ISL43841 Datasheet, PDF (2/14 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, Dual 4 to 1 Multiplexer Analog Switch with Latch

Pinout
ISL43841
ISL43841 (QFN)
TOP VIEW
20 19 18 17 16
COMB 1
NO3B 2
NO2B 3
LATCH A 4
LATCH B 5
LOGIC
LOGIC
15 NO2A
14 COMA
13 NO0A
12 NO3A
11 ADD1A
6 7 8 9 10
Truth Table (Note)
ISL43841
LATCH
ADD2
ADD1
SWITCH ON
0
X
X
Last Switch Selected
1
0
0
NO0
1
0
1
NO1
1
1
0
NO2
1
1
1
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
V+
V-
GND
FUNCTION
Positive Power Supply Input
Negative Power Supply Input. Connect to GND for
Single Supply Configurations.
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)
ISL43841IR
(43841IR)
TEMP.
RANGE (^oC)
PACKAGE
-40 to 85 20 Ld QFN
PKG. NO.
L20.4x4
2