Ordering Information

Reset Threshold

(V)

LM809 Supplied as 1000

units, tape & reel

LM809 Supplied as 3000

units, tape & reel

Package

Top Mark

Package

Type

NSC Package

4.63

LM809M3-4.63

LM809M3X-4.63

S8B

SOT23-3

M03B

4.38

LM809M3-4.38

LM809M3X-4.38

S7B

4.00

LM809M3-4.00

LM809M3X-4.00

S6B

3.08

LM809M3-3.08

LM809M3X-3.08

S5B

2.93

LM809M3-2.93

LM809M3X-2.93

S4B

2.63

LM809M3-2.63

LM809M3X-2.63

S3B

2.45

LM809M3-2.45

LM809M3X-2.45

SFB

Reset Threshold

(V)

LM810 Supplied as 1000

units, tape & reel

LM810 Supplied as 3000

units, tape & reel

Package

Top Mark

Package

Type

NSC Package

4.63

LM810M3-4.63

LM810M3X-4.63

SEB

SOT23-3

M03B

4.38

LM810M3-4.38

LM810M3X-4.38

SDB

4.00

LM810M3-4.00

LM810M3X-4.00

SCB

3.08

LM810M3-3.08

LM810M3X-3.08

SBB

2.93

LM810M3-2.93

LM810M3X-2.93

SAB

2.63

LM810M3-2.63

LM810M3X-2.63

S9B

Reset Threshold

(V)

LM809 Supplied as 1000

units, tape & reel

LM809 Supplied as 4500

units, tape & reel

Package

Top Mark

Package

Type

NSC Package

2.63

LM809LD-2.63

LM809LDX-2.63

S13

LLP-6

LDB06A

Custom voltages and improved accuracies are available, subject to minimum orders. Contact your local National Semiconductor Sales Office for information.

Pin Descriptions

PIN

NAME

FUNCTION

(LLP)

SOT-23

1

1

GND

Ground reference

32

RESET (LM809)

Active-low output. RESET remains low while V

and for 240ms after V

RESET (LM810)

Active-high output. RESET remains high while V

threshold, and for 240ms after V

53

V

CC

Supply Voltage (+5V, +3.3V, or +3.0V)

www.national.com

2