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| 型号： | DS1077LU-66 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/21页 |
| 文件大小： | 0K |
| 描述： | IC ECONOSCILLATOR 66.7MHZ 8-USOP |
| 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： | 50 |
| 系列： | EconOscillator™ |
| 类型： | 振荡器，固定频率（双路） |
| 频率： | 8.13kHz ~ 66.7MHz |
| 电源电压： | 2.7 V ~ 3.6 V |
| 电流 - 电源： | 30mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-uMAX |
| 安装类型： | 表面贴装 |
DS1077L
3 of 21
OVERVIEW
A block diagram of the DS1077L is shown in Figure 1. The DS1077L consists of four major components:
1) internal master oscillator, 2) prescalers, 3) programmable divider, and 4) control registers.
The internal oscillator is factory trimmed to provide a master frequency (master clk) that can be routed
directly to the outputs (OUT0 & OUT1) or through separate prescalers (P0 & P1). OUT1 can also be
routed through an additional divider (N).
The prescaler (P0) divides the master clock by 1, 2, 4, or 8 to be routed directly to the OUT0 pin.
The prescaler (P1) divides the master clock by 1, 2, 4, or 8 that can be routed to the OUT1 pin or to the
divider (N) input, which is then routed to the OUT1 pin.
The programmable divider (N) divides the prescaler output (P1) by any number selected between 2 and
1025 to provide the main output (OUT1) or it can be bypassed altogether by use of the DIV1 register bit.
The value of N is stored in the N register.
The control registers are user-programmable through a 2-wire serial interface to determine operating
frequency (values of P0, P1, and N) and modes of operation. The register values are stored in EEPROM
and, therefore, only need to be programmed to alter frequencies and operating modes.
PIN DESCRIPTIONS
OUTPUT 1 (OUT1) – This pin is the main oscillator output; its frequency is determined by the control
register settings for the prescaler P1 (mode bits 1M1 and 1M0) and divider N (DIV WORD).
OUTPUT 0 (OUT0) – A reference output, OUT0, is taken from the output of the reference-select MUX.
Its frequency is determined by the control register settings for CTRL0 and values of prescaler P0 (mode
bits 0M1 and 0M0). (See Table 1.)
CONTROL PIN 0 (CTRL0) – A multifunctional input pin that can be selected as a MUX select, output
enable, and/or a power-down. The user-programmable control register values EN0, SEL0, and PDN0
determine its function. (See Table 1.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1077LU-66+ | 功能描述:可编程振荡器 EconOscillator/Dvdr 66Mhz 118mil 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: |
| DS1077LU-66+T | 功能描述:可编程振荡器 EconOscillator/Dvdr 66Mhz 118mil 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 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: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: |
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