STM32L071X8 Datasheet, PDF (82/136 Pages) STMicroelectronics – Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0+, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC

Electrical characteristics
STM32L071xx
6.3.8
6.3.9
PLL characteristics
The parameters given in Table 49 are derived from tests performed under ambient
temperature and V_DD supply voltage conditions summarized in Table 25.
Table 49. PLL characteristics
Symbol
Parameter
Value
Min
Typ
Max⁽¹⁾
Unit
f_{PLL_IN}
PLL input clock⁽²⁾
PLL input clock duty cycle
2
-
45
-
24
MHz
55
%
f_{PLL_OUT}
t_LOCK
PLL output clock
PLL input = 16 MHz
PLL VCO = 96 MHz
2
-
-
115
32
MHz
160
µs
Jitter
Cycle-to-cycle jitter
-
 600
ps
I_DDA(PLL)
I_DD(PLL)
Current consumption on V_DDA
Current consumption on V_DD
-
220
450
µA
-
120
150
1. Guaranteed by characterization results.
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
RAM memory
Table 50. RAM and hardware registers
Symbol
Parameter
Conditions
Min Typ Max Unit
VRM Data retention mode⁽¹⁾ STOP mode (or RESET)
1.65
-
-
V
1. Minimum supply voltage without losing data stored in RAM (in Stop mode or under Reset) or in hardware
registers (only in Stop mode).
Flash memory and data EEPROM
Symbol
Table 51. Flash memory and data EEPROM characteristics
Parameter
Conditions
Min Typ Max⁽¹⁾ Unit
V_DD
Operating voltage
Read / Write / Erase
t_prog
Programming time for
word or half-page
-
Erasing
Programming
1.65
-
3.6
V
-
3.28 3.94
ms
-
3.28 3.94
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