87c31x2 Microcontroller ng PDF datasheet

87C31X2
Tagagawa : PHILIPS[Philips Semiconductors]
Paglalarawan : 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B voltage power, high speed 30/33

87C31X2
Tagagawa : NXP Semiconductors
Paglalarawan : 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz

87C31X2
Tagagawa : Philips Semiconductors
Paglalarawan : 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz