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MICRF302YML Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MICRF302YML Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 15 page Micrel, Inc. MICRF302 March 2010 4 M9999-032610-A Absolute Maximum Ratings (1) Supply Voltage (VDD) ……………………...…-0.3 V to +4 V Voltage on Any Pin................... VSS - 0.3 V to VDD + 0.3 V Junction Temperature ................................-55°C to +150°C Storage Temperature .................................-65°C to +150°C Lead Temperature (soldering, 10 s)......................... +300°C ESD Rating (3).........................................................2kV HBM Operating Ratings (2) Supply Voltage (VDD)...................................... 1.8 V to 3.6 V Ambient/junction Temperature.....................-40°C to +85°C Electrical Characteristics VIN = 3.3V; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C, unless noted. Parameter Condition Min Typ Max Units Operating Supply Current Fully Operational 130 200 µA Standby Current Chip Disabled 0.3 1 µA Analog Section MICRF302 Parallel Encoder Timing (Note 4) On-chip oscillator frequency accuracy Does not depend on data rate -10 0 +10 % One bit time 0.9 1.0 1.1 ms One packet time 98 ms Delay between data packets 5 ms Switch closure to TXEN (TD_TXEN) Does not depend on data rate <1 µs Transmit Timeout (6) Does not depend on data rate 22.5 25 27.5 s Transmit Enable to Data Out (TTXEN_DOUT) 36 40 44 ms Pulse rejection (deglitch) by D0-D3 (Note 5) Does not depend on data rate 7.2 8 8.8 ms Digital Section Input Low Voltage D0 to D3 pins 0.1 VDD V Input High Voltage D0 to D3 pins 0.9 VDD V Output High Voltage TXEN/DOUT pin, 1µA Load 0.9 VDD V Output Low Voltage TXEN/DOUT pin, 1µA Load 0.1 VDD V Output Tr, Tf TXEN/DOUT pin, Cload = 15pF 10 µs DOUT and TXEN, Output Current Source at 0.8 VDD Sink at 0.2 VDD 3 10 mA Notes: 1. Exceeding the absolute maximum rating may damage the device 2. The device is not guaranteed to function outside its operating rating 3. This device is ESD sensitive 4. Timing numbers are for a data rate of 1 kbps. Except where shown, all data timing scales linearly with the data rate. 5. In this context, deglitching refers to the D0-D3 pins’ ability to reject high- or low-going glitches. Deglitching makes it much easier to use low-cost push-to-make switches which have inherently noisy contacts. 6. Guaranteed by design. |
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