Electrical characteristics
STM32L151xC STM32L152xC
6.3.8
6.3.9
PLL characteristics
The parameters given in Table 34 are derived from tests performed under the conditions
summarized in Table 14.
Table 34. PLL characteristics
Symbol
Parameter
Value
Min
Typ
Max(1)
Unit
fPLL_IN
PLL input clock(2)
PLL input clock duty cycle
2
-
45
-
24
MHz
55
%
fPLL_OUT
tLOCK
PLL output clock
PLL lock time
PLL input = 16 MHz
PLL VCO = 96 MHz
2
-
-
115
32
MHz
160
µs
Jitter
Cycle-to-cycle jitter
-
-
± 600
ps
IDDA(PLL)
IDD(PLL)
Current consumption on VDDA
Current consumption on VDD
-
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 fPLL_OUT.
Memory characteristics
The characteristics are given at TA = -40 to 105 °C unless otherwise specified.
RAM memory
Table 35. 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).
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