Datasheet
3.3V/+5V, 8-Channel, Cascadable Relay Drivers
with Serial/Parallel Interface
Chip Information
PROCESS: BiCMOS
Pin Configurations (continued)
TOP VIEW
20
19
18
17
SET
V
CC
OUT1
OUT2
16 PGND
13
12
11
14
15
OUT5
COM
OUT4
OUT3
OUT6
4
3
2
1
A0
LVL
CS
RESET
5A1
6
7
8
9
A2
GND
OUT8
OUT7
10PGND
MAX4821
THIN QFN
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
OUT1
OUT2
PGND
OUT3CS
RESET
SET
V
CC
OUT4
COM
OUT5
OUT6A2
A1
A0
LVL
12
11
9
10
PGND
OUT7OUT8
GND
TSSOP
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
OUT1
OUT2
PGND
OUT3CS
RESET
SET
V
CC
OUT4
COM
OUT5
OUT6N.C.
DOUT
SCLK
DIN
12
11
9
10
PGND
OUT7OUT8
GND
MAX4820
TSSOP
*CONNECT EP TO GND.
*EP
*EP
+
++
*EP
MAX4821
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
20 TQFN-EP T2044+3
21-0139
20 TSSOP-EP U20E+1
21-0108
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages
. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
MAX4820/MAX4821
Maxim Integrated
11