10 Pages, 132 KB, Original- W541C250
- Nuvoton Technology Corp. America
- 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP64
7 Pages, 49 KB, Original- W541C250
- Winbond Electronics
- uC-Based Consumer IC > Controller IC > 4-Bit Microcontroller
10 Pages, 182 KB, Original- W541C250H
- Winbond Electronics
- 4-bit MCU w/2Kx16 ROM, 128x4 RAM, 21 I/Os, 24x4 LCD Driver, INT input
