Datasheet

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STM32F427xx STM32F429xx Electrical characteristics
198
6.3.13 Memory characteristics
Flash memory
The characteristics are given at TA = –40 to 105 °C unless otherwise specified.
The devices are shipped to customers with the Flash memory erased.
Table 47. Flash memory characteristics
Symbol Parameter Conditions Min Typ Max Unit
I
DD
Supply current
Write / Erase 8-bit mode, V
DD
= 1.7 V - 5 -
mAWrite / Erase 16-bit mode, V
DD
= 2.1 V - 8 -
Write / Erase 32-bit mode, V
DD
= 3.3 V - 12 -
Table 48. Flash memory programming
Symbol Parameter Conditions Min
(1)
Typ Max
(1)
Unit
t
prog
Word programming time
Program/erase parallelism
(PSIZE) = x 8/16/32
-16100
(2)
µs
t
ERASE16KB
Sector (16 KB) erase time
Program/erase parallelism
(PSIZE) = x 8
- 400 800
ms
Program/erase parallelism
(PSIZE) = x 16
- 300 600
Program/erase parallelism
(PSIZE) = x 32
- 250 500
t
ERASE64KB
Sector (64 KB) erase time
Program/erase parallelism
(PSIZE) = x 8
- 1200 2400
ms
Program/erase parallelism
(PSIZE) = x 16
- 700 1400
Program/erase parallelism
(PSIZE) = x 32
- 550 1100
t
ERASE128KB
Sector (128 KB) erase time
Program/erase parallelism
(PSIZE) = x 8
-24
s
Program/erase parallelism
(PSIZE) = x 16
-1.32.6
Program/erase parallelism
(PSIZE) = x 32
-12
t
ME
Mass erase time
Program/erase parallelism
(PSIZE) = x 8
-1632
s
Program/erase parallelism
(PSIZE) = x 16
-1122
Program/erase parallelism
(PSIZE) = x 32
-816
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