The W77E058A40FL is IC MCU 8BIT 32KB FLASH 44PQFP, that includes W77 Series, they are designed to operate with a Tray Packaging, Package Case is shown on datasheet note for use in a 44-BQFP, it has an Operating Temperature range of 0°C ~ 70°C (TA), Number of I O is designed to work in 36, as well as the 40MHz Speed, the device can also be used as 8051 Core Processor. In addition, the RAM Size is 1K x 8, the device is offered in FLASH Program Memory Type, the device has a POR, WDT of Peripherals, and Connectivity is EBI/EMI, Serial Port, and the Voltage Supply Vcc Vdd is 4.5 V ~ 5.5 V, and Core Size is 8-Bit, and the Program Memory Size is 32KB (32K x 8), and Oscillator Type is Internal.

The W77E058A40DL is IC MCU 8BIT 32KB FLASH 40DIP, that includes 4.5 V ~ 5.5 V Voltage Supply Vcc Vdd, they are designed to operate with a 40MHz Speed, Series is shown on datasheet note for use in a W77, that offers RAM Size features such as 1K x 8, Program Memory Type is designed to work in FLASH, as well as the 32KB (32K x 8) Program Memory Size, the device can also be used as POR, WDT Peripherals. In addition, the Packaging is Tube, the device is offered in 40-DIP Package Case, the device has a Internal of Oscillator Type, it has an Operating Temperature range of 0°C ~ 70°C (TA), and the Number of I O is 32, and Core Size is 8-Bit, and the Core Processor is 8051, and Connectivity is EBI/EMI, Serial Port.

W77C32P-40 with circuit diagram manufactured by WINBOND. The W77C32P-40 is available in PLCC Package, is part of the IC Chips.

W77E058 with EDA / CAD Models manufactured by WINBOND. The W77E058 is available in PLCC Package, is part of the Embedded - Microcontrollers.