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X5648 Datasheet, PDF (13/18 Pages) Intersil Corporation – CPU Supervisor with 64Kbit SPI EEPROM
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X5648, X5649
RESET Output Timing
Symbol
VTRIP
VTH
tPURST
tRPD(5)
tF(5)
tR(5)
VRVALID
Parameter
Reset trip point voltage, X5648-4.5A, X5648-4.5A
Reset trip point voltage, X5648, X5649
Reset trip point voltage, X5648-2.7A, X5649-2.7A
Reset trip point voltage, X5648-2.7, X5649-2.7
VTRIP hysteresis (HIGH to LOW vs. LOW to HIGH VTRIP voltage)
Power-up reset time out
VCC detect to reset/output
VCC fall time
VCC rise time
Reset valid VCC
Note: (5) This parameter is periodically sampled and not 100% tested.
VTRIP Set Conditions
VCC
VTRIP
tTHD
tTSU
tRP
tVPS
tP
tVPH
CS
tVPS
tVPH
tVPO
VP
SCK
VP
SI
tVPO
Min.
4.5
4.25
2.85
2.55
100
100
100
1
Typ.
4.63
4.38
2.93
2.63
20
200
Max.
4.75
4.5
3.0
2.7
280
500
Unit
V
mV
ms
ns
µs
µs
V
13
FN8136.0
March 17, 2005
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