SS8017TR SSC [Silicon Standard Corp.], SS8017TR Datasheet
SS8017TR
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SS8017TR Summary of contents
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... LAN Servers Multi-Chip Modules Industrial Controllers Ordering Information SS8017XX Packing type TR: Tape and reel Example: SS8017TR à SS8017 shipped in tape and reel Rev.2.01 6/06/2003 Two Remote Temperature Sensors with SMBus Serial Interface and System Reset Description The SS8017 contains a precise digital thermometer, a system-reset circuit, and a programmable thermal shutdown signal ...
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The SS8017 also contains a microprocessor ( µP)su- pervisory circuit used to monitor the power supplies in µP and digital systems. This provides excellent circuit reliability and low cost by eliminating external compo- nents and adjustments when used with 5V-powered ...
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Absolute Maximum Ratings VCC to GND………….….………………………………………………..……….-0.3V to +6V DXP to GND……….……………………………………………………..……..…-0.3V to VCC + 0.3V DXN to GND………………………………………………….……..……………..-0.3V to +0.8V SMBCLK, SMBDATA, ALERT to GND……………………………………...…-0.3V to +6V SMBDATA, ALERT Current………………………………………………..…….-1mA to +50mA DXN Current………………………………………………..…..………………….±1mA ESD Protection (SMBCLK, SMBDATA, ALERT , ...
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Electrical Characteristics (cont.) (VCC = + 3.3V 0°C to +85°C, unless otherwise noted.) A PARAMETER SMBus Interface Logic Input High Voltage Logic Input Low Voltage Logic Output Low Sink Current Output High Leakage Current Logic Input Current SMBus ...
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Pin Description PIN NAME 1,6,10,13,15 NC Not connected. 2 Vcc Supply Voltage Input, 4.5V to 5.5V. Bypass to GND with a 0.1µF capacitor. Combined Current Source and A/D Positive Input for remote-diode channel 1. Do not leave DXP1 floating; 3 ...
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Block Diagram DXP1 DXP1 DXP2 DXN DXN INTERNAL GROUND INTERNAL GROUND Detailed Description The SS8017 consists of two temperature sensors, one on-chip temperature sensor and includes a system-reset function. The temperature sensor is designed ...
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A/D Conversion Sequence If a Start command is written (or generated automati- cally in the free-running auto-convert mode), both two channels are converted, and the results of both meas- urements are available after the end of conversion. A BUSY status ...
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In this way, most parasitic thermocouple errors are swamped out. Use wide traces. Narrow ones are more inductive and tend to pick up radiated noise. The 10 mil widths and spacing recommended on Figure 2 aren't absolutely necessary (as they ...
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Ensuring a Valid Reset Output Down to V When V falls below 1V, the SS8017 RESET out- CC put no longer sinks current-it becomes an open cir- cuit. Therefore, high-impedance CMOS logic inputs connected to RESET can drift to undetermined ...
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Write Byte Format S Address WR 7 bits Slave Address: equivalent to chip-select line of a 3-wire interface Command Byte: selects, which register you, are writing to Data Byte: data goes into the register set by the command byte (to ...
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Table 3. Data Format (Twos-Complement) ROUND DIGITAL OUTPUT TEMP. TEMP. DATA BITS ( SIGN +130.00 +127 0 +127.00 +127 0 +126.50 +127 0 +126.00 +126 0 +25.25 +25 0 +0. +0. +0.00 +0 ...
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Table 4. Command-Byte Bit Assignments REGISTER COMMAND RRTE2 00h RRTE1 01h RSL 02h RCL 03h RCRA 04h RRHI2 05h RRLS2 06h RRHI1 07h RRLS1 08h WCA 09h WCRW 0Ah WRHA2 0Bh WRLN2 0Ch WRHA1 0Dh WRLN1 0Eh OSHT 0Fh TCRIT1 ...
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Table 5. Configuration-Byte Bit Assignments BIT NAME POR STATE 7 (MSB) MASK 0 6 RUN / STOP 0 5 DET_FAN 0 4 EN_TH_SHUT 1 3-0 FQ_TH_SHUT 0010b Table 6. Number of Faults assigned by FQ_TH_SHUT FQ_TH_SHUT Number of Faults 0000b ...
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Table 9. RLTS and RRTE Temp Register Update Timing Chart OPERATING CONVERSION MODE INITIATED BY: Auto-Convert Power-on reset 1-shot command, while idling be- Auto-Convert tween automatic conversions 1-shot command that occurs dur- Auto-Convert ing a conversion Auto-Convert Rate timer Auto-Convert ...
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V levels below 3V are not CC recommended. A second Vcc comparator, the ADC UVLO comparator, prevents the ADC from converting until there is sufficient headroom (Vcc = 2.8V typical). Power-Up Defaults: n Interrupt latch ...
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Physical Dimensions D ¢ X (4X Note: 1. Package body sizes exclude mold flash and gate burrs 2. Dimension L is measured in gage plane 3. Tolerance 0.10mm unless other wise specified 4. Controlling dimension is millimeter ...