TIMER, REAL TIME CLOCK Timers & Real-Time Clocks 2,400+

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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

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

MATTE TIN

DUAL

2.67 mm

7.5 mm

8

.032 MHz

30

260

17.9 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e3

DS1670E

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

3.63 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Y

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

3-CHANNEL, 8-BIT ADC

1

.032 MHz

245

6.5 mm

0

CMOS

SECONDS

3.3 V

Timers or RTCs

.65 mm

R-PDSO-G20

1

Not Qualified

YES

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

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

1

Not Qualified

YES

e3

DS1315N-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

5.5 V

5

IN-LINE

DIP16,.3

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

0

.032 MHz

19.175 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T16

1

Not Qualified

YES

e0

DS17485S-5

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE

SOP24,.4

Y

4.5 V

70 Cel

0 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

DS1386-8-120+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP32,.6

Y

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

10.922 mm

15.24 mm

8

.032 MHz

43.053 mm

1

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-P32

Not Qualified

NO

e3

DS1393U-18

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

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

DS1602SN

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

TIN LEAD

DUAL

.032 MHz

0

CMOS

5 V

R-PDSO-G8

Not Qualified

e0

DS1629S-C03+

Maxim Integrated

TIMER, REAL TIME CLOCK

MILITARY

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 2-WIRE/I2C

5.5 V

SMALL OUTLINE

2.2 V

125 Cel

-55 Cel

MATTE TIN

DUAL

30

260

CMOS

5 V

R-PDSO-G8

1

e3

DS1501YSN+T&R

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

DS1216E

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

UNSPECIFIED

NO

SERIAL, FIXED PROTOCOL

5.5 V

5

IN-LINE

DIP28,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

11.94 mm

15.24 mm

10 YEARS DATA RETENTION; SERIAL 64-BIT PROTOCOL; ACCURACY 1 MIN/MONTH @ 25 DEGREE C

20

240

35.69 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-XDIP-T28

1

Not Qualified

NO

e0

DS1646

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

32

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP32,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-P32

Not Qualified

NO

e0

DS1543-100

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP28,.6

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.02 mm

15.24 mm

8

.032 MHz

37.595 mm

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1691

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS/MUXED BUS

5.5 V

16

3/5

IN-LINE

DIP28,.6

Y

2.7 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

CAN ALSO OPERATE WITH 5V SUPPLY

8

.032 MHz

38.862 mm

1

CMOS

SECONDS

3 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS17885S-5/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

SMALL OUTLINE

SOP24,.4

Y

4.5 V

70 Cel

0 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

YES

e0

DS1743P-100

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

70 Cel

0 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

DS1501WN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

IN-LINE

DIP28,.6

Y

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

.032 MHz

36.83 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

YES

e0

DS1315EN-5+T&R

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

MATTE TIN

DUAL

1.1 mm

4.4 mm

0

.032 MHz

6.5 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1642-70

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP24,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

10.668 mm

15.24 mm

8

.032 MHz

33.02 mm

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDMA-P24

1

Not Qualified

NO

e0

DS1254Y

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

BALL

168

BGA

SQUARE

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

5.5 V

GRID ARRAY

4.5 V

70 Cel

0 Cel

TIN LEAD

BOTTOM

40 mm

0

40 mm

0

CMOS

5 V

1.27 mm

S-PBGA-B168

Not Qualified

e0

DS12885T

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

32

TQFP

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

FLATPACK, THIN PROFILE

TQFP32,.35SQ,32

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

1.2 mm

7 mm

DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING

8

.032 MHz

7 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.8 mm

S-PQFP-G32

1

Not Qualified

YES

e0

DS1685Q-3

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.7 V

3

CHIP CARRIER

LDCC28,.5SQ

2.7 V

70 Cel

0 Cel

TIN LEAD

QUAD

4.57 mm

11.505 mm

8

.032 MHz

11.505 mm

1

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

S-PQCC-J28

Not Qualified

YES

e0

DS17287N-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

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

TIN LEAD

DUAL

1.2 mm

8 mm

8

.032 MHz

11.8 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.55 mm

R-PDSO-G28

3

Not Qualified

YES

e0

DS1501WEN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

Y

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.2 mm

8 mm

8

.032 MHz

11.8 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

.55 mm

R-PDSO-G28

3

Not Qualified

YES

e0

DS1553P-85+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

4.5 V

70 Cel

0 Cel

Matte Tin (Sn)

