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參數(shù)資料
| 型號： | DS1065T-60 |
| 英文描述： | IC-OSC/DIVIDER |
| 中文描述： | IC-OSC/DIVIDER |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 207K |
| 代理商： | DS1065T-60 |
DS1065
5 of 10
PROGRAMMING
Normally when power is applied to the supply voltage pin the device will enter its normal operating
mode, following the power-on reset sequence. However the device can be made to enter a programming
mode if a pullup resistor is connected between IN/OUT and the supply voltage pin prior to power-up.
The method used for programming is a variant of the 1-Wire
TM
protocol used on a number of Dallas
Semiconductor products.
HARDWARE
The hardware configuration is shown in the diagram. A bus master is used to read and write data to the
DS1065’s internal registers. The bus master may have either an open-drain or TTL-type architecture.
Figure 11
Programming mode is entered by simply powering up the DS1065 with a pullup of approximately 5k
.
This will pull the IN/OUT pin above V
IH
on power-up and initiate the programming mode, causing the
DS1065 to internally release the IN/OUT pin after t
STAB
and allow the pullup resistor to pull up the pin to
the supply rail and await the Master Tx Reset pulse (see diagram).
NOTE:
To ensure normal operation any external pullup applied to IN/OUT must be greater than 20 k
in value.
This will cause the IN/OUT pin to remain below V
IH
on power-up, resulting in normal operation at the
end of t
STAB
.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1065T-66 | 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: |
| DS1065T-80 | 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: |
| DS106C2 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Fixed Inductors for Surface Mounting |
| DS106CB | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Fixed Inductors for Surface Mounting |
| DS-107 | 制造商:Power Dynamics Inc 功能描述: |
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