2

FN6098.1

Pinout

ISL43L420 (3x3 QFN)

TOP VIEW

Truth Table

LOGIC

NC SW

NO SW

0ON

OFF

1OFF

ON

NOTE: Logic “0”

≤0.5V. Logic “1” ≥1.4V with a 3V supply.

Pin Descriptions

PIN

FUNCTION

V+

System Power Supply Input (+1.1V to +4.5V)

GND

Ground Connection

IN

Digital Control Input

COM

Analog Switch Common Pin

NO

Analog Switch Normally Open Pin

NC

Analog Switch Normally Closed Pin

NC1

IN1-2

NO2

COM2

COM4

NO4

IN3-4

NC3

1

3

4

15

16

14

13

2

12

10

9

11

6

57

8

Ordering Information

PART NO.

(BRAND)

TEMP.

RANGE (°C)

PACKAGE

PKG. DWG. #

ISL43L420IR

(420IR)

-40 to 85

16 Ld 3x3 QFN

L16.3x3

ISL43L420IR-T

(420IR)

-40 to 85

16 Ld 3x3 QFN

Tape and Reel

L16.3x3

ISL43L420IRZ

(420IR)

(See Note)

-40 to 85

16 Ld 3x3 QFN

(Pb-free)

L16.3x3

ISL43L420IRZ-T

(420IR)

(See Note)

-40 to 85

16 Ld 3x3 QFN

Tape and Reel

(Pb-free)

L16.3x3

NOTE: Intersil Pb-free products employ special Pb-free material

sets; molding compounds/die attach materials and 100% matte tin

plate termination finish, which is compatible with both SnPb and

Pb-free soldering operations. Intersil Pb-Free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed

the Pb-free requirements of IPC/JEDEC J STD-020C.

ISL43L420