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40430B Datasheet(PDF) 19 Page - Xicor Inc.

Part # 40430B
Description  4kbit EEPROM, Triple Voltage Monitor with Integrated CPU Supervisor
PDF  24 Pages
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Manufacturer  XICOR [Xicor Inc.]
Direct Link  http://www.xicor.com
Logo XICOR - Xicor Inc.

40430B Datasheet(HTML) 19 Page - Xicor Inc.

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X40430/X40431 – Preliminary Information
Characteristics subject to change without notice.
19 of 24
REV 1.2.3 11/28/00
www.xicor.com
RESET/RESET/MR Timings
LOW VOLTAGE AND WATCHDOG TIMINGS PARAMETERS
Symbol
Parameters
Min.
Typ.
Max.
Unit
tRPD1
tRPDL
VTRIP1 to RESET/RESET (Power down only)
VTRIP1 to LOWLINE
10
20
µs
t LR
LOWLINE to RESET/RESET delay (Power down only) [= tRPD1-tRPDL]
500
ns
tRPDX
VTRIP2 to V2FAIL, or VTRIP3 to V3FAIL
10
20
µs
tPURST
Power On Reset delay:
PUP1=0, PUP0=0
PUP1=0, PUP0=1
PUP1=1, PUP0=0
PUP1=1, PUP0=1
50
200
400
800
ms
ms
ms
ms
tF
VCC, V2MON, V3MON, Fall Time
20
mV
/µs
tR
VCC, V2MON, V3MON, Rise Time
20
mV
/µs
VRVALID
Reset Valid VCC
1V
tMD
MR to RESET/ RESET delay (activation only)
500
ns
tin1
Pulse width for MR
5µs
tWDO
Watchdog Timer Period:
WD1=0, WD0=0
WD1=0, WD0=1
WD1=1, WD0=0
1.4
200
25
s
ms
ms
tRST1
Watchdog Reset Time Out Delay
WD1=0, WD0=0
WD1=0, WD0=1
100
200
300
ms
tRST2
Watchdog Reset Time Out Delay WD1=1, WD0=0
12.5
25
37.5
ms
tRSP
Watchdog timer restart pulse width
1
µs
VCC
VTRIP1
RESET
RESET
tPURST
tPURST
tR
tF
tRPD1
VRVALID
MR
tMD
tIN1



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