RECTANGULAR 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

DS12R885S-33+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

2.67 mm

7.495 mm

8

.032 MHz

30

260

15.365 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e3

DS1673S-5+

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

5

SMALL OUTLINE

SOP20,.4

Y

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

3-CHANNEL, 8-BIT ADC

1

.032 MHz

30

260

12.8 mm

0

MOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1501WZ+T&R

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.4

Y

3 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

17.9 mm

1

CMOS

SECONDS

3.3 V

Timers or RTCs

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e3

DS1216B-3.3V

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

28

RECTANGULAR

UNSPECIFIED

NO

SERIAL, FIXED PROTOCOL

3.6 V

MICROELECTRONIC ASSEMBLY

3 V

70 Cel

0 Cel

TIN LEAD

DUAL

0

CMOS

3.3 V

R-XDMA-T28

Not Qualified

e0

DS1251Y-70+

Analog Devices

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

Matte Tin (Sn) - annealed

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

DS1244W-120IND+

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

IN-LINE

DIP28,.6

N

2.97 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

9.398 mm

15.24 mm

8

38.862 mm

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-P28

Not Qualified

YES

e3

DS1670E+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

1.1 mm

4.4 mm

3-CHANNEL, 8-BIT ADC

1

.032 MHz

30

260

6.5 mm

0

CMOS

SECONDS

3.3 V

Timers or RTCs

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1315N-5+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

