Table 3. Reset/Watchdog Timeout Periods

__Ordering Information (continued)

thresholds from 2.5V to 5V, in 0.1V increments. Insert the

desired nominal reset threshold (25 to 50, from Table 1) into the

blanks following the letters UK. All devices offer factory-pro-

grammed reset timeout periods. Insert the letter corresponding

to the desired reset timeout period (A, B, C, or D from Table 3)

into the blank following the reset threshold suffix. Parts that offer

a watchdog feature (see Selector Guide) are factory-trimmed to

one of four watchdog timeout periods. Insert the letter corre-

sponding to the desired watchdog timeout period (W, X, Y, or Z

from Table 3) into the blank following the reset timeout suffix.

5-Pin µP Supervisory Circuits with

Watchdog and Manual Reset

______________________________________________________________________________________

13

W

4.3

6.3

9.3

ms

X

71

102

153

Y

1.12

1.6

2.4

Z

17.9

25.6

38.4

s

RESET TIMEOUT PERIODS

WATCHDOG TIMEOUT

SUBSTRATE IS INTERNALLY CONNECTED TO V+

Chip Information

s

2.24

1.60

1.12

D

280

200

140

C

40

30

20

B

2

1.6

1

A

UNITS

MAX

TYP

MIN

SUFFIX

ms

Note: Thirteen standard versions are available, with a required order increment of 2500 pieces. Sample stock is generally held on stan-

dard versions only. The required order increment for nonstandard versions is 10,000 pieces. Contact factory for availability.

PART

RESET

THRESHOLD (V)

MINIMUM

RESET

TIMEOUT (ms)

TYPICAL

WATCHDOG

TIMEOUTS (s)

SOT

TOP

MARK

MAX6320PUK46CY-T

4.63

140

1.6

ACDN

MAX6321HPUK46CY-T

4.63

140

1.6

ACGL

MAX6322HPUK46C-T

4.63

140

1.6

ACGN

Table 2. Standard Versions (continued)

Devices are available in both leaded and lead-free packaging.

Specify lead-free by replacing “-T” with “+T” when ordering.

/V Denotes an automotive-qualified part.

PART

TEMP RANGE

PIN-PACKAGE

MAX6319LHUK__ _- T

-40°C to +125°C

5 SOT23

MAX6319MHUK__ _- T

-40°C to +125°C

5 SOT23

MAX6320PUK__ __- T

-40°C to +125°C

5 SOT23

MAX6320PUK__ __/ V +

-40°C to +125°C

5 SOT23

MAX6321HPUK__ _- T

-40°C to +125°C

5 SOT23

MAX6322HPUK__ _- T

-40°C to +125°C

5 SOT23

Package Information

For the latest package outline information and land patterns

(footprints), 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.

PACKAGE

TYPE

PACKAGE

CODE

OUTLINE

NO.

LAND

PATTERN NO.

5 SOT23

U5+2

21-0057

90-0174