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TS809RCXD Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS809RCXD Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 6 page TS809/810/809R/810R 1-6 2004/09 rev. D TS809/ 810/ 809R/ 810R Microprocessor Reset Circuit Pin assignment: TS809/810 1. Gnd 2. RESET (RESET) 3. Vcc Pin assignment: TS809R/810R 1. RESET (RESET) 2. Gnd 3. Vcc Threshold Voltage Option From 2.63V ~ 4.63V General Description The TS809/810/809R/810R are microprocessor (µP) supervisory circuit used 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 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 240ms(typ) after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The TS809/810/809R/810R have push pull outputs. The TS809/809R have an active low RESET output, while the TS810/810R has an active high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the output guaranteed to be in the correct logic state for VCC down to 1V. Low supply correct makes the TS809/810/809R/810R ideal for use in portable equipment. The TS809/810/809R/810R is available in a 3-pin SOT-23 package. Features 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 (TS809 & TS809R) Push-Pull RESET high output (TS810 & TS810R) 140mS min. power-on reset pulse width 12uA supply current Guaranteed reset valid to Vcc = +1V Power supply transient immunity No external components 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 Part No. Enable Function Package TS809CX x Active-Low TS810CX x Active-High TS809RCXx Active-Low TS810RCXx Active-High SOT-23 Applications Computers Controllers Intelligent instruments Critical uP and uC power monitoring Portable / Battery powered equipment Automotive Pin Descriptions Name Description Gnd Ground RESET (RESET) Reset output pin L: for TS809 & TS811 H: for TS809R & TS811R Vcc Operating voltage input |
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