
Si51211
Preliminary Rev. 0.7
5
Table 2. AC Electrical Specifications
(VDD = 2.5 V ± 5%, or VDD = 3.3 V ± 10%, TA = 0 to 70 oC)
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Input Frequency Range
FIN1
Crystal input
8
—
48
MHz
Input Frequency Range
FIN2
Reference clock Input
3
—
166
MHz
Output Frequency Range
FOUT
SSCLK1/2/3
3
—
200
MHz
Frequency Accuracy
FACC
Configuration dependent
—
0
—
ppm
Output Duty Cycle
DCOUT
Measured at VDD/2
45
50
55
%
Input Duty Cycle
DCIN
CLKIN, CLKOUT through PLL
30
50
70
%
Output Rise Time
tr
CL=15 pF, 20 to 80%
—
1
3.0
ns
Output Fall Time
tf
CL=15 pF, 20 to 80%
—
1
3.0
ns
Period Jitter
PJ1
SSCLK1/2/3, three clocks running,
VDD=3.3 V, CL=15 pF
—150*
—ps
Cycle-to-Cycle Jitter
CCJ1
SSCLK1/2/3, three clocks running,
VDD=3.3 V, CL=15 pF
—100*
—ps
Power-up Time
tPU
Time from 0.9 VDD to valid frequen-
cies at all clock outputs
—1.2
5.0
ms
Output Enable Time
tOE
Time from OE raising edge to active
at outputs SSCLK1/2 (asynchronous)
—15
—
ns
Output Disable Time
tOD
Time from OE falling edge to active
at outputs SSCLK1/2 (asynchronous)
—15
—
ns
*Note:
Jitter performance depends on configuration and programming parameters.
Table 3. Absolute Maximum Conditions
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Main Supply Voltage
VDD
–0.5
—
4.2
V
Input Voltage
VIN
Relative to VSS
–0.5
—
VDD+0.5
V
Temperature, Storage
TS
Non-functional
–65
—
150
°C
Temperature, Operating Ambient
TA
Functional, C-Grade
0
—
70
°C
ESD Protection (Human Body Model)
ESDHBM
JEDEC (JESD 22-A114) –4000
—
4000
V
ESD Protection (Charge Device Model)
ESDCDM
JEDEC (JESD 22-C101) –1500
—
1500
V
ESD Protection (Machine Model)
ESDMM
JEDEC (JESD 22-A115)
–200
—
200
V
Moisture Sensitivity Level
MSL
JEDEC (J-STD-020)
1
Note:
While using multiple power supplies, the voltage on any input or I/O pin cannot exceed the power pin during power-up.
Power supply sequencing is not required.