
- e4
- Base Part Number :
- CA9545
- Min Operating Temperature :
- -40°C
- Logic Function :
- Multiplexer
- Propagation Delay :
- 1 ns
- Number of Functions :
- 1
- Terminal Position :
- Dual
- Supply Voltage-Min (Vsup) :
- 2.3V
- Weight :
- 500.709277mg
- Pbfree Code :
- yes
- Radiation Hardening :
- No
- Width :
- 7.5mm
- Supply Voltage :
- 2.5V
- Number of Outputs :
- 1
- Number of Channels :
- 4
- Length :
- 12.8mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Number of Terminations :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Thickness :
- 2.35mm
- Nominal Supply Current :
- 3μA
- Surface Mount :
- yes
- Load Capacitance :
- 50pF
- Max Power Dissipation :
- 400mW
- Packaging :
- Tube
- Operating Supply Current :
- 3μA
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Number of Pins :
- 20
- Pin Count :
- 20
- Max Frequency :
- 400kHz
- Power Dissipation :
- 400mW
- Resistance :
- 45Ohm
- Voltage - Supply :
- 2.3V~5.5V
- Peak Reflow Temperature (Cel) :
- 260
- Bandwidth :
- 400 kHz
- Interface :
- I2C, SMBus
- Mounting Type :
- Surface Mount
- Supply Voltage-Max (Vsup) :
- 5.5V
- Output Polarity :
- TRUE
- Datasheets
- PCA9545ADW

Specialized Texas Instruments PCA9545ADW Overview
The Specialized Texas Instruments PCA9545ADW is an advanced interface IC, specifically designed to cater to complex communication systems. Housed in a 20-SOIC package, this specialized IC enhances the functionality of multi-master I2C systems by enabling up to four separate I2C buses to connect to a single master. Its robust design and cutting-edge technology make it ideal for handling significant data traffic and preventing bus contention, thereby increasing the reliability and efficiency of your systems. The PCA9545ADW is perfectly suited for applications requiring multiple bus communications through one I2C channel, offering seamless functionality and support.
PCA9545ADW Features
The PCA9545ADW boasts a range of features that make it a prime choice for high-demand applications. These include four bidirectional translating switches that allow connection of up to four downstream buses. It supports both interrupt-driven and polled I2C operations, which simplifies integration into existing architectures. Additionally, the PCA9545ADW operates over a wide supply voltage range (from 2.3V to 5.5V) and offers an interrupt output feature for enhanced bus management, making it both versatile and efficient for various electronic environments.
PCA9545ADW Applications
- Multi-master I2C Systems: Enhances system reliability by allowing multiple master devices to communicate over single or multiple I2C buses without conflict.
- Data Servers: Facilitates robust data management and channel multiplexing, ensuring seamless communication between different subsystems within a server.
- Telecommunications Equipment: Provides the necessary interface functionalities to manage signal integrity and routing within complex telecommunication infrastructures.
- Consumer Electronics: Employs in devices such as TVs and home theater systems, where multiple internal processors need to communicate efficiently.
- Industrial Control Systems: Used in plant monitoring equipment where multiple sensor data needs to be aggregated and processed through different I2C channels.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















