Overview
The PCF8584T/2,512 is an integrated circuit designed by NXP USA Inc. in CMOS technology. It serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I2C-bus. This IC enables bidirectional communication between parallel-bus systems and the I2C-bus, managing all I2C-bus specific sequences, protocol, arbitration, and timing.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Interface Type | I2C |
| Clock Frequency (Max) | 100 kHz |
| Supply Voltage (Nominal) | 4.5 V to 5.5 V |
| Supply Current | 1.5 mA |
| Package Style | SOIC-20 |
| Mounting Method | Surface Mount |
| Pin Count | 20 |
| Dimensions | 13 x 7.6 x 2.45 mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
Key Features
- Parallel-bus to I2C-bus protocol converter and interface
- Compatible with most parallel-bus microcontrollers/microprocessors (e.g., 8049, 8051, 6800, 68000, Z80)
- Both master and slave functions
- Automatic detection and adaptation to bus interface type
- Programmable interrupt vector
- Multi-master capability
- I2C-bus monitor mode
- Long-distance mode (4-wire)
Applications
The PCF8584T/2,512 is versatile and can be used in various applications where communication between parallel-bus systems and the I2C-bus is required. This includes industrial control systems, automotive electronics, consumer electronics, and any system that needs to interface between parallel and serial communication protocols.
Q & A
- What is the primary function of the PCF8584T/2,512?
The primary function is to serve as an interface between parallel-bus microcontrollers/microprocessors and the serial I2C-bus.
- What is the maximum clock frequency supported by the PCF8584T/2,512?
The maximum clock frequency is 100 kHz.
- What is the nominal supply voltage range for the PCF8584T/2,512?
The nominal supply voltage range is 4.5 V to 5.5 V.
- What package style is the PCF8584T/2,512 available in?
The PCF8584T/2,512 is available in a SOIC-20 package.
- Does the PCF8584T/2,512 support multi-master operation?
- What are the operating temperature ranges for the PCF8584T/2,512?
The operating temperature range is from -40 °C to +85 °C.
- Can the PCF8584T/2,512 operate in long-distance mode?
- Is the PCF8584T/2,512 compatible with various microcontrollers/microprocessors?
- Does the PCF8584T/2,512 have programmable interrupt vectors?
- What is the typical supply current of the PCF8584T/2,512?
The typical supply current is 1.5 mA.
