80C31X2 Datasheet, PDF (1/62 Pages) NXP Semiconductors – 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

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INTEGRATED CIRCUITS
P80C31X2/32X2
P80C51X2/52X2/54X2/58X2
P87C51X2/52X2/54X2/58X2
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)
Product data
Supersedes data of 2002 Sep 12
2003 Jan 24
Philips
Semiconductors