SM72240MF-4.63/NOPB National Semiconductor, SM72240MF-4.63/NOPB Datasheet - Page 2
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SM72240MF-4.63/NOPB
Manufacturer Part Number
SM72240MF-4.63/NOPB
Description
Microprocesser Reset Circuit
Manufacturer
National Semiconductor
Series
SolarMagic™r
Type
Simple Reset/Power-On Resetr
Datasheet
1.SM72240NOPB.pdf
(10 pages)
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
www.national.com
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