TLC555

LinCMOS TIMER

SLFS043F − SEPTEMBER 1983 − REVISED FEBRUARY 2005

2

POST OFFICE BOX 655303

description (continued)

The TLC555C is characterized for operation from 0

°C to 70°C. The TLC555I is characterized for operation from

−40

°C to 85°C. The TLC555Q is characterized for operation over the automotive temperature range of −40°C

to 125

°C. The TLC555M is characterized for operation over the full military temperature range of −55°C to

125

°C.

AVAILABLE OPTIONS†

PACKAGED DEVICES

TA

VDD

RANGE

SMALL

OUTLINE

(D)‡

SSOP

(DB)‡

CHIP CARRIER

(FK)

CERAMIC DIP

(JG)

PLASTIC DIP

(P)

TSSOP

(PW)‡

0

°C to 70°C

2 V to 15 V

TLC555CD

TLC555CDB

—

—

TLC555CP

TLC555CPW

−40

°C to 85°C

3 V to 15 V

TLC555ID

—

—

—

TLC555IP

—

−40

°C to 125°C

5 V to 15 V

TLC555QD

—

—

—

—

—

−55

°C to 125°C

5 V to 15 V

TLC555MD

—

TLC555MFK

TLC555MJG

TLC555MP

—

† For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site

at www.ti.com.

‡ This package is available taped and reeled. Add the R suffix to device type (e.g., TLC555CDR).

FUNCTION TABLE

RESET VOLTAGE‡

TRIGGER VOLTAGE‡

THRESHOLD VOLTAGE‡

OUTPUT

DISCHARGE SWITCH

<MIN

Irrelevant

Irrelevant

L

On

>MAX

<MIN

Irrelevant

H

Off

>MAX

>MAX

>MAX

L

On

>MAX

>MAX

<MIN

As previously established

‡ For conditions shown as MIN or MAX, use the appropriate value specified under electrical characteristics.

functional block diagram

GND

RESET

CONT

VDD

1

THRES

TRIG

R

R

R

DISCH

OUT

S

R

R1

Pin numbers are for all packages except the FK package. RESET can override TRIG, which can override THRES.

5

6

2

1

7

3

4

8