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

DS1340C-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

.032 MHz

10.3 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e0

DS1340C-33#

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

2.97 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

.032 MHz

30

260

10.3 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e3

PCF85263ATT1/AZ

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

SERIAL(I2C)

5.5 V

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP10,.19,20

Y

.9 V

85 Cel

-40 Cel

DUAL

1.1 mm

1

3 mm

0

.032768 MHz

260

3 mm

1

CMOS

.000885 mA

SECONDS

3.3 V

.5 mm

S-PDSO-G10

1

NO

MCP7940M-I/P

Microchip Technology

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

I2C

5.5 V

8

TS 16949

2/5

IN-LINE

DIP8,.3

Y

1.8 V

85 Cel

-40 Cel

MATTE TIN

DUAL

5.334 mm

64

7.62 mm

0

.032 MHz

9.271 mm

1

CMOS

.4 mA

SECONDS

2.5 V

Timer or RTC

2.54 mm

R-PDIP-T8

Not Qualified

YES

e3

PCF8523T/1

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

1.2 V

85 Cel

-40 Cel

DUAL

1.75 mm

3.9 mm

4.9 mm

1

CMOS

3 V

1.27 mm

R-PDSO-G8

Not Qualified

DS1306EN/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Y

2 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

4.4 mm

0

.032 MHz

6.5 mm

0

CMOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e0

DS1306EN+T&R

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Y

2 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

4.4 mm

0

.032 MHz

30

260

6.5 mm

0

CMOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G20

1

Not Qualified

YES

e3

DS1339C-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2.65 mm

7.5 mm

.032 MHz

10.3 mm

1

CMOS

3.3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

e0

DS1339C-33#

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3

SMALL OUTLINE

SOP16,.4

Y

2.97 V

85 Cel

-40 Cel

MATTE TIN

DUAL

2.65 mm

7.5 mm

.032 MHz

30

260

10.3 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G16

Not Qualified

NO

e3

DS1340Z-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 (Sn85Pb15)

DUAL

1.75 mm

3.9 mm

.032 MHz

4.9 mm

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e0

DS1340Z-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

CMOS

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

RTC-72423A:ROHS

Seiko Epson

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL

5.5 V

5

SMALL OUTLINE

SOP24,.5

N

4.5 V

85 Cel

-40 Cel

TIN BISMUTH

DUAL

2.8 mm

7.9 mm

LG-MAX

4

260

16.3 mm

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e6

PCF8563P/F4,112

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

I2C

5.5 V

2/5

IN-LINE

DIP8,.3

Y

1.8 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

4.2 mm

7.62 mm

.032 MHz

9.5 mm

0

CMOS

SECONDS

2 V

Timer or RTC

2.54 mm

R-PDIP-T8

Not Qualified

YES

e4

PCF2127AT/2

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

4.2 V

SMALL OUTLINE

1.8 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

.032 MHz

30

260

12.8 mm

1

CMOS

2 V

1.27 mm

R-PDSO-G20

3

e4

PCF85363ATL/AX

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

10

HVSON

SQUARE

PLASTIC/EPOXY

YES

SERIAL(I2C)

