INTEGRATED CIRCUITS 80C31X2/32X2 80C51X2/52X2/54X.
NXP
P87C31X2 - 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
INTEGRATED CIRCUITS 80C31X2/32X2 80C51X2/52X2/54X2/58X2 87C51X2/52X2/54X2/58X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM.
NXP
87C31X2 - 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
INTEGRATED CIRCUITS 80C31X2/32X2 80C51X2/52X2/54X2/58X2 87C51X2/52X2/54X2/58X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM.
