INDUSTRIAL Timers & Real-Time Clocks 1,864

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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

DS1685EN-3

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

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

DS1286I

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP28,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

10.28 mm

15.24 mm

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

8

.032 MHz

38.865 mm

1

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-XDMA-P28

Not Qualified

YES

e0

DS12R885S-5/T&R

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

7.495 mm

8

.032 MHz

15.365 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e0

DS1672-2

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

I2C

2.2 V

2

IN-LINE

DIP8,.3

N

1.8 V

85 Cel

-40 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

.032 MHz

9.375 mm

0

CMOS

SECONDS

2 V

Timer or RTC

2.54 mm

R-PDIP-T8

1

Not Qualified

NO

e0

DS1500YEN+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

32

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP32,.8,20

Y

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.24 mm

8 mm

8

.032 MHz

18.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.5 mm

R-PDSO-G32

3

Not Qualified

NO

e3

DS1338UA-33+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

3.3 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

3 mm

.032 MHz

30

260

3 mm

1

CMOS

3 V

.65 mm

S-PDSO-G8

1

Not Qualified

e3

DS1248Y-70IND

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

TIN LEAD

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

1

Not Qualified

NO

e0

DS1391U-18

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

1.89 V

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP10,.19,20

Y

1.71 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

1/100 SECOND

1.8 V

Timer or RTC

.5 mm

S-PDSO-G10

1

Not Qualified

YES

e0

DS1251YP-100-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

MICROELECTRONIC ASSEMBLY

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

0

CMOS

5 V

R-XDMA-U34

Not Qualified

e0

DS1687N-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

3.7 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

DS17287N-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

DS1689SN/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS/MUXED BUS

4 V

16

3/5

SMALL OUTLINE

SOP28,.45

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

3.05 mm

8.565 mm

CAN ALSO OPERATE WITH 5V SUPPLY

8

.032 MHz

18.1 mm

1

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e0

DS1672S-3

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

3.3 V

3

SMALL OUTLINE

SOP8,.25

N

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

.032 MHz

4.9 mm

0

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e0

DS1315EN-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

5.5 V

5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

0

.032 MHz

245

6.5 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e0

DS1338U-18

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

1.89 V

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

1.71 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

SECONDS

1.8 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1251Y-70-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.6 V

5

MICROELECTRONIC ASSEMBLY

DIP32,.6

N

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

ALSO OPERATES AT 5V SUPPLY

8

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-XDMA-T32

Not Qualified

NO

e0

DS1501YEN+T&R

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

DUAL

1.2 mm

8 mm

8

.032 MHz

11.8 mm

1

CMOS

SECONDS

5 V

Timers or RTCs

.55 mm

R-PDSO-G28

3

Not Qualified

YES

e3

DS1315SN-5V

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

5

SMALL OUTLINE

SOP16,.4

N

85 Cel

-45 Cel

TIN LEAD

DUAL

0

CMOS

1/100 SECOND

5 V

Timer or RTC

1.27 mm

R-PDSO-G16

1

Not Qualified

YES

e0

DS1744-70IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP32,.6

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

10.42 mm

15.24 mm

8

.032 MHz

38.865 mm

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-T28

Not Qualified

NO

e0

DS1393U-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 2-WIRE/I2C

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

1

Not Qualified

YES

e0

DS1685SN-5/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE

SOP20,.4

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e0

DS1500YN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

32

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

DIP32,.6

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.24 mm

8 mm

8

.032 MHz

18.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.5 mm

R-PDSO-G32

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

MATTE TIN

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

e3

DS1244YP-100-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

DIP

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

4.5 V

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-XDMA-U34

Not Qualified

NO

e0

DS1339C-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

DS1283SN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

SMALL OUTLINE

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

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

8

1

CMOS

5 V

R-PDSO-G28

1

Not Qualified

e0

DS1687-3IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

3.7 V

3

IN-LINE

DIP24,.6

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

.032 MHz

33.782 mm

1

CMOS

SECONDS

3 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

YES

e0

DS1678

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

I2C

5.5 V

5

IN-LINE

DIP8,.3

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

.032 MHz

9.375 mm

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T8

1

Not Qualified

NO

e0

DS1340U-3/T&R

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

DS1346T+TR

Maxim Integrated

INDUSTRIAL

NO LEAD

8

VSON

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 4 WIRE/SPI

5.5 V

8

2.5/5

SMALL OUTLINE, VERY THIN PROFILE

SOLCC8,.12,25

Y

2 V

85 Cel

-40 Cel

MATTE TIN

DUAL

.8 mm

3 mm

0

.032 MHz

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-N8

1

Not Qualified

YES

e3

DS17487-5IND

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

9.398 mm

15.24 mm

8

.032 MHz

33.782 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1344E-18+T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

1.71 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

4.4 mm

30

260

6.5 mm

1

CMOS

1.8 V

.65 mm

R-PDSO-G20

1

e3

DS12CR887-5

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

9.398 mm

15.24 mm

8

.032 MHz

33.782 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

NO

e0

DS12R885-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.63 V

3.3

SMALL OUTLINE

SOP24,.4

Y

2.97 V

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

2.67 mm

7.5 mm

8

.032 MHz

17.9 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

NO

e0

DS17887-5IND

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

9.398 mm

15.24 mm

8

.032 MHz

33.782 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS17285SN-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

DS1672U-2

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

2.2 V

2

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

1.8 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

0

CMOS

SECONDS

2 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1672S-2

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

2.2 V

2

SMALL OUTLINE

SOP8,.25

N

1.8 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

.032 MHz

4.9 mm

0

CMOS

SECONDS

2 V

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

NO

e0

DS1602S+TRL

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

SMALL OUTLINE

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

2.13 mm

5.285 mm

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

2 MHz

5.31 mm

0

CMOS

5 V

1.27 mm

R-PDSO-G8

1

Not Qualified

e3

DS1340C-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

CMOS

3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e0

DS12R885S-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

7.495 mm

8

.032 MHz

15.365 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e0

DS1747W-120IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

32

QIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP32,.6

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

10.922 mm

15.24 mm

8

.032 MHz

43.053 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-XDMA-P32

Not Qualified

NO

e0

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

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

DS1202SN-8

Maxim Integrated

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

2/5.5

SMALL OUTLINE

SOP8,.3

N

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

YES

e0

DS1746P-70IND+

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

2.3368 mm

23.495 mm

8

.032 MHz

25.019 mm

CMOS

SECONDS

5 V

Timers or RTCs

1.27 mm

R-XDMA-U34

Not Qualified

NO

e3

DS1339C-2

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

2.2 V

SMALL OUTLINE

1.8 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

.032 MHz

20

240

10.3 mm

1

CMOS

2 V

1.27 mm

R-PDSO-G16

1

Not Qualified

NO

e0

DS1685SN-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

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

15.4 mm

1

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

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

TIN LEAD

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

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.