Overview
The PCA9564D,112, produced by NXP USA Inc., is an integrated circuit designed in CMOS technology that serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I2C-bus. This device enables bi-directional communication between the parallel bus system and the I2C-bus, making it a versatile component for various applications. It operates as both a master and a slave on the I2C-bus and supports multi-master capability, enhancing its functionality in complex systems.
Key Specifications
| Specification | Description |
|---|---|
| Package Type | SO20 (20-pin SOIC), DIP20 (20-pin DIP), TSSOP20 (20-pin TSSOP), HVQFN20 (20-pin HVQFN) |
| Operating Supply Voltage | 2.3 V to 3.6 V |
| I/O Voltage Tolerance | 5 V tolerant |
| I2C-bus Capability | Standard and fast mode I2C capable, compatible with SMBus |
| ESD Protection | Exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101 |
| Internal Oscillator | 9 MHz internal oscillator for I2C timing |
| Registers | Four internal registers for configuration and data transfer |
| ECCN | EAR99 |
| RoHS Compliance | Yes |
Key Features
- Parallel-bus to I2C-bus protocol converter and interface
- Operates as both master and slave on the I2C-bus
- Multi-master capability
- Internal 9 MHz oscillator reduces external component requirements
- 5 V tolerant I/Os
- Standard and fast mode I2C capable, compatible with SMBus
- ESD protection exceeds industry standards
- Latch-up testing exceeds JEDEC Standard JESD78
- Bidirectional data transfer between the I2C-bus and the parallel-bus microcontroller using interrupt or polled handshake
Applications
- Add an I2C-bus port to controllers/processors that do not have one
- Add additional I2C-bus ports to controllers/processors that need multiple I2C-bus ports
- Higher frequency, lower voltage migration path for the PCF8584
- Converts 8 bits of parallel data to a serial data stream, reducing the need for numerous traces across the PCB
Q & A
- What is the primary function of the PCA9564D,112?
The PCA9564D,112 serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I2C-bus, enabling bi-directional communication between the two systems.
- What are the available package types for the PCA9564D,112?
The PCA9564D,112 is available in SO20 (20-pin SOIC), DIP20 (20-pin DIP), TSSOP20 (20-pin TSSOP), and HVQFN20 (20-pin HVQFN) packages.
- What is the operating supply voltage range for the PCA9564D,112?
The operating supply voltage range is 2.3 V to 3.6 V.
- Is the PCA9564D,112 compatible with SMBus?
- Does the PCA9564D,112 have internal timing elements?
No, the PCA9564D,112 contains an internal 9 MHz oscillator that eliminates the need for external timing elements.
- What kind of ESD protection does the PCA9564D,112 offer?
The PCA9564D,112 offers ESD protection that exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101.
- Can the PCA9564D,112 operate as both a master and a slave on the I2C-bus?
- What is the purpose of the internal registers in the PCA9564D,112?
The internal registers are used to configure the operation of the device and to send and receive serial data.
- Is the PCA9564D,112 RoHS compliant?
- What are some common applications of the PCA9564D,112?
