Micropower, Low-Voltage, UCSP/SC70,
Rail-to-Rail I/O Comparators
Pin/Bump Description
BUMP
MAX985
UCSP*
A2
A3
B1
B2
A1
—
—
—
—
—
—
—
—
PIN
MAX985/
MAX986
MAX989/
MAX990
SO
SOT23/ SO/µMAX/
SC70
SOT23
6
1
—
7
2
8
3
3
—
2
4
—
4
5
4
—
—
1
—
—
2
—
—
3
—
—
5
—
—
6
—
—
7
—
—
—
—
—
—
B3
1, 5, 8
—
—
*MAX985 only
MAX993/
MAX994
SO/
TSSOP
—
4
—
—
11
1
2
3
5
6
7
8
9
10
12
13
14
—
NAME
FUNCTION
OUT
VCC
IN+
IN-
VEE
OUTA
INA-
INA+
INB+
INB-
OUTB
OUTC
INC-
INC+
IND+
IND-
OUTD
N.C.
Comparator Output
Positive Supply Voltage
Comparator Noninverting Input
Comparator Inverting Input
Negative Supply Voltage
Comparator A Output
Comparator A Inverting Input
Comparator A Noninverting Input
Comparator B Noninverting Input
Comparator B Inverting Input
Comparator B Output
Comparator C Output
Comparator C Inverting Input
Comparator C Noninverting Input
Comparator D Noninverting Input
Comparator D Inverting Input
Comparator D Output
No Connection. Not internally connected.
6