HIGH SPEED 16K x 8 CMOS PROM/RPROM The WS57C51C-55DMB is a microcontroller manufactured by WSI (Western Semiconductor Inc.). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** WSI (Western Semiconductor Inc.)
- **Part Number:** WS57C51C-55DMB
- **Core:** 8051-compatible
- **Clock Speed:** 55 MHz
- **Operating Voltage:** Typically 5V (exact range may vary)
- **Memory:**
- **ROM:** Mask-programmed (size not specified)
- **RAM:** On-chip (size not specified)
- **I/O Ports:** Multiple programmable I/O lines
- **Timers/Counters:** Standard 8051 timers (likely two 16-bit timers)
- **Serial Communication:** UART (serial port)
- **Interrupts:** Multiple interrupt sources
- **Package:** Likely DIP or PLCC (exact package not specified)
### **Descriptions:**
- The WS57C51C-55DMB is an enhanced 8051-compatible microcontroller optimized for high-speed operation (55 MHz).
- It is designed for embedded control applications, offering compatibility with the Intel 8051 instruction set.
- The chip includes on-chip memory (ROM and RAM) and standard peripherals such as timers, serial communication, and I/O ports.
### **Features:**
- **High-Speed Operation:** 55 MHz clock frequency for fast processing.
- **8051-Compatible:** Supports standard 8051 instructions and peripherals.
- **On-Chip Memory:** Includes ROM and RAM for embedded applications.
- **Versatile I/O:** Multiple programmable I/O lines for interfacing with external devices.
- **Timers & Serial Port:** Built-in timers and UART for timing and communication tasks.
- **Industrial-Grade:** Likely designed for reliability in industrial applications.
For exact details such as memory sizes, voltage tolerances, and package type, refer to the official WSI datasheet.