5.5 V

8

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC10,.11,20

Y

.9 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

.5 mm

64

2.6 mm

.032768 MHz

30

260

2.6 mm

CMOS

SECONDS

3 V

.5 mm

S-PDSO-N10

1

YES

e4

RX6110SA:B3:PURESN

Seiko Epson

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C; SERIAL

5.5 V

SMALL OUTLINE

1.6 V

85 Cel

-40 Cel

TIN

DUAL

3.3 mm

5 mm

0

260

10.1 mm

CMOS

3 V

1.27 mm

R-PDSO-G14

e3

PCF85363ATT1/AJ

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

10

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

.9 V

85 Cel

-40 Cel

DUAL

1.1 mm

3 mm

260

3 mm

1

CMOS

3.3 V

.5 mm

S-PDSO-G10

1

PCF8563TS/4

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

2/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

Y

1.8 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.1 mm

3 mm

0

.032 MHz

30

260

3 mm

1

CMOS

SECONDS

2 V

Timer or RTC

.65 mm

R-PDSO-G8

1

Not Qualified

YES

e4

PT7C4337WEX

Diodes Incorporated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

2/5

SMALL OUTLINE

SOP8,.25

Y

1.8 V

85 Cel

-40 Cel

DUAL

1.75 mm

3.9 mm

.032768 MHz

4.9 mm

1

CMOS

.15 mA

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

YES

DS1388Z-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

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

.032 MHz

4.9 mm

CMOS

1/100 SECOND

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

NO

e0

DS1388Z-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

Y

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

CMOS

1/100 SECOND

3 V

Timers or RTCs

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

IP82C54-10Z

Renesas Electronics

TIMER, PROGRAMMABLE

INDUSTRIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

PARALLEL, DIRECT ADDRESS

5.5 V

16

IN-LINE

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

6.35 mm

15.24 mm

8

10 MHz

31 mm

3

CMOS

5 V

2.54 mm

R-PDIP-T24

Not Qualified

e3

PCF85063TP/1

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

8

HVSON

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

.9 V

85 Cel

-40 Cel

DUAL

.8 mm

2 mm

ALSO OPERATES AT 1.8 V AT 400KHZ

.032 MHz

3 mm

1

CMOS

3.3 V

.5 mm

R-PDSO-N8

PCF8583T/5

Philips Semiconductors

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 2 WIRE/I2C

3/5

SMALL OUTLINE

SOP8,.4

Y

85 Cel

-40 Cel

DUAL

260

CMOS

1/100 SECOND

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

YES

DS1338U-33+T&R/C01

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

3 mm

30

260

3 mm

1

CMOS

3.3 V

.65 mm

S-PDSO-G8

1

e3

RTC-72423A3:PURESN

Seiko Epson

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL

5.5 V

4

5

SMALL OUTLINE

SOP24,.5

N

4.5 V

85 Cel

-40 Cel

TIN

DUAL

2.8 mm

7.9 mm

LG-MAX

4

260

16.3 mm

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e3

MCP79400T-I/SN

Microchip Technology

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

8

TS 16949

2/5

SMALL OUTLINE

SOP8,.23

Y

1.8 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

64

3.9 mm

0

.032 MHz

30

260

4.9 mm

1

CMOS

3 mA

SECONDS

2.5 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

HEF4541BT,512

NXP Semiconductors

TIMER, PROGRAMMABLE

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

15 V

SMALL OUTLINE

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

1.75 mm

3.9 mm

0

30

260

8.65 mm

1

CMOS

5 V

1.27 mm

R-PDSO-G14

3

Not Qualified

e4

CDP68HC68T1M2Z

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

6 V

8

SMALL OUTLINE

SOP16,.4

Y

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

2.65 mm

32

7.5 mm

8

30

260

10.3 mm

1

CMOS

.01 mA

SECONDS

5 V

SPI

1.27 mm

R-PDSO-G16

3

NO

e3

PCF85063TP/1,118

NXP Semiconductors

INDUSTRIAL

NO LEAD

8

SON

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 2 WIRE/I2C

1.2/5

SMALL OUTLINE

SOLCC8,.12,20

N

85 Cel

-40 Cel

DUAL

CMOS

SECONDS

Timers or RTCs

.5 mm

R-PDSO-N8

Not Qualified

YES

M41T93RMY6F

STMicroelectronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

18

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 4 WIRE/SPI

5.5 V

8

3/5

SMALL OUTLINE

SOP18,.4

Y

2.7 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

2.69 mm

7.62 mm

5 MHz

30

240

11.61 mm

1

CMOS

1/100 SECOND

3 V

Timers or RTCs

1.27 mm

R-PDSO-G18

1

Not Qualified

NO

e3

M41T81SMY6E

STMicroelectronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

18

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE

SOP18,.4

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

2.69 mm

7.62 mm

.032 MHz

30

240

11.61 mm

1

CMOS

1/100 SECOND

5 V

Timers or RTCs

1.27 mm

R-PDSO-G18

1

Not Qualified

YES

e3

PCF2127AT/1,512

NXP Semiconductors

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 4 WIRE/SPI

2/4

SMALL OUTLINE

SOP20,.4

Y

85 Cel

-40 Cel

DUAL

CMOS

SECONDS

Timers or RTCs

1.27 mm

R-PDSO-G20

Not Qualified

YES

PT7C4372ALEX

Diodes Incorporated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL(I2C)