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

30

260

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS12885TN

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

32

TQFP

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

5

FLATPACK, THIN PROFILE

TQFP32,.35SQ,32

Y

4.5 V

85 Cel

-40 Cel

TIN LEAD

QUAD

1.2 mm

7 mm

8

.032 MHz

7 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.8 mm

S-PQFP-G32

1

Not Qualified

NO

e0

DS1386P08-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

4.5 V

70 Cel

0 Cel

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

1

CMOS

1/100 SECOND

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

DS1554P-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

Y

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

DS1553-100

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP28,.6

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

.032 MHz

38.862 mm

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-P28

Not Qualified

NO

e0

DS1315-33

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

3.6 V

3.3

IN-LINE

DIP16,.3

N

3 V

70 Cel

0 Cel

TIN LEAD

DUAL

4.572 mm

7.62 mm

0

.032 MHz

19.175 mm

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T16

1

Not Qualified

YES

e0

DS12R885-5

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 (Sn/Pb)

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

NO

e0

DS1743P-70

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

4.5 V

70 Cel

0 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

DS1553WP-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS17487-3

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

3.7 V

3

IN-LINE

DIP24,.6

Y

2.7 V

70 Cel

0 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

Not Qualified

NO

e0

DS1743P-C01+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

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

70 Cel

0 Cel

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS1743W-150+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

QIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

2.97 V

70 Cel

0 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

DS1384FP-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

44

QFP

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

FLATPACK

QFP44,.57SQ,32

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

8

1

CMOS

1/100 SECOND

5 V

Timer or RTC

.8 mm

S-PQFP-G44

Not Qualified

YES

e0

DS1216E-3

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

3.3 V

3

IN-LINE

DIP28,.6

N

2.7 V

70 Cel

0 Cel

TIN LEAD

DUAL

11.94 mm

15.24 mm

35.69 mm

0

CMOS

1/100 SECOND

3 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1343D-18+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

14

HVSON

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

1.8

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC14,.12,16

Y

1.71 V

85 Cel

-40 Cel

MATTE TIN

DUAL

.8 mm

3 mm

4 MHz

30

260

3 mm

1

CMOS

SECONDS

1.8 V

Timers or RTCs

.4 mm

S-PDSO-N14

1

Not Qualified

NO

e3

DS1668

Maxim Integrated

TIMER, REAL TIME CLOCK

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

IN-LINE

TIN LEAD

DUAL

5.08 mm

15.24 mm

ALSO OPERATES AT 5V SUPPLY

8

37.02 mm

1

CMOS

3 V

2.54 mm

R-PDIP-T28

Not Qualified

e0

DS1501WN+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

IN-LINE

DIP28,.6

Y

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

5.08 mm

15.24 mm

8

.032 MHz

30

260

36.83 mm

1

CMOS

SECONDS

3.3 V

Timers or RTCs

2.54 mm

R-PDIP-T28

1

Not Qualified

YES

e3

DS1339U-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

Y

1.8 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

1

CMOS

SECONDS

2 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1384FP

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

44

QFP

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

FLATPACK

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

2.45 mm

9.95 mm

8

9.95 mm

1

CMOS

5 V

.8 mm

S-PQFP-G44

Not Qualified

e0

DS1744W-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

10.42 mm

15.24 mm

8

.032 MHz

38.865 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-XDMA-T28

Not Qualified

NO

e0

DS1643P-85+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

MICROELECTRONIC ASSEMBLY

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

5 V

R-XDMA-U34

Not Qualified

e3

DS1511Y-5VIND

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

IN-LINE

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

.032 MHz

38.862 mm

1

CMOS

5 V

2.54 mm

R-PDIP-T28

Not Qualified

e0

DS12R887-5

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

BGA48,8X11,50

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

3

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.