83C550
80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ 8 channel 8 bit A/D/ watchdog timer (NXP)
83C554
80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless/ 7 channel 10 bit A/D/ I2C/ PWM/ capture/compare/ high I/O/ 64L LQFP (NXP)
83C51FA
80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless/ low voltage 2.7V.5.5V/ low power/ high speed 33 MHz (NXP)
83C51FA
EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER (Intel Corporation)
83C51FB
80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless/ low voltage 2.7V.5.5V/ low power/ high speed 33 MHz (NXP)
83C51FB
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS (Intel Corporation)
83C51FC
80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless/ low voltage 2.7V.5.5V/ low power/ high speed 33 MHz (NXP)
83C51FC
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS (Intel Corporation)
83C51GB
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER (Intel Corporation)
83C51KB
HIGH PERFORMANCE KEYBOARD MICROCONTROLLER (Intel Corporation)