6 V

2/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.25

Y

1.8 V

85 Cel

-40 Cel

DUAL

1.2 mm

3 mm

.032768 MHz

4.4 mm

1

CMOS

SECONDS

3 V

Timer or RTC

.65 mm

R-PDSO-G8

Not Qualified

NO

DS1340U-33/T&R

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1340U-33+T&R

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3

SMALL OUTLINE

TSSOP8,.19

N

2.97 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

3 mm

.032 MHz

30

260

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e3

FT7522L6X

Onsemi

TIMER, PROGRAMMABLE

INDUSTRIAL

BUTT

6

VBCC

RECTANGULAR

UNSPECIFIED

YES

5 V

CHIP CARRIER, VERY THIN PROFILE

1.8 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

BOTTOM

.55 mm

1 mm

0

30

260

1.45 mm

0

CMOS

.5 mm

R-XBCC-B6

1

e4

ISL1208IU8Z-TK

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.2

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

2

3 mm

0

.032768 MHz

30

260

3 mm

CMOS

.004 mA

SECONDS

3 V

.65 mm

S-PDSO-G8

2

NO

e3

CDP68HC68T1M2Z96

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.25 V

3.3/5

SMALL OUTLINE

SOP16,.4

Y

4.75 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

4.1943 MHz

30

260

10.3 mm

1

CMOS

SECONDS

5 V

Timers or RTCs

1.27 mm

R-PDSO-G16

3

Not Qualified

YES

e3

MCP79400T-I/MS

Microchip Technology

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

8

TS 16949

2/5

SMALL OUTLINE

SOP8,.19

Y

1.8 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.1 mm

64

3 mm

0

.032 MHz

3 mm

1

CMOS

3 mA

SECONDS

2.5 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e3

PCF8593T/1,112

NXP Semiconductors

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

6 V

3/5

SMALL OUTLINE

SOP8,.25

Y

2.5 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.75 mm

3.9 mm

.032 MHz

260

4.9 mm

0

CMOS

1/100 SECOND

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

YES

e4

DS1340U-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.97 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.1 mm

3 mm

.032 MHz

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e0

DS1340U-33+

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

2.97 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

3 mm

.032 MHz

30

260

3 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

Not Qualified

NO

e3

DS1746-70IND

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

PIN/PEG

32

DIP

RECTANGULAR

UNSPECIFIED

NO

PARALLEL, DIRECT ADDRESS

5.5 V

5

IN-LINE

DIP32,.6

N

4.5 V

85 Cel

-40 Cel

TIN LEAD

DUAL

9.27 mm

15.24 mm

8

.032 MHz

38.675 mm

CMOS

SECONDS

5 V

Timer or RTC

2.54 mm

R-XDIP-P32

1

Not Qualified

NO

e0

DS1746-70IND+

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

THROUGH-HOLE

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

Matte Tin (Sn) - annealed

DUAL

10.922 mm

15.24 mm

8

.032 MHz

43.053 mm

CMOS

SECONDS

5 V

Timers or RTCs

2.54 mm

R-PDIP-T32

Not Qualified

NO

e3

DS1343D-33+T&R

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

NO LEAD

14

HVSON

SQUARE

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

3 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

.8 mm

3 mm

30

260

3 mm

1

CMOS

3.3 V

.4 mm

S-PDSO-N14

1

e3

DS1394U-33+

Analog Devices

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

Matte Tin (Sn) - annealed

DUAL

1.1 mm

3 mm

.032 MHz

30

260

3 mm

1

CMOS

1/100 SECOND

3.3 V

Timers or RTCs

.5 mm

S-PDSO-G10

1

Not Qualified

NO

e3

DS1308U-33+T

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

I2C

5.5 V

3.3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP8,.19

N

3 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

1.1 mm

3 mm

30

260

3 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

S-PDSO-G8

1

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.