©

1999 IMP, Inc.

408-432-9100/www.impweb.com

3

IMP1

4/A/D

Absolute Maximum Ratings

Electrical Characteristics

(IMP1834, IMP1834D)

(IMP1834, IMP1834D)

Voltage on PBRST and reset outputs . . –0.5V to the greater of

(IMP1834A)

Operating Temperature Range . . . . . . . –40

°C to 85°C

Storage Temperature . . . . . . . . . . . . . . . –55

°C to 125°C

Soldering Temperature . . . . . . . . . . . . . . 260

°C for 10 seconds

Voltages measured with respect to ground.

These are stress ratings only and functional operation is not implied.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

1.2

5.5

V

3.3V Supply Voltage (3.3V)

1.2

5.5

V

PBRST Input High Level

2

V

PBRST Input High Level

V

PBRST Input Low Level

– 0.3

0.5

V

Recommended DC operating condition over the operating temperature range of –40

°C to +85°C.

All voltages are referenced to ground.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Output Voltage

V

Input Leakage

–1.0

+1.0

µA

Output Current

350

µA

(IMP1834/1834D only)

Output Current

+10

mA

(IMP1834/1834D only)

5V Operating Current

16

30

µA

RESET outputs open.

3.3V Operating Current

12

25

µA

RESET outputs open.

5V Trip Point

5VTOL = GND

4.50

4.63

4.75

V

5V Trip Point

4.25

4.38

4.49

V

3.3V Trip Point

3.3VTOL = GND

2.80

2.88

2.97

V

3.3V Trip Point

2.47

2.55

2.64

V

Output Capacitance

10

pF

PBRST Manual Reset

2ms

Minimum Low Time

PBRST Stable LOW to

2ms

Reset Active

Reset Active Time

200

350

500

ms

2

µs

300

µs

0

ns

200

350

500

ms