8-Bit One-Time Programmable OTP Microcontroller with UART and Three Multi-Function Timers The part **COP87L88GGV-XE** is manufactured by **National Semiconductor (NS)**.  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** COP87L88GGV-XE  
- **Core:** 8-bit COP8 microcontroller  
- **Architecture:** Harvard  
- **Operating Voltage:** 2.7V to 5.5V  
- **Clock Speed:** Up to 10 MHz  
- **Program Memory (ROM):** 8 KB  
- **RAM:** 256 bytes  
- **EEPROM:** None  
- **I/O Pins:** 28  
- **Timers:** 2 (16-bit)  
- **ADC:** None  
- **Communication Interfaces:** UART, SPI, I2C  
- **Package:** PLCC-44  
- **Operating Temperature:** -40°C to +85°C  

This part is now obsolete and was part of National Semiconductor's COP8 microcontroller family.