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DS1232LP датащи(PDF) 7 Page - Dallas Semiconductor

номер детали DS1232LP
подробное описание детали  Low Power MicroMonitor Chip
PDF  7 Pages
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производитель  DALLAS [Dallas Semiconductor]
домашняя страница  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1232LP датащи(HTML) 7 Page - Dallas Semiconductor

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DS1232LP/LPS
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, 9
VCC Fail Detect to RST and RST
tRPD
50
175
µs
VCC Slew Rate 4.75V to 4.25V
tF
300
µs
VCC Detect to RST and RST Inactive
tRPU
250
610
1000
ms
4
VCC Slew Rate 4.25V to 4.75V
tR
0ns
PBRST
Stable Low to RST and RST
tPDLY
20
ms
NOTES:
1. All voltages referenced to ground.
2. Measured with outputs open and ST and PBRST within 0.5V of supply rails.
3. PBRST is internally pulled up to VCC with an internal impedance of 40k 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. Measured with outputs open and ST and PBRST at TTL levels.
9. Watchdog can not be disabled. It must be strobed to avoid resets.
MARKING INFORMATION:
8-pin DIP - “DS1232L”
16-pin SOIC - “DS1232L”
8-pin SOIC - “DS1232L”
8-pin
µ-SOP - “1232”



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