sm72240mfx-4.63 National Semiconductor Corporation, sm72240mfx-4.63 Datasheet - Page 2

• Manufacturer Part Number: sm72240mfx-4.63
• Description: Solarmagic 5-pin Microprocessor Reset Circuit
• Manufacturer: National Semiconductor Corporation

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Connection Diagram
Pin Descriptions
Ordering Information
Threshold (V)
Reset
4.63
3.08
Pin
1
2
3
4
5
SM72240MFE–4.63
SM72240MFE–3.08
units, tape & reel
Supplied as 250
RESET
Name
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)
SM72240MF–4.63
SM72240MF–3.08
Supplied as 1000
units, tape & reel
SOT23-5
CC
rises above the reset threshold voltage.
2
SM72240MFX–4.63
SM72240MFX–3.08
Supplied as 3000
units, tape & reel
30141402
Function
CC
is below the reset threshold voltage,
SOT23–5
Package
SOT23-5
Type
Top Mark
Package
R133
2240
Package
MF05A
MF05A
NSC