tps3824-33dbvrg4
tps3824-33dbvrg4
tps3824-33dbvrg4
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www.ti.com<br />
FUNCTION/TRUTH TABLE<br />
INPUTS OUTPUTS<br />
MR (1) VDD > VIT RESET RESET (2)<br />
L 0 L H<br />
L 1 L H<br />
H 0 L H<br />
H 1 H L<br />
(1) TPS3820/3/5/8<br />
(2) TPS3824/5<br />
FUNCTIONAL BLOCK DIAGRAM<br />
MR (2)<br />
WDI<br />
TIMING DIAGRAM<br />
VIT<br />
VDD<br />
1.1 V<br />
RESET<br />
WDI<br />
undefined<br />
V DD<br />
52 kΩ<br />
Auto−Reset<br />
Oscillator<br />
NOTES: (1) TPS3824/5<br />
(2) TPS3820/3/5/8<br />
+<br />
_<br />
V REF<br />
40 kΩ<br />
RESET<br />
Logic<br />
Transition<br />
Detector<br />
<br />
<br />
<br />
SLVS165G − APRIL 1998 − REVISED JANUARY 2008<br />
Watchdog<br />
Timer Logic<br />
td td tt(out) td<br />
RESET (1)<br />
RESET<br />
undefined<br />
3
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