DS2482S-100+ Maxim Integrated Products, DS2482S-100+ Datasheet
DS2482S-100+
Specifications of DS2482S-100+
Related parts for DS2482S-100+
DS2482S-100+ Summary of contents
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... MOSFET for Stronger Pullup Requirements ♦ Two Address Inputs for slave ♦ Operating Range: 2.9V to 5.5V, -40°C to +85°C ♦ 8-Pin (150 mils) SO and 9-Bump WLP Packages Applications PART DS2482S-100+ DS2482S-100+T&R DS2482X-100+T + Denotes a lead(Pb)-free/RoHS-compliant package. T/T&R = Tape and reel SDA SCL ...
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Single-Channel 1-Wire Master ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground.........-0.5V to +6V Maximum Current into Any Pin..........................................±20mA Operating Temperature Range ...........................-40°C to +85°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to ...
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ELECTRICAL CHARACTERISTICS (continued 2.9V to 5.5V -40°C to +85°C PARAMETER SYMBOL Fall Time High-to-Low (Notes 6, 7) Write-Zero Low Time Write-Zero Recovery Time t Reset Low Time Presence-Detect Sample Time Sampling for Short and ...
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Single-Channel 1-Wire Master ELECTRICAL CHARACTERISTICS (continued 2.9V to 5.5V -40°C to +85°C PARAMETER SYMBOL Input Capacitance SCL Clock Frequency Hold Time (Repeated) START Condition (After this period, the t HD:STA first clock pulse is ...
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PIN NAME SO WLP Power-Supply Input Input/Output Driver for 1-Wire Line 3 C2 GND Ground Reference SCL I C Serial Clock Input. Must be connected ...
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Single-Channel 1-Wire Master Device Registers The DS2482-100 has three registers that the I can read: Configuration, Status, and Read Data. These registers are addressed by a read pointer. The position of the read pointer, i.e., the register that the host ...
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Strong Pullup (SPU) The SPU bit is used to activate the strong pullup func- tion prior to a 1-Wire Write Byte or 1-Wire Single Bit command. Strong pullup is commonly used with 1-Wire EEPROM devices when copying scratchpad data to ...
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Single-Channel 1-Wire Master BIT 7 BIT 6 BIT 5 DIR TSB The read-only Status Register is the general means for the DS2482-100 to report bit-type data from the 1-Wire side, 1-Wire busy status, and its own reset status to the ...
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Function Commands The DS2482-100 understands eight function com- mands that fall into four categories: device control, I communication, 1-Wire setup, and 1-Wire communica- tion. The feedback path to the host is controlled by a read pointer, which is set automatically ...
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Single-Channel 1-Wire Master D2h Command Code Command Parameter Configuration Byte Writes a new configuration byte. The new settings take effect immediately. Note: When writing to Description the Configuration Register, the new data is accepted only if the upper nibble (bits ...
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Command Code 87h Command Parameter Bit Byte Generates a single 1-Wire time slot with a bit value “V” as specified by the bit byte at the 1-Wire line (see Table 2 value of 0b generates a write-zero time ...
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Single-Channel 1-Wire Master t MSR IH1 V IL1 PULLUP (SEE FIGURE 2) Figure 5. Write-Zero Time Slot t W1L IH1 V IL1 PULLUP (SEE FIGURE 2) NOTE: DEPENDING ...
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Command Code A5h Command Parameter Data Byte Description Writes a single data byte to the 1-Wire line. To write commands or data to the 1-Wire line. Equivalent to executing eight 1-Wire Single Bit Typical Use commands, but faster due to ...
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Single-Channel 1-Wire Master Command Code 78h Command Parameter Direction Byte Generates three time slots: two read time slots and one write time slot at the 1-Wire line. The type of write time slot depends on the result of the read ...
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MSB FIRST SDA SLAVE R/W ADDRESS SCL 1–7 8 IDLE START CONDITION 2 Figure Protocol Overview General Characteristics 2 The I C bus uses a data line (SDA) plus a clock signal (SCL) for communication. Both SDA ...
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Single-Channel 1-Wire Master SDA t BUF t LOW SCL t t HD:STA R STOP START NOTE: TIMING IS REFERENCED TO V AND V . IL(MAX) IH(MIN) 2 Figure Timing Diagram The following terminology is commonly used to ...
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In this case, the slave device does not acknowledge any of the bytes that it refuses and leaves SDA high. In ...
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Single-Channel 1-Wire Master Device Reset (After Power-Up) S AD,0 A DRST A Activities that are underlined denote an optional read access to verify the success of the command. Set Read Pointer (To Read from Another Register) Case A: Valid Read ...
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Single Bit (To Generate a Single Time Slot on the 1-Wire Line) Case A: 1-Wire Idle (1WB = 0), No Busy Polling S AD,0 A 1WSB A The idle time is needed for the 1-Wire function to complete. Then ...
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Single-Channel 1-Wire Master 1-Wire Read Byte (To Read a Byte from the 1-Wire Line) Case A: 1-Wire Idle (1WB = 0), No Busy Polling, Set Read Pointer After Idle Time S AD,0 A 1WRB A S AD,0 A The idle ...
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Triplet (To Perform a Search ROM Function on the 1-Wire Line) Case A: 1-Wire Idle (1WB = 0), No Busy Polling S AD,0 A 1WT A The idle time is needed for the 1-Wire function to complete. Then access ...
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Single-Channel 1-Wire Master reduced bus capacitance of 300pF is acceptable for pullup voltages of 4V and lower. For fast speed operation at any pullup voltage, the bus capacitance must not PORT) μ ...
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TOP VIEW + AD0 AD1 DS2482-100 GND 3 6 PCTLZ SCL 4 5 SDA SO (150 mils) For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 8 SO ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products ...