MAX6421XS22+T Maxim Integrated Products, MAX6421XS22+T Datasheet - Page 2

• Manufacturer Part Number: MAX6421XS22+T
• Description: IC MPU/RESET CIRC 2.188V SC70-4
• Manufacturer: Maxim Integrated Products
• Type: Simple Reset/Power-On Resetr

Specifications of MAX6421XS22+T

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 2.188V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-70-4, SC-82-4, SOT-323-4, SOT-343
• Monitored Voltage: 1.6 V to 5 V
• Undervoltage Threshold: 2.133 V
• Overvoltage Threshold: 2.243 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 4.375 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 2.5 uA
• Maximum Power Dissipation: 245 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX6421XS22+T; MAX6421XS22+TTR

ABSOLUTE MAXIMUM RATINGS
All Voltages Referenced to GND
V
SRT, RESET, RESET (push-pull).................-0.3V to (V
RESET (open drain)...............................................-0.3V to +6.0V
Input Current (all pins)......................................................±20mA
Output Current (RESET, RESET) ......................................±20mA
Low-Power, SC70/SOT µP Reset Circuits with
Capacitor-Adjustable Reset Timeout Delay
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
Note 1: Devices production tested at +25°C. Overtemperature limits are guaranteed by design.
2
CC
Supply Voltage Range
Supply Current
V
Hysteresis
V
Reset Timeout Period
V
V
RAMP Threshold Hysteresis
RESET Output Voltage Low
RESET Output Voltage High,
Push-Pull
RESET Output Leakage Current,
Open-Drain
RESET Output Voltage High
RESET Output Voltage Low
CC
CC
CC
SRT
SRT
_______________________________________________________________________________________
........................................................................-0.3V to +6.0V
= 1V to 5.5V, T
Reset Threshold Accuracy
to Reset Delay
Ramp Current
Ramp Threshold
PARAMETER
A
= T
MIN
to T
MAX
V
SYMBOL
, unless otherwise specified. Typical values are at V
TH-RAMP
V
I
RAMP
V
I
V
V
V
V
V
I
HYST
t
t
LKG
CC
RD
RP
OH
OH
CC
TH
OL
OL
V
V
V
T
T
V
C
C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
CC
CC
CC
CC
SRT
CC
RAMP
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
SRT
SRT
= +25°C
= -40°C to +125°C
CC
≤ 5.0V
≤ 3.3V
≤ 2.0V
falling at 1mV/µs
= 1.6V to 5V (V
≥ 1.0V, I
≥ 2.7V, I
≥ 4.5V, I
≥ 1.8V, I
≥ 2.25V, I
≥ 4.5V, I
> V
≥ 1.0V, I
≥ 1.8V, I
≥ 2.7V, I
≥ 4.5V, I
≥ 1.8V, I
≥ 2.7V, I
≥ 4.5V, I
= 0 to 0.65V; V
= 0
= 1500pF
+ 0.3V)
falling threshold
TH
, reset not asserted
SINK
SINK
SINK
SOURCE
SOURCE
SOURCE
SOURCE
SOURCE
SOURCE
SINK
SINK
SINK
SOURCE
CONDITIONS
= 50µA
= 1.2mA
= 3.2mA
= 500µA
= 1.2mA
= 3.2mA
RAMP
CC
Continuous Power Dissipation (T
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
= 200µA
= 800µA
= 1µA
= 150µA
= 500µA
= 800µA
4-Pin SC70 (derate 3.1mW/°C above +70°C) ..............245mW
4-Pin SOT143 (derate 4mW/°C above +70°C).............320mW
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
= 500µA
= 1.6V to 5V
rising)
CC
= 5V and T
V
V
0.8 x V
0.8 x V
0.8 x V
0.8 x V
0.8 x V
0.8 x V
0.8 x V
TH
TH
3.00
MIN
1.0
- 1.5%
- 2.5%
A
CC
CC
CC
CC
CC
CC
CC
A
= +70°C)
= +25°C.) (Note 1)
4 x V
4.375
0.275
TYP
0.65
240
1.9
1.6
2.5
80
33
TH
V
V
TH
TH
+ 1.5%
+ 2.5%
MAX
5.75
5.5
4.2
3.4
2.5
0.3
0.3
0.4
1.0
0.3
0.3
0.4
UNITS
mV
mV
ms
nA
µA
µA
µs
V
V
V
V
V
V
V