ꢀ
ꢁ ꢂ ꢃ ꢄ ꢅꢆ ꢇꢈ ꢈ ꢉ ꢀ ꢁꢂꢃ ꢄ ꢅ ꢃ ꢇꢈ ꢈ ꢉ ꢀ ꢁꢂꢃ ꢄ ꢅ ꢊ ꢇꢈ ꢈ ꢉ ꢀ ꢁꢂꢃ ꢄ ꢅ ꢋ ꢇꢈ ꢈ ꢉ ꢀ ꢁꢂ ꢃꢄ ꢅꢄ ꢇꢈ ꢈ
ꢁꢌꢍ ꢎꢏ ꢂꢂꢍ ꢌ ꢂꢐꢁ ꢏꢌꢑꢒ ꢂꢍ ꢌꢓ ꢎ ꢒꢌ ꢎꢐ ꢒ ꢀꢂ
ꢔ
SLVS165E – APRIL 1998 – REVISED DECEMBER 2002
FUNCTION/TRUTH TABLE
INPUTS OUTPUTS
¶
MR
#
V >V
DD IT
RESET
RESET
L
0
1
0
1
L
L
H
H
H
L
L
H
L
H
H
¶
#
TPS3820/3/5/8
TPS3824/5
functional block diagram
V
DD
†
Reset
Watchdog
Timer Logic
Reset
Logic
Reset
52 kΩ
+
_
‡
MR
40 kΩ
V
ref
Transition
Detector
WDI
†
‡
TPS3824/5
TPS3820/3/5/8
timing diagram
V
IT
V
DD
1.1 V
t
t
t
t
d
d
d
t(out)
undefined
undefined
RESET
WDI
3
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