ISL12008IB8Z Intersil, ISL12008IB8Z Datasheet
ISL12008IB8Z
Specifications of ISL12008IB8Z
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ISL12008IB8Z Summary of contents
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... ISL12008IB8Z 12008 IBZ 2.7 to 5.5 - SOIC M8.15 ISL12008IB8Z-T* 12008 IBZ 2.7 to 5.5 - SOIC M8.15 *Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and ...
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Block Diagram SDA SDA BUFFER SCL SCL BUFFER X1 CRYSTAL OSCILLATOR TRIP V BAT Pin Descriptions PIN NUMBER SYMBOL 1 X1 The X1 pin is the input of an inverting amplifier and is intended to be ...
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... SDA and SCL Pin Capacitance 3 ISL12008 Thermal Information Thermal Resistance (Typical, Note 1) 8 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below + 0.5 http://www.intersil.com/pbfree/Pb-FreeReflow.asp DD + 0.5 BAT Temperature = -40°C to +85°C. Recommended Operating Conditions, unless otherwise specified. CONDITIONS ...
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Serial Interface Specifications SYMBOL PARAMETER f SCL Frequency SCL t Pulse width Suppression Time at SDA and IN SCL Inputs t SCL Falling Edge to SDA Output Data Valid AA t Time the Bus Must be Free Before the Start ...
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SDA vs SCL Timing SCL t SU:STA t HD:STA SDA (INPUT TIMING) SDA (OUTPUT TIMING) Symbol Table WAVEFORM INPUTS Must be steady May change from LOW to HIGH May change from HIGH to LOW Don’t Care: Changes Allowed N/A 5 ...
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Typical Performance Curves 0.2 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.8 2.3 2.8 3.3 3.8 V (V) BAT FIGURE BAT 3.5 3.0 2.5 2.0 1.5 1.0 -40 - TEMPERATURE (°C) ...
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... Power Control Operation The power control circuit accepts Many types of batteries can be used with Intersil RTC products. For example, 3.0V or 3.6V Lithium batteries are appropriate, and battery sizes are available that can power the ISL12008 for years. Another option is to use a ...
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The I C bus is deactivated in battery backup mode to provide lower power. Aside from this, all RTC functions are operational during battery backup mode. Except for SCL and SDA, all the inputs and outputs of the ISL12008 ...
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Also provided is the ability to adjust the crystal capacitance when the ISL12008 switches from V DD mode. See “Battery Backup Mode (V BAT (V )” on page 7. DD Register Descriptions The battery-backed registers are accessible following a slave ...
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Real Time Clock Registers REG ADDR. SECTION NAME 7 00h RTC SC ST 01h MN OF 02h HR CEB 03h DW 0 04h DT 0 05h MO 0 06h YR YR23 07h Control DTR OUT 08h INT 0 09h OF ...
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LEAP YEARS Leap years add the day February 29 and are defined as those years that are divisible by 4. Years divisible by 100 are not leap years, unless they are also divisible by 400. This means that the year ...
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OF bit for M41T00S compatibility, and the two OF bits are interchangable. Analog Trimming Register (ATR) [Address 0Ah] TABLE 5. ANALOG TRIMMING REGISTER (ATR) ADDR 0Ah BMATR1 BMATR0 ATR5 ATR4 ATR3 ...
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DIGITAL OUTPUT SELECTION BIT (OUT) This bit selects the output status of the FT/OUT. 512Hz Frequency Output Enable bit (FT) must be set to “0” (disable) for OUT to take effect on FT/OUT pin. When the OUT is set to ...
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SCL FROM MASTER SDA OUTPUT FROM TRANSMITTER HIGH IMPEDANCE SDA OUTPUT FROM RECEIVER START FIGURE 11. ACKNOWLEDGE RESPONSE FROM RECEIVER SIGNALS FROM S THE MASTER T IDENTIFICATION SIGNAL AT SDA 1 SIGNALS FROM THE ISL12008 14 ISL12008 ...
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Device Addressing Following a start condition, the master must output a Slave Address Byte. The 7 MSBs are the device identifiers. These bits are “1101000”. The last bit of the Slave Address Byte defines a read or write operation to ...
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Application Section Oscillator Crystal Requirements The ISL12008 uses a standard 32.768kHz crystal. Either through hole or surface mount crystals can be used. Table 7 lists some recommended surface mount crystals and the parameters of each. This list is not exhaustive ...
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If full industrial temperature compensation is desired in an ISL12008 circuit, then both the DTR and ATR registers will need to be utilized (total correction range = -97.0695ppm to +206.139ppm). A system to implement temperature compensation would consist of the ...
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Following are some examples with equations to assist with calculating backup times and required capacitance for the ISL12008 device. The backup supply current plays a major part in these equations, and a typical value was chosen for example purposes. For ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...