Section 21 Electrical Characteristics
Rev. 3.00 Sep. 27, 2007 Page 725 of 758
REJ09B0243-0300
21.5
Flash Memory Characteristics
Table 21.14 Flash Memory Characteristics
Conditions: V
CC
= AV
CC
= 4.0 V to 5.5 V, V
SS
= PLLV
SS
= AV
SS
= 0 V,
T
a
= –20 to +85
°
C (consumer specifications),
T
a
= –40 to +85
°
C (industrial specifications)
Item Symbol
Min.
Typ.
Max.
Unit
Programming time
*
1
*
2
*
4
t
P
—
1
10
ms/128
bytes
— 40
130 ms/4
Kbytes
block
— 300
800 ms/32
Kbytes
block
Erase time
*
1
*
2
*
4
t
E
— 600
1500
ms/64
Kbytes
block
— 1.2
3
s/128
Kbytes
Programming time
(total)
*
1
*
2
*
4
Σ
t
P
— 0.6
1.5 s/64
Kbytes
— 1.3
3.5 s/128
Kbytes
Erase time (total)
*
1
*
2
*
4
Σ
t
E
— 0.7
2
s/64
Kbytes
— 2.5
6.5 s/128
Kbytes
Programming and erase time
(total)
*
1
*
2
*
4
Σ
t
PE
— 1.3
3.5 s/64
Kbytes
Reprogramming count
N
WEC
100
*
3
—
—
Times
Notes: 1. Programming/erasure time is data-dependent.
2. Programming/erasure time does not include data transfer time.
3. Minimum number to guarantee all the characteristics after reprogramming. (Guaranteed
within the range from 1 to min. value)
4. Characteristics when reprogramming is performed within the specified number of times
including min. value.
Содержание SH7124 R5F7124
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