SX1781 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SX1781' PDF : 16 Pages View PDF
SX1781
PLL Frequency Synthesizer with integrated VCO
ADVANCED COMMUNICATIONS & SENSING
FINAL
DATASHEET
3. DC Characteristics
Table 4 CSB, MOSI, SCK and SLEEPB Pins
Parameter
Vin High
Vin Low
Input Leakage Current
Symbol
V IH
V IL
ILEAK
Minimum
2
-
-1
Typical
-
-
-
Maximum
-
0.8
1
Units
V
V
µA
Table 5 MISO, LD Output Ports
Parameter
Vout Low (lOL = 4mA)
Vout High (lOH = 4mA)
Drive Current
Symbol
Vol
Voh
ID
Minimum
-
2.4
-
Typical
-
-
Note: MISO and MOSI have no internal pull-up/down. MOSI is in High-Z when not used.
Maximum
0.4
-
4
Units
V
V
mA
4. AC and DC Characteristics
Table 6 CLK Pin
Parameter
Input impedance
Vin High, DC coupling
at input
Vin Low, DC coupling
at input
CLK amplitude, AC
coupling at input
Symbol
Zin
V IH
V IL
V AC
Note: See Input Reference Signal section.
Minimum
80
2
-
0.5
Typical
-
-
-
-
Maximum
120
-
0.8
VDD
Units
kΩ
V
V
Vp-p
Rev 1 - November 2008
©2008 Semtech Corp.
Page 5
www.semtech.com
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