
Si51214
Preliminary Rev. 0.7
5
Table 2. AC Electrical Specifications
(VDD = 1.8 V ±5%, 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, CL=15 pF
3
—
133
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=5 pF, 20 to 80%
—
1
3.0
ns
Output Fall Time
tf
CL=5 pF, 20 to 80%
—
1
3.0
ns
Period Jitter
PJ1
SSCLK1/2, two clocks running,
VDD=1.8 V, CL=5 pF
—160*
—ps
Cycle-to-Cycle Jitter
CCJ1
SSCLK1/2, two clocks running,
VDD=1.8 V, CL=5 pF
—120*
—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 output SSCLK (asynchronous)
—15—
ns
Output Disable Time
tOD
Time from OE falling edge to active at
output SSCLK (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
—
2.4
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.