* 8051 Central Processing Unit
  – 128 × 8 RAM (80C31)
  – 256 × 8 RAM (80C32)
  – Three 16-bit counter/timers
 &nb.

requiring more ROM and RAM, see the 8XC54/58 and 8XC51RA+/RB+/RC+/80C51RA+ data sheet. ROM/EPROM Memory Size (X by 8) .

The Philips 80C31/32 is a high-performance static 80C51 design fabricated with Philips high-density CMOS technology with operation from 2.7 V to 5.5 V. The 80C31/32 ROMless devices contain a 128 × 8 RAM/256 × 8 RAM, 32 I/O lines, three 16-bit counter.

80C31BH

80C31X2

80C32

80C32-16

80C32E

80C32X2

80C34X2

80C35

80C38X2

80C39AP

80C01

80C010

80C011