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LIN D

O C

#:

33164

MC33164/MC34164

5V U

N D E RV O LTAGE

S

ENSING

C

I R C U I T

T

H E

I

N F I N I T E

P

O W E R

O F

I

N N O VA T I O N

P

R O D U C T I O N

D

A T A

S

H E E T

DESCRIPTION

The MC33164 and the MC34164 are

micropower undervoltage sensing

circuits ideal for use in low-power

battery applications, computer

peripheral, consumer, appliance and

automotive equipment. The device

offers a 1.2V temperature compensated

bandgap reference, a precision

comparator with hysteresis and a high

current open collector output. This

device operates from 1 to 10V input

supply and drains <10碌A(chǔ) in the non-

fault condition and trip level of 4.33V.

Both devices are available in an

8-pin, 150mil SOIC package and a

plastic TO-92 package. The MC33164 is

rated from -40擄C to 85擄C and the

MC34164 from 0擄C to 70擄C.

K E Y F E AT U R E S

s

LOW STANDBY CURRENT

s

TEMPERATURE COMPENSATED BANDGAP

REFERENCE

s

PRECISION COMPARATOR WITH 50MV OF

HYSTERESIS

s

CLAMP DIODE FOR DISCHARGING DELAY

CAPACITOR

s

OUTPUT CURRENT SINK CAPABILITY FROM

7 TO 50MA

s

1-10V INPUT SUPPLY RANGE

s

AVAILABLE IN 150MIL, 8-PIN SOIC AND

PLASTIC TO-92 PACKAGES

s

PIN-FOR-PIN COMPATIBLE WITH MC33164/

34164

PRODUCT HIGHLIGHT

L

OW

-V

OLTAGE

M

ICROPROCESSOR

R

ESET

APPLICATIONS

2

1

POWER

SUPPLY

R

RESET

C

DLY

MICROPROCESSOR

CIRCUIT

s

碌POWER RESET GENERATOR

s

5V VOLTAGE MONITOR

s

BATTERY-LEVEL DETECTOR

1.2 V

REF

3

PA C K A G E O R D E R I N F O R M AT I O N

T

A

(擄C)

0 to 70

-40 to 85

DM

Plastic SOIC

8-pin

MC34164DM

MC33164DM

LP

Plastic TO-92

3-pin

MC34164LP

MC33164LP

Note: All surface-mount packages are available in Tape & Reel.

Append the letter "T" to part number. (i.e. MC34164DMT)

F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

Copyright 漏 1997

Rev. 1.5 11/97

11861 W

ESTERN

A

VENUE

, G

ARDEN

G

ROVE

, CA. 92841

1

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