5.0 mm x 3.2 mm Package Pinout ............................................................................................................................................... 1
Ordering Information .................................................................................................................................................................... 2
Device Configurations and Pin-outs ........................................................................................................................................... 10
Pin-out Top Views............................................................................................................................................................... 10
Test Circuit Diagrams for LVCMOS and Clipped Sinewave Outputs ......................................................................................... 11
Frequency Stability ............................................................................................................................................................. 19
Output Frequency and Format ............................................................................................................................................ 19
Output Frequency Tuning ................................................................................................................................................... 19
Pin 1 Configuration (OE, VC, or NC) .................................................................................................................................. 20
Control Voltage Bandwidth ................................................................................................................................................. 23
Pull Range and Absolute Pull Range .................................................................................................................................. 25
Output Frequency ............................................................................................................................................................... 26
I
2
C Control Registers .......................................................................................................................................................... 28
Serial Interface Configuration Description .......................................................................................................................... 31
Serial Signal Format ........................................................................................................................................................... 31
Parallel Signal Format ........................................................................................................................................................ 32
Parallel Data Format ........................................................................................................................................................... 32
I
2
C Timing Specification ...................................................................................................................................................... 34
I
2
C Device Address Modes ................................................................................................................................................. 35
Schematic Example ............................................................................................................................................................ 36
Dimensions and Patterns ........................................................................................................................................................... 37
Additional Information ................................................................................................................................................................ 39
Revision History ......................................................................................................................................................................... 40
Rev 1.00
Page 3 of 40
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SiT5346
1 MHz – 60 MHz, ±0.1 to ±0.25 ppm, Endura™ Series Precision Super-TCXO
Electrical Characteristics
All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise
stated. Typical values are at 25°C and 3.3 V Vdd.
Table 1. Output Characteristics
Parameters
Nominal Output Frequency Range
Operating Temperature Range
Symbol
F_nom
T_use
Min.
1
-20
-40
-40
Acceleration (g) sensitivity, Gamma
Vector
F_g
Typ.
–
–
–
–
Max.
60
+70
+85
+105
Unit
MHz
°C
°C
°C
Extended Commercial, ambient temperature
Industrial, ambient temperature
Extended Industrial, ambient temperature
Ultra-low sensitivity grade; total gamma over 3 axes; 15 Hz
to 2 kHz; MIL-PRF-55310, computed per section 4.8.18.3.1
Low sensitivity grade; total gamma over 3 axes; 15 Hz to 2
kHz; MIL-PRF-55310, computed per section 4.8.18.3.1
Referenced to (max frequency + min frequency)/2 over the
rated temperature range, in TCXO, DCTCXO, or VCTCXO
(VCTCXO with ±6.25 ppm pull range, Vc=Vdd/2)
Initial frequency at 25°C at 48 hours after 2 reflows
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Microcontroller MCU
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