DS1233M 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1233M

EconoReset

Dallas Semiconductor -> Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS*

Voltage on VCC Pin Relative to Ground

Voltage on I/O Relative to Ground

Operating Temperature

Storage Temperature

Soldering Temperature

-0.5V to +7.0V

-0.5V to VCC + 0.5V

-40°C to +85°C

-55°C to +125°C

260°C for 10 seconds

DS1233M

* This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL MIN TYP MAX

Supply Voltage

VCC

1.2

5.5

(-40°C to +85°C)

UNITS NOTES

V

1

DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC = 1.2V to 5.5V)

PARAMETER

SYMBOL MIN

TYP

MAX UNITS NOTES

Output Voltage @ -500 mA

VOH

VCC-0.5V VCC-0.1V

V

1

Output Current @ 0.4V

IOL

+8

mA

2,3

Operating Current

ICC

50

mA

4

VCC Trip Point (DS1233M-5)

VCCTP

4.25

4.375 4.49

V

1

VCC Trip Point (DS1233M-55) VCCTP

4.5

4.625 4.75

V

1

VCC Trip Point (DS1233M-3)

VCCTP

2.64

2.72

2.8

V

1

Output Capacitance

COUT

10

pF

Internal Pullup Resistor

RP

3.75

5

6.50 kW

AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC = 1.2V to 5.5V)

PARAMETER

SYMBOL MIN

TYP

MAX UNITS NOTES

Reset Active Time

tRST

200

350

500 ms

VCC Detect to RST

tRPD

2

10

ms

VCC Slew Rate (VHTL - VLTL )

tF

300

ms

VCC Slew Rate (VLTL - VHTL )

tR

0

ns

VCC Detect to RST

tRPU

200

350

500 ms

5

NOTES:

1. All voltages are referenced to ground.

2. Measured with VCC ³ 2.7V.

3. A 1 kW external resistor may be required in some applications for proper operation of the

microprocessor reset control circuit.

4. Measured with outputs open.

5. tR = 5 ms.

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