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X40620 Datasheet, PDF (13/17 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Serial EEPROM
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X40620
POWER-UP AND POWER-DOWN TIMING
RESET Output Timing
VCC
VVTRIP
0 Volts
tRV
tPURST
RESET
V2FAIL Output Timing
V2MON
V2TRIP
0 Volts
tRB
V2FAIL
tPURST
VVTRIP
tFV
tDVC
V2TRIP
tFB
tDVB
Symbol
VTRIP
V2TRIP
VTH
V2TA
tPURST
tDVC(5)
tDVB(5)
tFV(5)
tRV(5)
tFB(5)
tRB(5)
VRVALID
Parameter
RESET Trip Point Voltage
V2FAIL Trip Point Voltage
VTRIP Hysteresis (HIGH to LOW vs. LOW to HIGH VTRIP voltage)
V2TRIP Hysteresis (HIGH to LOW vs. LOW to HIGH VTRIP voltage)
Power-up Reset Timeout
Detect VCC Low Voltage to Reset Output (VCC = 2.3V)
Detect V2MON Low Voltage to Reset Output (VCC = 2.5-3.7V)
VCC Fall Time
VCC Rise Time
V2MON Fall Time
V2MON Rise Time
Reset Valid VCC
Notes: (5) This parameter is periodically sampled and not 100% tested.
(6) Typical values not tested.
Min.
2.4
1.7
75
100
100
500
500
1
Typ.
–
–
40
40
150
Max.
3.5
3.5
225
65
100
Units
V
V
mV
mV
ms
µs
µs
µs
µs
ns
ns
V
Characteristics subject to change without notice. 13 of 17
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