Datasheet

Electrical characteristics STM32F050xx
60/97 Doc ID 023683 Rev 1
6.3.8 PLL characteristics
The parameters given in Ta bl e 3 7 are derived from tests performed under ambient
temperature and supply voltage conditions summarized in Table 15: General operating
conditions.
Table 37. PLL characteristics
Symbol Parameter
Value
Unit
Min Typ Max
f
PLL_IN
PLL input clock
(1)
1. Take care to use the appropriate multiplier factors to obtain PLL input clock values compatible with the
range defined by f
PLL_OUT
.
1
(2)
8.0 24
(2)
MHz
PLL input clock duty cycle 40
(2)
-60
(2)
%
f
PLL_OUT
PLL multiplier output clock 16
(2)
-48MHz
t
LOCK
PLL lock time - - 200
(2)
2. Guaranteed by design, not tested in production.
µs
Jitter
PLL
Cycle-to-cycle jitter - - 300
(2)
ps