SM72240MF-4.63/NOPB National Semiconductor, SM72240MF-4.63/NOPB Datasheet - Page 2

• Manufacturer Part Number: SM72240MF-4.63/NOPB
• Description: Microprocesser Reset Circuit
• Manufacturer: National Semiconductor
• Series: SolarMagic™r
• Type: Simple Reset/Power-On Resetr

Specifications of SM72240MF-4.63/NOPB

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 100 ms Minimum
• Voltage - Threshold: 4.63V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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Connection Diagram
Pin Descriptions
Ordering Information
Threshold (V)
Reset
4.63
Pin
1
2
3
4
5
units, tape & reel
Supplied as 250
RESET
Name
SM72240E
GND
GND
V
MR
CC
Ground reference
Ground reference, device substrate, connect to ground.
Active-low output. RESET remains low while V
and for 190 ms after V
Active-low input. Reset is asserted whenever this pin is pulled low and remains asserted
for 190 ms after the MR pin goes high. May be left open.
Supply Voltage (+5V, nominal)
Supplied as 1000
units, tape & reel
SM72240
SOT23-5
CC
rises above the reset threshold voltage.
2
Supplied as 3000
units, tape & reel
SM72240X
30141402
Function
CC
is below the reset threshold voltage,
Package
SOT23-5
Type
Top Mark
Package
2240
Package
MF05A
NSC