S93WD462 Datasheet, PDF (9/14 Pages) Summit Microelectronics, Inc. – Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory

S93WD462/S93WD463
RESET CIRCUIT AC and DC ELECTRICAL CHARACTERISTICS
Symbol
VTRIP
tPURST
tRPD
VRVALID
tGLITCH
VOLRS
VOHRS
Parameter
Reset Trip Point
Power-Up Reset Timeout
VTRIP to RESET Output Delay
RESET# Output Valid
Glitch Reject Pulse Width
RESET# Output Low Voltage IOL=1mA
RESET Output High IOH
2.7
Min Max
2.55 2.7
130 270
5
1
30
0.4
VCC-.75
5 Volt-A
Min Max
4.25 4.5
130 270
5
1
30
0.4
VCC-.75
5 Volt-B
Min
Max
4.50 4.75
130
270
5
1
30
0.4
VCC-.75
Unit
V
ms
µs
V
ns
V
V
2029 PGM T1.0
VTRIP
VRVALID
VCC
tGLITCH
tPURST
tRPD
tPURST
RESET#
RESET
Figure 8. RESET Timing Diagram
tRPD
2029 T fig08 2.0
SUMMIT MICROELECTRONICS, Inc.
2029 2.2 1/23/01
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