INDUSTRIAL Timers & Real-Time Clocks 1,864

Reset All
Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount Information Access Method Maximum Supply Voltage On Chip Data RAM Width Screening Level No. of Bits Maximum Output Clock Frequency Power Supplies (V) Package Style (Meter) Package Equivalence Code Interrupt Capability Minimum Supply Voltage Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Terminal Position Maximum Seated Height RAM Words Width Additional Features External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Total Dose (V) No. of Timers Technology Maximum Supply Current Minimum Time Nominal Supply Voltage Sub-Category Bus Compatibility Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Volatile JESD-609 Code

DS1244WP-150-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

2.97 V

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1672-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

I2C

3.63 V

3.3

IN-LINE

DIP8,.3

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

.032 MHz

9.375 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T8

Not Qualified

NO

e0

DS1315EN-33/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

3.6 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

N

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

0

.032 MHz

6.5 mm

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e0

DS1393U-18+T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 2-WIRE/I2C

1.89 V

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP10,.19,20

Y

1.71 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

1/100 SECOND

1.8 V

Timers or RTCs

.5 mm

S-PDSO-G10

1

Not Qualified

NO

e3

DS1685EN-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP24,.25

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

8

.032 MHz

7.8 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G24

1

Not Qualified

YES

e0

DS17485N-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

DIP24,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

31.75 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

YES

e0

DS1338C-18

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

1.89 V

SMALL OUTLINE

1.71 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

.032 MHz

10.3 mm

1

CMOS

1.8 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e0

DS1501WSN/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.45

Y

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

3.05 mm

8.565 mm

8

.032 MHz

18.1 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e0

DS1685EN-3/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.7 V

3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP24,.25

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

8

.032 MHz

7.8 mm

1

CMOS

SECONDS

3 V

Timer or RTC

.65 mm

R-PDSO-G24

1

Not Qualified

YES

e0

DS17885SN-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE

SOP24,.4

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.67 mm

7.5 mm

8

.032 MHz

17.9 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e0

DS1338C-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

3.3 V

SMALL OUTLINE

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

.032 MHz

10.3 mm

1

CMOS

3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e0

DS17885N-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

DIP24,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

31.75 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1244W-120IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3/5

IN-LINE

DIP28,.6

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

38.862 mm

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-P28

1

Not Qualified

NO

e0

DS1315SN+33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

3.6 V

SMALL OUTLINE

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

2.68 mm

7.51 mm

.032 MHz

10.335 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G16

Not Qualified

e3

DS1501YEN+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

Y

4.5 V

85 Cel

-40 Cel

Matte Tin (Sn)

DUAL

1.2 mm

8 mm

8

.032 MHz

30

260

11.8 mm

1

CMOS

SECONDS

5 V

Timers or RTCs

.55 mm

R-PDSO-G28

3

Not Qualified

YES

e3

DS1558W-TRL

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

48

TFQFP

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

FLATPACK, THIN PROFILE, FINE PITCH

TQFP48,.35SQ

Y

2.97 V

85 Cel

-40 Cel

TIN LEAD

QUAD

1.2 mm

7 mm

8

.032 MHz

7 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.5 mm

S-PQFP-G48

Not Qualified

NO

e0

DS1689SN+T&R-W

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

4 V

SMALL OUTLINE

2.7 V

85 Cel

-40 Cel

DUAL

3.05 mm

8.565 mm

ALSO OPERATES AT 5 V TYP SUPPLY

8

NOT SPECIFIED

NOT SPECIFIED

18.1 mm

1

CMOS

3 V

1.27 mm

R-PDSO-G28

DS1501WSN+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.45

Y

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

3.05 mm

8.565 mm

8

.032 MHz

18.1 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G28

Not Qualified

YES

e3

DS1602+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, 3-WIRE

5.5 V

IN-LINE

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

4.572 mm

7.62 mm

TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA

2 MHz

30

260

9.375 mm

0

CMOS

5 V

2.54 mm

R-PDIP-T8

1

Not Qualified

e3

DS1500WEN+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

32

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP32,.8,20

Y

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.24 mm

8 mm

8

.032 MHz

18.4 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

.5 mm

R-PDSO-G32

3

Not Qualified

NO

e3

DS1743W-120IND+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

QIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

2.97 V

85 Cel

-40 Cel

MATTE TIN

DUAL

10.67 mm

15.24 mm

8

.032 MHz

38.225 mm

0

CMOS

SECONDS

3.3 V

Timers or RTCs

2.54 mm

R-XDMA-P28

1

Not Qualified

NO

e3

DS1340U-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

3.3 V

3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

CMOS

SECONDS

3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1743P-100IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS17885N-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

