DS1233 Dallas, DS1233 Datasheet
DS1233
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DS1233 Summary of contents
Page 1
... When V the reset signal is kept in the active state for approximately 350 ms to allow the power supply and processor to stabilize. The second function of the DS1233 is pushbutton reset control. The DS1233 debounces a pushbutton closure and will generate a 350 ms reset pulse upon release. ...
Page 2
... DS1233 will debounce the switch by pulling the expired, the DS1233 will continue to monitor the continue to monitor the line looking for a rising edge. Upon detecting a release, the DS1233 will force the line low and hold it low for 350 ms. RST NOTE: For proper operation with an external pushbutton, a capacitor between 100 pF and 0 ...
Page 3
... PUSHBUTTON RESET Figure 3 POWER UP Figure 4 POWER DOWN Figure DS1233 ...
Page 4
... SYMBOL MIN TYP t 250 350 RST t RPD t 300 250 350 DB t 250 350 RPU to ground. RST DS1233 +0. +85 C) MAX UNITS NOTES 5 =5V 10%) DD MAX UNITS NOTES ...
Page 5
... ECONORESET SELECTION GUIDE DS1233-15 DS1233-10 DS1233-5 DS1233D-15 5V DS1233D-10 DS1233D-5 DS1833-15 DS1833-10 DS1833-5 DS1233A-15 3.3V DS1233A-10 VCC TRIP POINT MIN TYP MAX 4.0 4.125 4.24 4.25 4.375 4.49 4.5 4.625 4.75 4.0 4.125 4.24 4.25 4.375 4.49 4.5 4.625 4.75 4.0 4.125 4.24 4.25 4.375 4.49 4.5 4.625 4.75 2.64 2.72 2.80 2.8 2.88 2. DS1233 PUSHBUTTON DETECT MIN TYP MAX 2.4 - 3.3 2.4 - 3.3 2.4 - 3.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 - 3.0 1.8 - 3.0 ...