4.572 mm

7.62 mm

0

.032 MHz

30

260

19.175 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

2.54 mm

R-PDIP-T16

1

Not Qualified

YES

e3

DS1318E+T&R

Analog Devices

TIMER, PROGRAMMABLE

INDUSTRIAL

GULL WING

24

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

3 V

85 Cel

-40 Cel

DUAL

1.1 mm

4.4 mm

8

.032 MHz

7.8 mm

1

CMOS

3.3 V

.65 mm

R-PDSO-G24

1

Not Qualified

DS1746

Analog Devices

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

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-P32

Not Qualified

NO

e0

DS1747WP

Analog Devices

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

N

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

DS1315E-3V

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

3.3 V

3

SMALL OUTLINE

TSSOP20,.25

N

2.7 V

70 Cel

0 Cel

TIN LEAD

DUAL

0

CMOS

1/100 SECOND

3 V

Timer or RTC

.635 mm

R-PDSO-G20

1

Not Qualified

YES

e0

DS1251P-70-IND

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

32

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

MICROELECTRONIC ASSEMBLY

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

14.285 MHz

CMOS

5 V

R-XDMA-T32

Not Qualified

e0

DS1315EN-3V

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

3

SMALL OUTLINE

TSSOP20,.25

N

85 Cel

-45 Cel

TIN LEAD

DUAL

0

CMOS

1/100 SECOND

3 V

Timer or RTC

.635 mm

R-PDSO-G20

1

Not Qualified

YES

e0

DS1338C-18#

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

1.71 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

0

.032 MHz

10.3 mm

1

CMOS

1.8 V

1.27 mm

R-PDSO-G16

1

Not Qualified

NO

e3

DS1687-5+

Analog Devices

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 (Sn) - annealed

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

YES

e3

DS17885S-5+

Analog Devices

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

Matte Tin (Sn) - annealed

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

YES

e3

DS1251PP-70-IND

Analog Devices

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

8

14.285 MHz

CMOS

5 V

R-XDMA-U34

Not Qualified

e0

DS1557WP-120IND+

Analog Devices

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

Y

2.97 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

8

.032 MHz

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS1501YZ+

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP28,.4

Y

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

17.9 mm

1

CMOS

SECONDS

5 V

Timers or RTCs

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e3

DS1672S-3+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

1.75 mm

3.9 mm

.032 MHz

30

260

4.9 mm

0

CMOS

SECONDS

3 V

Timers or RTCs

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

DS1747WP-120IND+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

2.3368 mm

23.495 mm

8

.032 MHz

25.019 mm

0

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-XDMA-U34

Not Qualified

NO

e3

DS1744P

Analog Devices

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

8

.032 MHz

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1375

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

6

SON

RECTANGULAR

UNSPECIFIED

YES

I2C

5.5 V

SMALL OUTLINE

1.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

.032 MHz

1

CMOS

3.3 V

R-XDSO-N6

Not Qualified

e0

DS1248-70

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

MICROELECTRONIC ASSEMBLY

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

14.285 MHz

CMOS

5 V

R-XDMA-T32

Not Qualified

e0

DS1685S+5G55

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

SMALL OUTLINE

4.5 V

70 Cel

0 Cel

DUAL

2.67 mm

7.5 mm

8

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

17.9 mm

1

CMOS

5 V

1.27 mm

R-PDSO-G24

Not Qualified

DS1744

Analog Devices

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

8

.032 MHz

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-P28

Not Qualified

NO

e0

DS1553W-150+

Analog Devices

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

3.3

IN-LINE

DIP28,.6

Y

70 Cel

0 Cel

DUAL

30

260

CMOS

SECONDS

3.3 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

DS1670E+TRL

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

1.1 mm

4.4 mm

3-CHANNEL, 8-BIT ADC

1

.032 MHz

6.5 mm

CMOS

SECONDS

3.3 V

Timers or RTCs

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1556W-120+

Analog Devices

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

Matte Tin (Sn) - annealed

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

e3

DS1642-12

Analog Devices

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

5.72 mm

7.62 mm

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

8

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T24

Not Qualified

NO

e0

DS1340C-18#

Analog Devices

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

MATTE TIN

DUAL

2.65 mm

7.5 mm

.032 MHz

10.3 mm

CMOS

1.8 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e3

DS1673E-5+T&R

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Y

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

4.4 mm

3-CHANNEL, 8-BIT ADC

1

.032 MHz

30

260

6.5 mm

0

MOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1315S-5+T&R

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

5.5 V

5

SMALL OUTLINE

SOP16,.4

N

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

0

.032 MHz

30

260

10.3 mm

0

CMOS

1/100 SECOND

5 V

Timer or RTC

1.27 mm

R-PDSO-G16

1

Not Qualified

YES

e3

DS1244YP-70+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

6.858 mm

23.495 mm

8

25.019 mm

CMOS

1/100 SECOND

5 V

Timer or RTC

1.27 mm

R-XDMA-U34

1

Not Qualified

NO

e3

DS1244W-120+

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

IN-LINE

DIP28,.6

N

2.97 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

9.398 mm

15.24 mm

8

38.862 mm

CMOS

1/100 SECOND

3.3 V

Timer or RTC

2.54 mm

R-PDIP-P28

Not Qualified

YES

e3

DS1593

Analog Devices

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL

5

IN-LINE

DIP28,.6

Y

70 Cel

0 Cel

TIN LEAD

DUAL

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-PDIP-T28

Not Qualified

NO

e0

DS1556P-70+

Analog Devices

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) - annealed

DUAL

8

.032 MHz

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS1743W-150IND+

Analog Devices

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 (Sn) - annealed

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

Not Qualified

NO

e3

DS1315E-33+

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

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

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

4.4 mm

0

.032 MHz

30

260

6.5 mm

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1554

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

32

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

DIP32,.6

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

.032 MHz

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-P32

Not Qualified

NO

e0

DS1251P-100-IND

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

32

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

MICROELECTRONIC ASSEMBLY

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

10 MHz

CMOS

5 V

R-XDMA-T32

Not Qualified

e0

DS1501YZ+T&R

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP28,.4

Y

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

17.9 mm

1

CMOS

SECONDS

5 V

Timers or RTCs

1.27 mm

R-PDSO-G28

1

Not Qualified

YES

e3

DS1308N

Analog Devices

INDUSTRIAL

BALL

36

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, FIXED PROTOCOL

5

GRID ARRAY

BGA36,9X8,50

N

85 Cel

-40 Cel

TIN LEAD

BOTTOM

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PBGA-B36

Not Qualified

YES

e0

DS17285SN-5+

Analog Devices

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 (Sn) - annealed

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

YES

e3

DS1747W

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

THROUGH-HOLE

32

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

2.97 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

.032 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-T32

Not Qualified

NO

e0

DS1244WP-120+

Analog Devices

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

N

2.97 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

DUAL

6.858 mm

23.495 mm

8

25.019 mm

CMOS

1/100 SECOND

3.3 V

Timer or RTC

1.27 mm

R-XDMA-U34

Not Qualified

NO

e3

DS1744+100

Analog Devices

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

28

QIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP32,.6

N

4.5 V

70 Cel

0 Cel

Matte Tin (Sn) - annealed

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-XDIP-P28

Not Qualified

NO

e3

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.