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HT7024A Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT7024A Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
1 / 16 page HT70XX Voltage Detector Selection Table Part No. Detectable Voltage Hysteresis Width Tolerance HT7022A 2.2V 0.11V ±5% HT7024A 2.4V 0.12V ±5% HT7027A 2.7V 0.135V ±5% HT7033A 3.3V 0.165V ±5% HT7039A 3.9V 0.195V ±5% HT7044A 4.4V 0.22V ±5% HT7050A 5.0V 0.25V ±5% HT7070A 7.0V 0.35V ±5% Note: The output type selection codes are: NMOS open drain normal open, active low For example: The HT7070A is a 7.0V, NMOS open drain active low output Output type selection table VDD VDD >VDET(+) VDD £VDET(-) Type VOUT A Hi-Z VSS Rev. 1.60 1 January 14, 2003 General Description The HT70XX series is a set of three-terminal low power voltage detectors implemented in CMOS technology. Each voltage detector in the series detects a particular fixed voltage ranging from 2.2V to 7V. The voltage de- tectors consist of a high-precision and low power con- sumption standard voltage source, a comparator, hysteresis circuit, and an output driver. CMOS technol- ogy ensures low power consumption. Although designed primarily as fixed voltage detectors, these devices can be used with external components to detect user specified threshold voltages (NMOS open drain type only). Features · Low power consumption · Low temperature coefficient · Built-in high-stability reference source · Built-in hysteresis characteristic · TO-92 & SOT-89 package Applications · Battery checkers · Level selectors · Power failure detectors · Microcomputer reset · Battery memory backup · Non-volatile RAM signal storage protectors |
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