Datasheet

Time
0.6 V
0.0 V
V
IT-
+ V
HYS
V
IT-
0.7V
DD
0.3V
DD
MR
RESET
VDD
t
d
t
d
t
d
t
d
= Reset Delay
= Undefined State
TPS3831
TPS3839
SBVS193B –JUNE 2012–REVISED APRIL 2013 www.ti.com
TIMING REQUIREMENTS
PARAMETER MIN TYP MAX UNIT
t
d
RESET delay time (power-up delay) 120 200 350 ms
t
pd_vdd
Propagation delay, V
DD
falling (power-down delay) 20 µs
t
pd_mr
Propagation delay from MR low to RESET low 46 ns
TIMING DIAGRAM
Figure 1. MR and V
DD
Reset Timing
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