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DS1232SN Datasheet(PDF) 7 Page - Dallas Semiconductor

Part # DS1232SN
Description  MicroMonitor Chip
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1232SN Datasheet(HTML) 7 Page - Dallas Semiconductor

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DS1232/DS1232S
7 of 7
AC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C; V
CC=5V
± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
PBRST
= VIL
tPB
20
ms
RESET Active Time
tRST
250
610
1000
ms
ST
Pulse Width
tST
20
ns
6, 8
VCC Fail Detect to RST and RST
tRPD
100
175
µs
VCC Slew Rate 4.75V to 4.25V
tF
300
µs
VCC Detect to RST and RST Transition
tRPU
250
610
1000
ms
4
VCC Slew Rate 4.25V to 4.75V
tR
05
µs
PBRST
Stable Low to RST and RST
tPDLY
20
ms
NOTES:
1. All voltages referenced to ground.
2. Measured with outputs open.
3.
PBRST
is internally pulled up to VCC with an internal impedance of 10k typical.
4. tR = 5
µs.
5.
RST
is an open-drain output.
6. Must not exceed tTD minimum. See Table 1.
7. RST remains within 0.5V of VCC on power-down until VCC drops below 2.0V. RST remains within
0.5V of GND on power-down until VCC drops below 2.0V.
8. Watchdog can not be disabled. It must be strobed to avoid resets.


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