3.3 V

3

IN-LINE

DIP24,.6

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

31.75 mm

1

CMOS

SECONDS

3 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1391U-33/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP10,.19,20

Y

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

1/100 SECOND

3.3 V

Timer or RTC

.5 mm

S-PDSO-G10

Not Qualified

NO

e0

DS1687N-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

DIP24,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

31.75 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1746P-70IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

.032 MHz

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1338UA-33+T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

3.3 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

SECONDS

3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e3

DS1743W-120IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

QIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

10.67 mm

15.24 mm

8

.032 MHz

38.225 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-XDMA-P28

Not Qualified

NO

e0

DS1501YSN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP28,.45

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

3.05 mm

8.565 mm

8

.032 MHz

18.1 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e0

DS1284N

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP28,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P

8

.032 MHz

36.83 mm

1

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

YES

e0

DS1672U-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

3.3 V

3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

0

CMOS

SECONDS

3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1744WP-120IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

.032 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1390U-33/V+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

AEC-Q100

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP10,.19,20

Y

2.97 V

85 Cel

-40 Cel

DUAL

1.1 mm

3 mm

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

3 mm

1

CMOS

1/100 SECOND

3.3 V

Timer or RTC

.5 mm

S-PDSO-G10

Not Qualified

NO

e3

DS1251WP-120IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

USE DS9034PCX TO ORDER POWERCAP

8

CMOS

1/100 SECOND

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS90340I-PCX+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

3.3/5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS1602

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, 3-WIRE

5.5 V

IN-LINE

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA

2 MHz

9.375 mm

0

CMOS

5 V

2.54 mm

R-PDIP-T8

1

Not Qualified

e0

DS17285S-3NT

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.7 V

3

SMALL OUTLINE

SOP24,.4

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.67 mm

7.5 mm

8

.032 MHz

245

17.9 mm

1

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e0

DS1346T+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

8

HVSON

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 4 WIRE/SPI

5.5 V

8

2.5/5

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC8,.12,25

Y

2 V

85 Cel

-40 Cel

MATTE TIN

DUAL

.8 mm

3 mm

0

.032 MHz

30

260

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-N8

1

Not Qualified

YES

e3

DS17485SN-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE

SOP24,.4

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.67 mm

7.5 mm

8

.032 MHz

17.9 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e0

DS1685QN-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

CHIP CARRIER

LDCC28,.5SQ

4.5 V

85 Cel

-40 Cel

TIN LEAD

QUAD

4.57 mm

11.505 mm

8

.032 MHz

11.505 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

S-PQCC-J28

Not Qualified

YES

e0

DS1743P-100IND+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e3

DS1244W-150-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

2.97 V

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

8

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

R-XDMA-P28

Not Qualified

NO

e0

DS1248Y-100IND+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP32,.6

N

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

10.922 mm

15.24 mm

8

43.053 mm

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-P32

Not Qualified

NO

e3

DS1315N-33+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

3.6 V

3.3

IN-LINE

DIP16,.3

N

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

4.572 mm

7.62 mm

0

.032 MHz

30

260

19.175 mm

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T16

1

Not Qualified

YES

e3

DS1685QN-5/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

CHIP CARRIER

LDCC28,.5SQ

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

QUAD

4.57 mm

11.505 mm

8

.032 MHz

11.505 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

S-PQCC-J28

Not Qualified

YES

e0

DS17285SN-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.7 V

3

SMALL OUTLINE

SOP24,.4

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.67 mm

7.5 mm

8

.032 MHz

245

17.9 mm

1

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e0

DS12885N

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

DIP24,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

31.75 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

NO

e0

Timers & Real-Time Clocks

Timers and real-time clocks (RTCs) are electronic devices that are used to measure and track time intervals in electronic systems. They are crucial components in many applications, such as control systems, automation systems, and consumer electronics.

A timer is an electronic device that is used to measure the duration of time intervals. Timers can be either digital or analog and can be used to measure time intervals ranging from microseconds to hours or even days. They can be used for a variety of applications, such as controlling the duration of a signal or triggering an event after a specified time interval.

A real-time clock (RTC) is a clock that keeps track of the current time and date. Unlike a timer, an RTC is capable of keeping track of time even when the system is powered off. RTCs are commonly used in consumer electronics such as watches, clocks, and digital cameras, as well as in control systems, data loggers, and other applications that require accurate timekeeping.