Summit S93WD462 - Manual (Page 9)

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
V TRIP Reset Trip Point 2.55 2.7 4.25 4.5 4.50 4.75 V
t PURST Power-Up Reset Timeout 130 270 130 270 130 270 ms
t RPD V TRIP to RESET Output Delay 5 5 5 µs
V RVALID RESET# Output Valid 1 1 1 V
t GLITCH Glitch Reject Pulse Width 30 30 30 ns
V OLRS RESET# Output Low Voltage I OL =1mA 0.4 0.4 0.4 V
V OHRS RESET Output High I OH V CC -.75 V CC -.75 V CC -.75 V
2029 PGM T1.0
VCC
VRVALID
VTRIP
tPURST
RESET#
RESET
2029 T fig08 2.0
tGLITCH
tRPD
tPURST
tRPD