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TS3809CXE Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS3809CXE Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 7 page TS3809/3810 Series Microprocessor Reset Circuit 1/7 Version: D11 SOT-23 General Description The TS3809/3810 series are used for microprocessor (µP) supervisory circuits to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, +2.5V powered circuits. These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 200ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. TS3809/3810 series have push pull outputs. TS3809 series have an active low RESET output, while the TS3810 has an active high RESET output The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 1.0V. Low supply current makes TS3809/3810 series ideal for use in portable equipment. Features ● High Accurate: ±2% ● Precision monitoring of +3V, +3.3V and +5V Power supply voltage ● Fully specified over temperature ● Available in three output configurations ● Push-Pull RESET low output (TS3809) ● Push-Pull (RESET) high output (TS3810) ● 200mS typ. Power-on reset pulse width ● 25µS supply current ● Guaranteed reset valid to Vcc=+1V ● Power supply transient immunity Ordering Information Note: x is the threshold voltage type, option as: A : 4.63V B : 4.38V C : 4.00V D : 3.08V E : 2.93V F : 2.63V G : 2.25V Part No. Package Packing TS3809CXx RF SOT-23 3Kpcs / 7” Reel TS3810CXx RF SOT-23 3Kpcs / 7” Reel Typical Application Circuit Applications ● Battery-operated systems and Controllers ● Intelligent instruments ● Critical uP and uC power monitoring ● Portable / Battery powered equipment ● Automotive Absolute Maximum Rating Parameter Symbol Maximum Unit Terminal Voltage (with respect to Gnd) VCC GND - 0.3 to GND +6.5 V RESET & (RESET) push-pull VRESET GND - 0.3 to VCC +0.3 V Input Current, VCC ICC 20 mA Output Current, RESET, (RESET) IO 5 mA Power Dissipation PD (TJ-TA)/ θ JA mW Operating Junction Temperature Range TJ.OPR -40 ~ +125 oC Storage Temperature Range TSTG -65 ~ +150 oC Lead Soldering Temperature (260 oC) TLEAD 10 S Pin Definition: TS3809 TS3810 1. GND 1. GND 2. RESET 2. (RESET) 3. VCC 3. VCC |
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