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DS1077LZ-40/T&R PDF预览

DS1077LZ-40/T&R

更新时间： 2024-11-05 14:41:51
品牌 Logo 应用领域
美信 - MAXIM 时钟光电二极管外围集成电路
页数 文件大小 规格书
21页 284K
描述
Clock Generator, 40MHz, CMOS, PDSO8, 0.150 INCH, SO-8

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中文翻译

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DS1077LZ-40/T&R 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.28
JESD-30 代码：R-PDSO-G8长度：4.9 mm
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出时钟频率：40 MHz
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.75 mm最大供电电压：3.6 V
最小供电电压：2.7 V标称供电电压：3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
uPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHERBase Number Matches：1

DS1077LZ-40/T&R 数据手册

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DS1077L  
3V EconOscillator/Divider  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENTS  
CꢀProcessor-controlled or stand-alone solid-  
state oscillator  
OUT1  
OUT0  
VCC  
1
2
3
4
8
7
6
5
SCL  
CꢀFrequency changes on the fly  
SDA  
CꢀDual, low-jitter, synchronous fixed-  
CTRL1  
CTRL0  
frequency outputs  
GND  
Cꢀ2-wire serial interface  
CꢀFrequency outputs 4.87kHz to 66.666MHz  
±1.25% variation over temperature and  
voltage  
150mil SO  
118mil µSOP  
Cꢀ±0.5% initial tolerance  
CꢀNonvolatile frequency settings  
CꢀSingle 2.7V to 3.6V supply  
CꢀNo external components  
CꢀPower-down mode  
PIN DESCRIPTIONS  
OUT1  
OUT0  
VCC  
- Main Oscillator Output  
- Reference Output  
- Power-Supply Voltage  
- Ground  
GND  
CTRL1  
CTRL0  
SDA  
- Control Pin for OUT1  
- Control Pin for OUT0  
- 2-Wire Serial Data  
Input/Output  
CꢀSynchronous output gating  
STANDARD FREQUENCY OPTION  
Note: x denotes package option  
SCL  
- 2-Wire Serial Clock  
DS1077Lx-40  
DS1077Lx-50  
DS1077Lx-60  
DS1077Lx-66  
40.000MHz to 4.87kHz  
50.000MHz to 6.09kHz  
60.000MHz to 7.32kHz  
66.666MHz to 8.13kHz  
ORDERING INFORMATION  
Note: XXX denotes frequency option  
DS1077LZ-XXX 8-pin 150mil SO  
DS1077LU-XXX 8-pin 118mil µSOP  
Contact the factory for the availability of  
additional frequencies.  
DESCRIPTION  
The DS1077L is a dual-output, programmable, fixed-frequency oscillator requiring no external  
components for operation. The DS1077L can be used as a processor-controlled frequency synthesizer or  
as a stand-alone oscillator. The two synchronous output operating frequencies are user-adjustable in  
submultiples of the master frequency through the use of two on-chip programmable prescalers and  
dividers. The specific output frequencies chosen are stored in nonvolatile (EEPROM) memory. The  
DS1077L defaults to these values upon power-up.  
The DS1077L features a 2-wire serial interface that allows in-circuit on-the-fly programming of the  
programmable prescalers (P0 & P1) and divider (N) with the desired values being stored in nonvolatile  
(EEPROM) memory. Design changes can be accommodated in-circuit, on-the-fly by simply programming  
different values into the device (or reprogramming previously programmed devices). Alternatively, for  
fixed-frequency applications previously programmed devices can be used and no connection to the serial  
interface is required. Preprogrammed devices can be ordered in customer-requested frequencies.  
The DS1077L is available in SO or µSOP packages, allowing the generation of a clock signal easily,  
economically, and using minimal board area. Chip-scale packaging is also available on request.  
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