AT89C51RB2/RC2
Datasheet Change
Log
Changes from 4180A-
08/02 to 4180B-04/03
Changes from 4180B-
04/03 to 4180C-12/03
Changes from 4180C-
12/03 - 4180D - 06/05
Changes from 4180D -
06/05 to 4180E - 10/06
1. Changed the endurance of Flash to 100, 000 Write/Erase cycles.
2. Added note on Flash retention formula for VIH1, in Section “DC Parameters for
Standard Voltage”, page 107.
1. Max frequency update for 4.5 to 5.5V range up to 60 MHz (internal code
execution).
1. Added Green product ordering information. Page 119.
1. Correction to PDIL40 figure on page 9.
4180E–8051–10/06
123