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X46402 Datasheet, PDF (20/23 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Password Protected EEPROM
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X46402
Preliminary Information
Symbol
Parameter
VTRIP
RESET Trip Point Voltage
V2TRIP
V2FAIL Trip Point Voltage
VTH
VTRIP Hysteresis
(HIGH to LOW vs. LOW to HIGH VTRIP voltage)
V2TA
V2TRIP Hysteresis
(HIGH to LOW vs. LOW to HIGH VTRIP voltage)
tPURST
Power-up Reset Timeout
tDVC(5)
Detect VCC Low Voltage to Reset Output (Vcc = 2.3V)
tDVB(5)
Detect V2MON Low Voltage to Reset Output (Vcc = 2.5-3.7V)
tFV(5)
VCC Fall Time
tRV(5)
VCC Rise Time
tFB(5)
V2MON Fall Time
tRB(5)
V2MON Rise Time
VRVALID 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
Start Bit vs. RESET Timing
Typ.
–
–
40
40
150
Max.
3.5
3.5
Units
V
V
mV
mV
225
ms
65
µs
100
µs
µs
µs
ns
ns
V
SCL
SDA
tSU:STA
RESET
tSU:STO
t WDR
t WDO
tRST
tWDO
t RST
20
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