ISL43841

FN6055 Rev 1.00

Page 2 of 15

Aug 23, 2004

Pinout

ISL43841 (QFN)

TOP VIEW

COMB

NO3B

NO2B

LATCH A

LATCH B

NO2A

COMA

NO0A

NO3A

ADD1A

1

2

3

4

5

78

9

10

6

20

19

18

17

16

13

14

15

12

11

LOGIC

LOGIC

ISL43841

LATCH

ADD2

ADD1

SWITCH ON

0

X

X

Last Switch Selected

100

NO0

101

NO1

110

NO2

111

NO3

NOTE: Applies to either A or B switch. Logic “0”

0.8V. Logic “1”

2.4V, with V+ between 2.7V and 10V. X = Don’t Care.

Pin Descriptions

PIN

FUNCTION

V+

Positive Power Supply Input

V-

Negative Power Supply Input. Connect to GND for

Single Supply Configurations.

GND

Ground Connection

LATCH Digital Control Input. Connect to +V for Normal

Operation. Connect to GND to latch the last switch state.

COM

Analog Switch Common Pin

NO

Analog Switch Normally Open Pin

NC

Analog Switch Normally Closed Pin

ADD

Address Input Pin

N.C.

No Internal Connection

Ordering Information

PART NO.

(BRAND)

TEMP.

PACKAGE

PKG.

DWG. #

ISL43841IR

(43841IR)

-40 to 85

20 Ld QFN

L20.4x4

ISL43841IRZ

(43841IR) (See Note)

-40 to 85

20 Ld QFN

(Pb-free)

L20.4x4

*Add “-T” suffix to part number for tape and reel packaging.

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-020B.