CS8151

http://onsemi.com

5

PACKAGE PIN DESCRIPTION

Package Pin #

Pin

Symbol

Function

SO−14L

SO−16L

7

1

8

Regulated output voltage 5.0 V ± 2%.

8

2

9

Supply voltage to the IC.

9

3

11

WDI

CMOS/TTL compatible input lead. The Watchdog function monitors the falling

edge of the incoming signal.

3−5,

10−12

4

4, 5, 6, 12, 13*

GND

Ground connection.

13

5

14

Wake Up

CMOS/TTL compatible output consisting of a continuously generated signal used

to Wake Up the microprocessor from sleep mode.

14

6

15

RESET

more than 6.0% from nominal, or during the absence of a correct watchdog

signal.

1

7

16

Delay

Input lead from timing capacitor for RESET and Wake Up signal.

6

−

7

Sense

Kelvin connection which allows remote sensing of the output voltage for im-

*Pin 6 GND is not directly shorted to the fused paddle GND. The fused paddle GND (pins 4, 5, 12, 13) is connected through the substrate.

Pin 6 must be electrically connected to at least one of the fused paddle GND’s on the PC board.