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CHAPTER 25 ELECTRICAL SPECIFICATIONS
User’s Manual U15798EJ2V0UD
Note 1.
Make sure that the following conditions of the V
PP
voltage application timing are satisfied when the flash
memory is written.
• When supply voltage rises
V
PP
must exceed V
DD
10
µ
s or more after V
DD
has reached the lower-limit value (1.8 V) of the
operating voltage range (see a in the figure below).
• When supply voltage drops
V
DD
must be lowered 10
µ
s or more after V
PP
falls below the lower-limit value (1.8 V) of the operating
voltage range of V
DD
(see b in the figure below).
1.8 V
V
DD
0 V
0 V
V
PP
1.8 V
a
b
