DIP Timers & Real-Time Clocks 677

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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

DS12B887

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP24,.6

Y

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

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

DS1251Y-70

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

N

4.5 V

70 Cel

0 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

Not Qualified

NO

e0

DS1216B

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

TIMEKEEPING CURRENT = 1UA; 10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C

35.69 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-XDIP-T28

1

Not Qualified

NO

e0

DS17485-3+

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

MATTE TIN

DUAL

5.08 mm

15.24 mm

8

.032 MHz

30

260

31.75 mm

1

CMOS

SECONDS

3 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

NO

e3

DS1251W-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

IN-LINE

DIP32,.6

N

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

10.922 mm

15.24 mm

8

43.053 mm

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-P32

Not Qualified

NO

e0

DS1248Y-120

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP32,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T32

Not Qualified

NO

e0

DS1287

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP24,.6

Y

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1501W+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

IN-LINE

DIP28,.6

Y

3 V

70 Cel

0 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

DS1395

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

Y

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

YES

e0

DS1216F-3

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

3.3 V

IN-LINE

DIP32,.6

N

2.7 V

70 Cel

0 Cel

TIN LEAD

DUAL

11.94 mm

15.24 mm

40.635 mm

0

CMOS

1/100 SECOND

3 V

Timer or RTC

2.54 mm

R-PDIP-T32

1

Not Qualified

NO

e0

DS1511W-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.6 V

IN-LINE

3 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

.032 MHz

38.862 mm

1

CMOS

3.3 V

2.54 mm

R-PDIP-T28

Not Qualified

e0

DS17885-5+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, MUXED BUS

5.5 V

5

IN-LINE

DIP24,.6

Y

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

5.08 mm

15.24 mm

8

.032 MHz

30

260

31.75 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

YES

e3

DS1386-08-12

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

IN-LINE

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P; 10 YEARS DATA RETENTION

8

0

CMOS

5 V

R-PDIP-T32

Not Qualified

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

DS1643-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1553-70

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

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

DS1285

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP24,.6

Y

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

YES

e0

DS1310

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

40

DIP

RECTANGULAR

UNSPECIFIED

NO

5

MICROELECTRONIC ASSEMBLY

DIP40(UNSPEC)

70 Cel

0 Cel

TIN LEAD

DUAL

CMOS

5 mA

5 V

Timer or RTC

R-XDMA-P40

Not Qualified

e0

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

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

DS1642-120

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP24,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1244Y-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1243Y-150

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

IN-LINE

DIP28,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.398 mm

15.24 mm

8

38.862 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-P28

Not Qualified

NO

e0

DS1646-12

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

IN-LINE

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION

8

0

CMOS

5 V

R-PDIP-T32

Not Qualified

e0

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

DS1644-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1215

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

SERIAL, FIXED PROTOCOL

5

IN-LINE

DIP16,.3

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T16

Not Qualified

YES

e0

DS1643-70

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.02 mm

15.24 mm

8

.032 MHz

37.595 mm

1

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-P28

1

Not Qualified

NO

e0

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

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

DS1251W-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

3.3

IN-LINE

DIP32,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T32

Not Qualified

NO

e0

DS17885-3

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

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

1

Not Qualified

YES

e0

DS1510W

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

IN-LINE

DIP32,.6

Y

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

9.52 mm

15.24 mm

8

.032 MHz

42.925 mm

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T32

Not Qualified

NO

e0

DS1743-85+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timers or RTCs

2.54 mm

R-XDMA-P28

Not Qualified

NO

e3

DS1744-100

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1216C

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

DS1556W-120

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

DIP32,.6

Y

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

10.922 mm

15.24 mm

8

.032 MHz

43.053 mm

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDMA-P32

Not Qualified

NO

e0

DS1742W-150+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

IN-LINE

DIP24,.6

N

2.97 V

70 Cel

0 Cel

MATTE TIN

DUAL

8.51 mm

15.24 mm

8

.032 MHz

37.595 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDIP-P24

Not Qualified

NO

e3

DS1248W-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

3.3

IN-LINE

DIP32,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T32

Not Qualified

NO

e0

DS1685-3+

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

MATTE TIN

DUAL

5.08 mm

15.24 mm

8

.032 MHz

30

260

31.75 mm

1

CMOS

SECONDS

3 V

Timer or RTC

2.54 mm

R-PDIP-T24

1

Not Qualified

YES

e3

DS1248Y-150

Maxim Integrated

COMMERCIAL

THROUGH-HOLE

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP32,.6

N

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T32

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

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

DS1284+

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

MATTE TIN

DUAL

5.08 mm

15.24 mm

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

8

.032 MHz

30

260

36.83 mm

1

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

1

Not Qualified

YES

e3

DS1742-85

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP24,.6

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

5.08 mm

15.24 mm

8

31.75 mm

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

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.