5.0 mm x 3.2 mm Package Pinout ............................................................................................................................................... 1
Ordering Information .................................................................................................................................................................... 2
Device Configurations and Pin-outs ............................................................................................................................................. 9
Pin-out Top Views................................................................................................................................................................. 9
Test Circuit Diagrams for LVCMOS and Clipped Sinewave Outputs ......................................................................................... 10
Frequency Stability ............................................................................................................................................................. 16
Output Frequency and Format............................................................................................................................................ 16
Output Frequency Tuning ................................................................................................................................................... 16
Control Voltage Bandwidth ................................................................................................................................................. 20
Pull Range and Average Pull Range .................................................................................................................................. 22
Output Frequency ............................................................................................................................................................... 23
I
2
C Control Registers .......................................................................................................................................................... 25
Serial Interface Configuration Description .......................................................................................................................... 28
Serial Signal Format ........................................................................................................................................................... 28
Parallel Signal Format ........................................................................................................................................................ 29
Parallel Data Format ........................................................................................................................................................... 29
I
2
C Timing Specification ...................................................................................................................................................... 31
I
2
C Device Address Modes ................................................................................................................................................. 32
Schematic Example ............................................................................................................................................................ 33
Dimensions and Patterns ........................................................................................................................................................... 34
Additional Information ................................................................................................................................................................ 36
Revision History ......................................................................................................................................................................... 37
Rev 1.06
Page 3 of 38
www.sitime.com
SiT5156
1 MHz to 60 MHz, ±0.5 to ±2.5 ppm, Elite Platform™ 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
Frequency Stability over
Temperature
Initial Tolerance
Supply Voltage Sensitivity
F_stab
–
–
–
F_init
F_Vdd
–
–
–
–
Output Load Sensitivity
F_load
–
–
–
Frequency vs. Temperature Slope
ΔF/ΔT
–
–
–
Dynamic Frequency Change during
Temperature Ramp
One-Year Aging
20-Year Aging
F_dynamic
–
–
–
F_1y
F_20y
–
–
Typ.
–
–
–
–
–
–
–
–
±7.10
±11.83
±28.40
±0.81
±1.35
±3.24
±15
±25
±60
±0.13
±0.21
±0.50
±1
±2
Max.
60
+70
+85
+105
±0.5
±1.0
±2.5
±1
±16.25
±32.50
±65.0
±2.75
±5.50
±11.00
±25
±50
±100
±0.21
±0.42
±0.83
–
–
Unit
MHz
°C
°C
°C
ppm
ppm
ppm
ppm
ppb
ppb
ppb
ppb
ppb
ppb
ppb/°C
ppb/°C
ppb/°C
ppb/s
ppb/s
ppb/s
ppm
ppm
Initial frequency at 25°C at 48 hours after 2 reflows
100"; if (reset='1' or jian='1' or jia='1') then i:=4; 1100100; if (reset='1' or jian='1' or jia='1') then 0:=4; 1213133534555555555695000000000000000000000000001100100) 12213133534555555556950 ... re...
TO Moderator:What is the ambient temperature in which STM8 can work?I have measured the highest temperature, which can reach 150 degrees, and some are 130 degrees....
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i] Mr. Tan Jun, President of ARM China, has delved into the "Apple Core" and stood on the "Industry Ball", using two new perspectiv...
My bsp contains stepldr and eboot. I want to run eboot. However, after burning stepldr.nb1 into flash, dnw displays garbled characters! ! ! ! This is the initial code of the serial port: void Uart_Ini...
I just came into contact with the F7 board recently. I transplanted the program on the previous STM32F407 board to the F746, and found that the running speed of the F746 is not as fast as that of the ...
Embedded System
京公网安备 11010802033920号
EEWORLD
