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S93WD462 Datasheet(PDF) 9 Page - Summit Microelectronics, Inc.

Part # S93WD462
Description  Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory
PDF  14 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

S93WD462 Datasheet(HTML) 9 Page - Summit Microelectronics, Inc.

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9
S93WD462/S93WD463
2029
2.2 1/23/01
SUMMIT MICROELECTRONICS, Inc.
Figure 8. RESET Timing Diagram
RESET CIRCUIT AC and DC ELECTRICAL CHARACTERISTICS
2.7
5 Volt-A
5 Volt-B
Symbol
Parameter
Min
Max
Min
Max
Min
Max
Unit
VTRIP
Reset Trip Point
2.55
2.7
4.25
4.5
4.50
4.75
V
tPURST
Power-Up Reset Timeout
130
270
130
270
130
270
ms
tRPD
VTRIP to RESET Output Delay
5
5
5
µs
VRVALID
RESET# Output Valid
1
1
1
V
tGLITCH
Glitch Reject Pulse Width
30
30
30
ns
VOLRS
RESET# Output Low Voltage IOL=1mA
0.4
0.4
0.4
V
VOHRS
RESET Output High IOH
VCC-.75
VCC-.75
VCC-.75
V
2029 PGM T1.0
VCC
VRVALID
VTRIP
tPURST
RESET#
RESET
2029 T fig08 2.0
tGLITCH
tRPD
tPURST
tRPD



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