S93WD462/S93WD463
RESET CIRCUIT AC and DC ELECTRICAL CHARACTERISTICS
2.7
5 Volt-A
5 Volt-B
Symbol
Parameter
Min
2.55
130
Max
2.7
270
5
Min
Max
4.5
270
5
Min
Max
4.75
270
5
Unit
V
V
Reset Trip Point
Power-Up Reset Timeout
to RESET Output Delay
4.25
130
4.50
130
TRIP
PURST
RPD
t
t
ms
µs
V
V
TRIP
V
RESET Output Valid
1
1
1
RVALID
GLITCH
t
Glitch Reject Pulse Width
30
30
30
ns
V
V
RESET Output Low Voltage I =1mA
0.4
0.4
0.4
OLRS
OHRS
OL
V
RESET Output High I
V
CC
-.75
V
-.75
CC
V -.75
CC
V
OH
2029 PGM T1.0
t
GLITCH
V
TRIP
V
RVALID
t
RPD
V
t
CC
PURST
t
PURST
RESET
RESET
t
RPD
2029 ILL 9.0
Figure 8. RESET Timing Diagram
2029-01 4/14/98
9