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CY28346ZC-2 参数 Datasheet PDF下载

CY28346ZC-2图片预览
型号: CY28346ZC-2
PDF下载: 下载PDF文件 查看货源
内容描述: 时钟合成器,差分CPU输出 [Clock Synthesizer with Differential CPU Outputs]
分类和应用: 晶体外围集成电路光电二极管时钟
文件页数/大小: 19 页 / 169 K
品牌: SPECTRALINEAR [ SPECTRALINEAR INC ]
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CY28346-2  
Absolute Maximum Conditions  
Parameter  
VDD  
Description  
Core Supply Voltage  
Condition  
Min.  
–0.5  
–0.5  
–0.5  
–65  
0
Max.  
4.6  
Unit  
V
VDD_A  
VIN  
Analog Supply Voltage  
Input Voltage  
4.6  
V
Relative to VSS  
VDD + 0.5  
150  
85  
VDC  
°C  
TS  
Temperature, Storage  
Non-functional  
TA  
Temperature, Operating Ambient  
Temperature, Junction  
Functional  
°C  
TJ  
Functional  
150  
45  
°C  
ØJC  
Dissipation, Junction to Case  
Dissipation, Junction to Ambient  
Mil-Spec 883E Method 1012.1  
JEDEC (JESD 51)  
°C/W  
°C/W  
V
ØJA  
15  
ESDHBM  
Ul-94  
MSL  
ESD Protection (Human Body Model) MIL-STD-883, Method 3015  
2000  
Flammability Rating  
V–0 @1/8 in.  
10  
ppm  
Moisture Sensitivity Level  
1
DC Parameters (VDD = VDDA = 3.3V 5%)  
Parameter Description  
Idd3.3V Dynamic Supply Current  
Ipd3.3V Power-down Supply Current PD# Asserted  
Conditions  
All frequencies at maximum values[3]  
Min.  
Typ.  
Max.  
Unit  
280  
mA  
mA  
pF  
Note 4  
Cin  
Cout  
Lpin  
Cxtal  
Input Pin Capacitance  
Output Pin Capacitance  
Pin Inductance  
5
6
pF  
7
nH  
pF  
Crystal Pin Capacitance  
Measured from the Xin or Xout Pin to Ground.  
30  
36  
42  
AC Parameters (VDD = VDDA = 3.3V 5%)  
66 MHz  
100 MHz  
133 MHz  
200 MHz  
Min. Max. Unit  
Parameter  
Description  
Min.  
Max.  
Min.  
Max.  
Min.  
Max.  
Notes  
Crystal  
Tdc  
Xin Duty Cycle  
Xin Period  
47.5  
69.84  
0.7Vdd  
0
52.5  
71.0  
47.5  
69.84  
0.7Vdd  
0
52.5  
71.0  
47.5  
69.84  
0.7Vdd  
0
52.5  
71.0  
47.5  
69.84  
0.7Vdd  
0
52.5  
71.0  
%
ns  
V
5, 6, 7  
Tperiod  
Vhigh  
Vlow  
5, 8, 9, 6  
Xin High Voltage  
Xin Low Voltage  
Vdd  
Vdd  
Vdd  
Vdd  
0.3Vdd  
10.0  
0.3Vdd  
10.0  
0.3Vdd  
10.0  
0.3Vdd  
10.0  
V
Tr/Tf  
Xin Rise and Fall  
Times  
ns  
10  
Tccj  
Xin Cycle to Cycle  
Jitter  
500  
500  
500  
500  
ps  
8, 11, 6  
CPU at 0.7V Timing  
Tdc  
CPUT and CPUC  
Duty Cycle  
45  
55  
45  
55  
45  
55  
45  
55  
%
11, 12, 13  
11, 12, 13  
Tperiod  
CPUT and CPUC  
Period  
14.85  
15.3  
9.85  
10.2  
7.35  
7.65  
4.85  
5.1  
ns  
Notes:  
3. All outputs loaded as per maximum capacitive load table.  
4. Absolute value = ((Programmed CPU Iref) x (2)) + 10 mA.  
5. This parameter is measured as an average over 1-Ps duration, with a crystal center frequency of 14.31818 MHz  
6. When Xin is driven from an external clock source.  
7. This is required for the duty cycle on the REF clock out to be as specified. The device will operate reliably with input duty cycles up to 30/70 but the REF clock  
duty cycle will not be within data sheet specifications.  
8. All outputs loaded as perTable 10.  
9. Probes are placed on the pins and measurements are acquired at 1.5V for 3.3V signals (see test and measurement set-up section of this data sheet).  
10. Measured between 0.2Vdd and 0.7Vdd.  
11. This measurement is applicable with Spread ON or Spread OFF.  
12. Measured at crossing point (Vx) or where subtraction of CLK-CLK# crosses 0 volts Measured from Vol = 0.175V to Voh = 0.525V.  
13. Test load is Rta = 33.2 ohms, Rd = 49.9 ohms.  
Rev 1.0,November 20, 2006  
Page 14 of 19  
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