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参数资料
| 型号： | DS1077U-133 |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Clock Generator |
| 英文描述： | 133.333 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.118 INCH, MICRO, SO-8 |
| 文件页数： | 14/17页 |
| 文件大小： | 103K |
| 代理商： | DS1077U-133 |
DS1077
6 of 17
EN0 (bit)
(Default EN0=1)
If EN0=1 and PDN0= 0 the CTRL0 pin functions as an Output Enable for OUT0, the frequency of the
output being determined by the SEL0 bit.
If PDN0=1, the EN0 bit is ignored, CTRL0 will function as a power down, output OUT0 will always be
enabled on power up, its frequency being determined by the SEL0 bit.
If EN0= 0 the function of CTRL0 is determined by the SEL0 and PDN0 bits
(Refer to Table 1)
SEL0
(Default SEL0=1)
If SEL0=1 and EN0=PDN0=0 the CTRL0 pin determines the state of the MUX, (i.e., the output frequency
of OUT0)
If CTRL0=0 the output will be the Master clock frequency
If CTRL0=1 the output will be the output frequency of the M prescaler
If either EN0 or PDN0 = 1 then SEL0 determines the frequency of OUT0 when it is enabled.
If SEL0=0 the output will be the Master clock frequency
If SEL0=1 the output will be the output frequency of the M prescaler
(Refer to Table 1)
PDN0
(Default PDN=0)
This bit (if set to 1) causes CTRL0 to perform a power down function, regardless of the setting of the
other bits
If PDN0=0 the function of CTRL0 is determined by the values of EN0 and SEL0
Note: When EN0=SEL0=PDN0=0, CTRL0 also functions as a power down. This is a special case
where all the OUT0 circuitry is disabled even when the device is powered up for power to
saving when OUT0 is not used. (Refer Table 1)
PDN1
(Default PDN1=0)
If PDN1=1, CTRL1 will function as a power down
If PDN=0, CTRL1 functions as an output enable for OUT1 only
(Refer to Table 2)
Note on Output Enable and Power Down:
1. Both enables are “smart” and wait for the output to be low before going to Hi-Z
2. Power down sequence first disables both outputs before powering down the device
3. On power up the outputs are disabled until the clock has stabilized ( ~8000 cycles)
4. In power down mode the device can not be programmed
5. A power down command must persist for at least 2 cycles of the lowest output frequency plus 10
microseconds.
DIV WORD
msb
lsb
msb
lsb
n9
n8
n7
n6
n5
n4
n3
n2
n1
n0
XXXXXX
first data byte
second data byte
N
These ten bits determine the value of the programmable divider (N). The range of divisor values is from 2
to 1025, and is equal to the programmed value of N plus 2.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1077U-133/T&R | 功能描述:可编程振荡器 RoHS:否 制造商:IDT 封装 / 箱体:5 mm x 7 mm x 1.5 mm 频率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 频率稳定性:+/- 50 PPM 电源电压:3.63 V 负载电容:10 pF 端接类型:SMD/SMT 输出格式:LVPECL 最小工作温度:- 40 C 最大工作温度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封装: |
| DS1077U-133+ | 功能描述:可编程振荡器 EconOscillator/Dvdr 133MHz 150mil 2-Wire RoHS:否 制造商:IDT 封装 / 箱体:5 mm x 7 mm x 1.5 mm 频率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 频率稳定性:+/- 50 PPM 电源电压:3.63 V 负载电容:10 pF 端接类型:SMD/SMT 输出格式:LVPECL 最小工作温度:- 40 C 最大工作温度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封装: |
| DS1077U-133+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:ECONO-OSC 8P USOP 2-W 133MHZ T&R LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONOSCILLATOR 133.3MHZ 8USOP 制造商:Maxim Integrated Products 功能描述:Programmable Oscillators EconOscillator/Dvdr 133MHz 150mil 2-Wire |
| DS1077U-133+T&R | 功能描述:可编程振荡器 EconOscillator/Dvdr 133MHz 150mil 2-Wire RoHS:否 制造商:IDT 封装 / 箱体:5 mm x 7 mm x 1.5 mm 频率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 频率稳定性:+/- 50 PPM 电源电压:3.63 V 负载电容:10 pF 端接类型:SMD/SMT 输出格式:LVPECL 最小工作温度:- 40 C 最大工作温度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封装: |
| DS1077U-66 | 功能描述:可编程振荡器 EconOscillator/Dvdr 66MHz 150mil 2-Wire RoHS:否 制造商:IDT 封装 / 箱体:5 mm x 7 mm x 1.5 mm 频率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 频率稳定性:+/- 50 PPM 电源电压:3.63 V 负载电容:10 pF 端接类型:SMD/SMT 输出格式:LVPECL 最小工作温度:- 40 C 最大工作温度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封装: |
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