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P80C554SFBD,157

8-bit 80C51 MCU, 16MHz, 5V, ROMless, 40 I/O, LQFP

End of Life

Package/Case: LQFP

Core Architecture: 80C51

Data Bus Width: 8b

Frequency: 16MHz

P80C554SFBD,557

80C51 16MHz LQFP 3-Timer ROMless Microcontroller

Volume Production

Package/Case: LQFP

Core Architecture: 80C51

Frequency: 16MHz

Interface: I2C, UART

P80C554SBBD,157

IC 80C51 MCU 8BIT ROMLESS 64LQFP

Obsolete

Package/Case: LQFP

Core Architecture: 8051

Interface: I2C, UART, USART, EBI/EMI

Max Operating Temperature: 70°C