STM32F102X8 Datasheet, PDF (45/76 Pages) STMicroelectronics – Medium-density USB access line,ARM-based 32b MCU with 64/128KB Flash,USB FS interface,6 timers, ADC&8 com. interfaces

STM32F102x8, STM32F102xB
Electrical characteristics
5.3.9
Table 26. PLL characteristics
Symbol
Parameter
Min⁽¹⁾
Value
Typ
Max⁽¹⁾
Unit
f_{PLL_IN}
PLL input clock⁽²⁾
PLL input clock duty cycle
1
8.0
25
MHz
40
60
%
f_{PLL_OUT}
t_LOCK
Jitter
PLL multiplier output clock
PLL lock time
Cycle-to-cycle jitter
16
48
MHz
200
µs
300
ps
1. Based on characterization, not tested in production.
2. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with
the range defined by f_{PLL_OUT}.
Memory characteristics
Flash memory
The characteristics are given at T_A = –40 to 85 °C unless otherwise specified.
Table 27. Flash memory characteristics
Symbol
Parameter
Conditions
Min⁽¹⁾ Typ Max⁽¹⁾ Unit
t_prog 16-bit programming time
T_A = –40 to +85 °C
40 52.5 70
µs
t_ERASE Page (1 KB) erase time
T_A = –40 to +85 °C
20
40 ms
t_ME Mass erase time
T_A = –40 to +85 °C
20
40 ms
Read mode
f_HCLK = 48 MHz with 2
wait states, V_DD = 3.3 V
20 mA
I_DD Supply current
Write / Erase modes
f_HCLK = 48 MHz, V_DD =
3.3 V
5
mA
Power-down mode / Halt,
V_DD = 3.0 to 3.6 V
V_prog Programming voltage
2
1. Guaranteed by design, not tested in production.
50 µA
3.6
V
Table 28.
Symbol
Flash memory endurance and data retention
Parameter
Conditions
Value
Min⁽¹⁾ Typ
N_END Endurance
10
t_RET Data retention
T_A = 85 °C, 1000 cycles 30
1. Based on characterization not tested in production.
Max
Unit
kcycles
Years
Doc ID 15056 Rev 4
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