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参数资料
| 型号： | DS1077LZ-40 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/21页 |
| 文件大小： | 0K |
| 描述： | IC ECONOSCILLATOR 40MHZ 8-SOIC |
| 应用说明： | DS1077L Application Notes |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 系列： | EconOscillator™ |
| 类型： | 振荡器，固定频率（双路） |
| 频率： | 4.87kHz ~ 40MHz |
| 电源电压： | 2.7 V ~ 3.6 V |
| 电流 - 电源： | 15mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOIC |
| 安装类型： | 表面贴装 |
DS1077L
6 of 21
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 is 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, and its frequency is determined by the SEL0 bit.
If EN0 = 0, the function of CTRL0 is determined by the SEL0 and PDN0 bits. (See 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. (See Table 1.)
PDN0
(Default PDN0 = 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. This feature can be used to save
power when OUT0 is not used. (See Table 1.)
PDN1
(Default PDN1 = 0)
If PDN1 = 1, CTRL1 will function as a power-down.
If PDN1 = 0, CTRL1 functions as an output enable for OUT1 only. (See Table 2.)
NOTES (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. The device cannot be programmed in power-down mode.
5. A power-down command must persist for at least 2 cycles of the lowest output frequency plus 10s.
DIV WORD
MSB
LSB MSB
LSB
N9
N8
N7
N6
N5
N4
N3
N2
N1
N0
X
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. (See Table 5.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1077LZ-40/T&R | 制造商:Maxim Integrated Products 功能描述:3V OSC 2WIRE 40MHZ 8P SOIC T&R - Tape and Reel |
| DS1077LZ-40/T&R | 功能描述:可编程振荡器 EconOscillator/Dvdr 40Mhz 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: |
| DS1077LZ-40+ | 功能描述:可编程振荡器 EconOscillator/Dvdr 40Mhz 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: |
| DS1077LZ-40+T&R | 制造商:Maxim Integrated Products 功能描述:OSC/DIVIDER 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONOSCILLATOR 40MHZ 8-SOIC |
| DS1077LZ-40+T&R | 功能描述:可编程振荡器 EconOscillator/Dvdr 40Mhz 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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