DS1832S datasheet(7/7 Pages) MAXIM

Part #	DS1832S

Description	3.3-Volt MicroMonitor Chip

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Manufacturer	MAXIM [Maxim Integrated Products]

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DS1832

7 of 7

AC ELECTRICAL CHARACTERISTICS

(-40

°C to +85°C; V

CC=1.2V to 5.5V)

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, 7

VCC Detect to RST and RST

tRPD

58

µs

8

VCC Slew Rate

tF

20

µs

VCC Detect to RST and RST

tRPU

250

610

1000

ms

9

VCC Slew Rate

tR

0ns

PBRST

Stable Low to RST and RST

tPDLY

20

ms

NOTES:

1. All voltages referenced to ground.

2.

PBRST

is internally pulled up to VCC with an internal impedance of 40 k

Ω=typical.

3. Measured with VCC

≥ 2.7V.

4. Measured with VCC < 2.7V.

5. Measured with outputs open, VCC

≤ 3.6 volts, and all inputs at V

CC or Ground.

6. Must not exceed tTD minimum.

7. The Watchdog cannot be disabled it must be strobed to avoid resets.

8. Noise immunity - Pulses < 2

µs at V

CCTP minimum will not cause a reset.

9. tR = 5

µs.

MARKING INFORMATION:

8-pin DIP - “DS1832”

8-pin SOIC - “DS1832”

8-pin -

µ-SOP - “1832”

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DS1832S Datasheet(PDF) 7 Page - Maxim Integrated Products

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