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| 型号： | DS1077LU-66 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/21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
9 of 21
Figure 2 details how data transfer is accomplished on the 2-wire bus. Depending upon the state of the
R/W bit, two types of data transfer are possible:
1) Data transfer from a master transmitter to a slave receiver. The first byte transmitted by the
master is the slave address. Next, follows a number of data bytes. The slave returns an acknowledge
bit after each received byte.
2) Data transfer from a slave transmitter to a master receiver. The first byte (the slave address) is
transmitted by the master. The slave then returns an acknowledge bit. Next, follows a number of data
bytes transmitted by the slave to the master. The master returns an acknowledge bit after all received
bytes other than the last byte. At the end of the last received byte, a ‘not acknowledge’ is returned.
The master device generates all of the serial clock pulses and the START and STOP conditions. A
transfer is ended with a STOP condition or with a repeated START condition. Since a repeated START
condition is also the beginning of the next serial transfer, the bus will not be released.
The DS1077L can operate in the following two modes:
1) Slave receiver mode: Serial data and clock are received through SDA and SCL. After each byte is
received, an acknowledge bit is transmitted. START and STOP conditions are recognized as the
beginning and end of a serial transfer. Address recognition is performed by hardware after reception
of the slave address and direction bit.
2) Slave transmitter mode: The first byte is received and handled as in the slave receiver mode.
However, in this mode, the direction bit will indicate that the transfer direction is reversed. Serial data
is transmitted on SDA by the DS1077L while the serial clock is input on SCL. START and STOP
conditions are recognized as the beginning and end of a serial transfer.
SLAVE ADDRESS
A control byte is the first byte received following the START condition from the master device. The
control byte consists of a four-bit control code; for the DS1077L, this is set as 1011 binary for read and
write operations. The next three bits of the control byte are the device select bits (A2, A1, and A0) and
can be written to the EEPROM. They are used by the master device to select which of eight devices are to
be accessed. The select bits are in effect the three least significant bits of the slave address. The last bit of
the control byte (R/ W ) defines the operation to be performed. When set to a one a read operation is
selected, and when set to a zero a write operation is selected. Following the START condition, the
DS1077L monitors the SDA bus checking the device type identifier being transmitted. Upon receiving the
1011 code (changeable with one mask) and appropriate device select bits, the slave device outputs an
acknowledge signal on the SDA line.
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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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