34 Timers & Real-Time Clocks 198

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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

DS1251WP-150

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

70 Cel

0 Cel

CMOS

1/100 SECOND

3.3 V

Timer or RTC

Not Qualified

NO

DS1647P

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

Not Qualified

NO

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

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

Not Qualified

NO

e3

DS1553P-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

Y

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

Not Qualified

NO

e0

DS1543P-100

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

NO LEAD

34

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

4.5 V

70 Cel

0 Cel

DUAL

8

10 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-N34

1

Not Qualified

NO

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

DS1557WP-150

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

70 Cel

0 Cel

CMOS

SECONDS

3.3 V

Timer or RTC

Not Qualified

NO

DS1553P-70+

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

CMOS

5 V

R-XDMA-U34

Not Qualified

e3

DS1747WP-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

20

240

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1744P-100

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

70 Cel

0 Cel

SECONDS

5 V

Timer or RTC

Not Qualified

NO

DS1554WP-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

Y

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

.032 MHz

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1557P-70

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

SOJ

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1644P-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

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1248WP--150

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

PIN/PEG

34

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 (Sn/Pb)

DUAL

USE DS9034PCX TO ORDER POWERCAP

8

CMOS

1/100 SECOND

3.3 V

Timer or RTC

R-XDMA-P34

Not Qualified

NO

e0

DS1244YP-70-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

DIP

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.6 V

5

MICROELECTRONIC ASSEMBLY

DIP28,.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-U34

Not Qualified

NO

e0

DS1244WP-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

MATTE TIN

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

DS1557P-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

Not Qualified

NO

e0

DS1251YP-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

USE DS9034PCX TO ORDER POWERCAP

8

CMOS

1/100 SECOND

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1743WP-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

A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

8

.032 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS-1644L-150

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

S BEND

34

SOS

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

MODULE,34LEAD,1.0

N

4.5 V

70 Cel

0 Cel

TIN LEAD

DUAL

8

0

CMOS

SECONDS

5 V

Timer or RTC

R-PDSO-S34

Not Qualified

NO

e0

DS1244WP-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

0

CMOS

1/100 SECOND

3.3 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1554WP-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

IT CAN ALSO OPERATE WITH 5V

8

.032 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1248YP-70-IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

J INVERTED

34

DIP

RECTANGULAR

UNSPECIFIED

YES

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-U34

Not Qualified

NO

e0

DS1742P-100+

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

DS1743P-85IND+

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

DS1643P-100

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

QCCJ

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

2.3368 mm

23.495 mm

8

.032 MHz

25.019 mm

0

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-XDMA-U34

1

Not Qualified

NO

e0

DS1643P+100

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

DS1251YP-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

MATTE TIN

DUAL

6.858 mm

23.495 mm

USE DS9034PCX TO ORDER POWERCAP

8

24.384 mm

CMOS

1/100 SECOND

5 V

Timer or RTC

1.27 mm

R-XDMA-U34

Not Qualified

NO

e3

DS1556WP-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

Y

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

.032 MHz

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1743WP-150+

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

N

2.97 V

70 Cel

0 Cel

MATTE TIN

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

e3

DS1644P-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

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

DS1557WP-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

Y

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

8

.032 MHz

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e0

DS1248WP--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

N

2.97 V

70 Cel

0 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

DS1248YP-100

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

70 Cel

0 Cel

CMOS

1/100 SECOND

5 V

Timer or RTC

Not Qualified

NO

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

MATTE TIN

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

e3

DS1743-85IND+

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

DIP

RECTANGULAR

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

5.5 V

3.3/5

MICROELECTRONIC ASSEMBLY

DIP28,.6

N

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDMA-U34

Not Qualified

NO

e3

DS1743WP-200

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

L BEND

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

8

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-L34

Not Qualified

NO

e0

DS1244YP-100

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

5

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

N

70 Cel

0 Cel

CMOS

1/100 SECOND

5 V

Timer or RTC

Not Qualified

NO

DS1386P-8-120

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

TIN LEAD

DUAL

8

.032 MHz

1

CMOS

1/100 SECOND

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1744P-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

MATTE TIN

DUAL

8

.032 MHz

0

CMOS

SECONDS

5 V

Timer or RTC

R-XDMA-U34

Not Qualified

NO

e3

DS1747P-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

Not Qualified

NO

e0

DS1556P-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

Y

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

DS1747WP-C01

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

J INVERTED

34

UNSPECIFIED

UNSPECIFIED

YES

PARALLEL, DIRECT ADDRESS

3.63 V

MICROELECTRONIC ASSEMBLY

2.97 V

70 Cel

0 Cel

DUAL

6.858 mm

8

NOT SPECIFIED

NOT SPECIFIED

23.495 mm

CMOS

3.3 V

1.27 mm

X-XDMA-U34

DS1743WP-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

MATTE TIN

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

e3

DS1244YP-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

0

CMOS

1/100 SECOND

5 V

Timer or RTC

R-XDMA-U34

1

Not Qualified

NO

e0

DS1743P-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

N

4.5 V

70 Cel

0 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

Not Qualified

NO

e3

DS1554WP-150

Maxim Integrated

COMMERCIAL

34

PLASTIC/EPOXY

PARALLEL

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

70 Cel

0 Cel

CMOS

SECONDS

3.3 V

Timer or RTC

Not Qualified

NO

DS1543WP-150

Maxim Integrated

TIMER, REAL TIME CLOCK

COMMERCIAL

NO LEAD

34

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

3.63 V

3.3

MICROELECTRONIC ASSEMBLY

MODULE,34LEAD,1.0

Y

2.97 V

70 Cel

0 Cel

DUAL

8

6.67 MHz

0

CMOS

SECONDS

3.3 V

Timer or RTC

R-XDMA-N34

1

Not Qualified

NO

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.