Datasheet
Package Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.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.
MAX6316–MAX6322
5-Pin µP Supervisory Circuits with
Watchdog and Manual Reset
13
Maxim Integrated
Table 3. Reset/Watchdog Timeout Periods
__Ordering Information (continued)
Note: These devices are available with factory-set V
CC
reset
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.
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
s2.241.601.12D
280200140C
403020B
21.61A
UNITSMAXTYPMINSUFFIX
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 +T -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
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
5 SOT23 U5+2 21-0057 90-0174