SI5345_16 Datasheet, PDF (30/60 Pages) Silicon Laboratories – 10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier

Si5345/44/42 Rev D Data Sheet
Electrical Specifications
Table 5.6. LVCMOS Clock Output Specifications
V_DD = 1.8 V ±5%, V_DDA = 3.3 V ±5%, V_DDO = 1.8 V ±5%, 2.5 V ±5%, or 3.3 V ±5%, T_A = –40 to 85 °C
Parameter
Output Frequency
Duty Cycle
Output-to-Output Skew
Output Voltage High^{1, 2, 3}
Output Voltage Low^{1, 2, 3}
LVCMOS Rise and Fall
Times³
(20% to 80%)
Symbol
Test Condition
Min
Typ
f_OUT
0.0001
—
f_OUT <100 MHz
DC
100 MHz < f_OUT < 250 MHz
48
—
45
—
When outputs are on same MultSynth.
T_SK
F_OUT = 156.25 MHz
—
30
V_DDO = 3.3 V
OUTx_CMOS_DRV = 1 I_OH = –10 mA V_DDO x 0.85
—
OUTx_CMOS_DRV = 2 I_OH = –12 mA V_DDO x 0.85
—
OUTx_CMOS_DRV = 3 I_OH = –17 mA V_DDO x 0.85
—
V_DDO = 2.5 V
V_OH OUTx_CMOS_DRV = 1 I_OH = –6 mA V_DDO x 0.85
—
OUTx_CMOS_DRV = 2 I_OH = –8 mA V_DDO x 0.85
—
OUTx_CMOS_DRV = 3 I_OH = –11 mA V_DDO x 0.85
—
V_DDO = 1.8 V
OUTx_CMOS_DRV = 2 I_OH = –4 mA V_DDO x 0.85
—
OUTx_CMOS_DRV = 3 I_OH = –5 mA V_DDO x 0.85
—
V_DDO = 3.3 V
OUTx_CMOS_DRV = 1 I_OL = 10 mA
—
—
OUTx_CMOS_DRV = 2 I_OL = 12 mA
—
—
OUTx_CMOS_DRV = 3 I_OL = 17 mA
—
—
V_DDO = 2.5 V
V_OL OUTx_CMOS_DRV = 1 I_OL = 6 mA
—
—
OUTx_CMOS_DRV = 2 I_OL = 8 mA
—
—
OUTx_CMOS_DRV = 3 I_OL = 11 mA
—
—
V_DDO = 1.8 V
OUTx_CMOS_DRV = 2 I_OL = 4 mA
—
—
OUTx_CMOS_DRV = 3 I_OL = 5 mA
—
—
V_DDO = 3.3V
—
400
tr/tf
V_DDO = 2.5 V
—
450
V_DDO = 1.8 V
—
550
Max
250
52
55
140
—
—
—
—
—
—
—
—
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
V_DDO x 0.15
600
600
750
Unit
MHz
%
%
ps
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
ps
ps
ps
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