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參數(shù)資料
| 型號： | DS1077U-133 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Clock Generator |
| 英文描述： | 133.333 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | 0.118 INCH, MICRO, SO-8 |
| 文件頁數(shù)： | 11/17頁 |
| 文件大?。?/td> | 103K |
| 代理商： | DS1077U-133 |
DS1077
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OVERVIEW
A block diagram of the DS1077 is shown in Figure 1. The DS1077 consists of four major components:
Internal Master Oscillator
Prescalers
Programmable Divider
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 directly 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 & 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 & 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 & 0M0). (Refer to Table 1)
CONTROL PIN 0 (CTRL0) A multi-functional input pin that can be selected as a MUX SELECT,
OUTPUT ENABLE and/or a POWER DOWN. Its function is determined by the user-programmable
control register values EN0, SEL0 and PDN0. (Refer to Table 1)
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參數(shù)描述 |
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| DS1077U-133/T&R | 功能描述:可編程振蕩器 RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1077U-133+ | 功能描述:可編程振蕩器 EconOscillator/Dvdr 133MHz 150mil 2-Wire RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| 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:可編程振蕩器 EconOscillator/Dvdr 133MHz 150mil 2-Wire RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1077U-66 | 功能描述:可編程振蕩器 EconOscillator/Dvdr 66MHz 150mil 2-Wire RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
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