Philips Semiconductors

Product data

NE56604-42

System reset with built-in Watchdog timer

2003 Oct 15

4

MAXIMUM RATINGS

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

Power supply voltage

–0.3

10

V

–0.3

10

V

CLK pin voltage

–0.3

10

V

RESET and RESET pin voltage

–0.3

10

V

Operating temperature

–20

70

°C

Storage temperature

–40

125

°C

P

Power dissipation

–

250

mW

DC ELECTRICAL CHARACTERISTICS

See Figure 26 (Test circuit 1) for test configuration used for DC parameters.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply current during Watchdog timer

operation

–

0.7

1.0

mA

Reset detection threshold

4.05

4.20

4.35

V

4.15

4.30

4.45

V

Temperature coefficient of reset threshold

–20

–

±0.01

–

%/

°C

Threshold hysteresis

50

100

150

mV

CLK input threshold

0.8

1.2

2.0

V

CLK input current, HIGH-level

–

0

1.0

µA

CLK input current, LOW-level

–20

–10

–3.0

µA

Output voltage, HIGH-level

4.5

4.8

–

V

4.5

4.8

–

V

Output voltage, LOW-level

–

0.2

0.4

V

–

0.3

0.5

V

–

0.2

0.4

V

–

0.3

0.5

V

Output sink current

10

16

–

mA

1.0

2.0

–

mA

Watchdog operation

–0.8

–1.2

–2.4

µA

during power-on reset operation

–0.8

–1.2

–2.4

µA

Supply voltage to assert reset operation

–

0.8

1.0

V

1 M

Ω resistor (pin 2 to GND)

–

0.8

1.0

V

NOTE: