Datasheet

 2002-2012 Microchip Technology Inc. Preliminary DS21370D-page 3
TC1232
FIGURE 1-1: Rise Time, Fall Time and Reset Detected to Reset Active Timing Waveforms.
AC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, T
A
= T
MIN
to T
MAX
; V
CC
= +4.0V to 5.5V.
Parameters Sym Min Typ Max Units Conditions
V
CC
Fall Time t
F
10 — — µs Note 1
V
CC
Rise Time t
R
0— —µsNote 1
V
CC
Trip Point Detected
to RST High and RST
Low
t
RPD
— — 100 ns V
CC
falling
V
CC
Trip Point Detected
to RST High and RST
Open
t
RPU
250 610 1000 ms V
CC
rising (Note 2)
Note 1: Ensured by design.
2: t
R
= 5 µs.
+4.75V
t
F
V
CC
+4.25V
t
R
V
CC
+4.25V
+4.75V
V
CC
= 5V
+4.5V (5% Trip Point)
+4.25V (10% Trip Point)
RST
RST
V
OL
V
OH
t
RPD
V
CC
4.6V (5% Trip Point)
4.5V(10% Trip Point)
RST
RST
V
OL
V
OH
t
RPU
Determined by
external Pull-up
resistor
Determined by
external Pull-up
resistor