SOP Timers & Real-Time Clocks 1,195

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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

BQ3285S-SB2G4

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4802LYDWR

Texas Instruments

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3/3.3

SMALL OUTLINE

SOP28,.4

Y

2.7 V

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

17.9 mm

1

CMOS

9 mA

SECONDS

3 V

Timer or RTC

1.27 mm

R-PDSO-G28

1

Not Qualified

NO

e4

ISL12027IB27AZ

Renesas Electronics

TIMER, REAL TIME CLOCK

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL(I2C)

5.5 V

SMALL OUTLINE

SOP8,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

.32768 MHz

4.9 mm

CMOS

3.5 mA

SECONDS

3.3 V

1.27 mm

R-PDSO-G8

1

NO

e3

ISL12027IBZ-T

Renesas Electronics

TIMER, REAL TIME CLOCK

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL(I2C)

5.5 V

SMALL OUTLINE

SOP8,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

.32768 MHz

4.9 mm

CMOS

3.5 mA

SECONDS

3.3 V

1.27 mm

R-PDSO-G8

1

NO

e3

MCP79401T-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

RA-8565SA:B0:PURESN

Seiko Epson

TIMER, REAL TIME CLOCK

AUTOMOTIVE

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

AEC-Q200

2/5

SMALL OUTLINE

SOP14,.3

Y

1.8 V

125 Cel

-40 Cel

TIN

DUAL

3.3 mm

5 mm

.032 MHz

30

260

10.1 mm

CMOS

SECONDS

3 V

Timers or RTCs

1.27 mm

R-PDSO-G14

Not Qualified

YES

e3

ISL12027IB30AZ-T

Renesas Electronics

TIMER, REAL TIME CLOCK

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL(I2C)

5.5 V

SMALL OUTLINE

SOP8,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

.32768 MHz

4.9 mm

CMOS

3.5 mA

SECONDS

3.3 V

1.27 mm

R-PDSO-G8

1

NO

e3

DS1629S

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

TIN LEAD

DUAL

1.75 mm

3.9 mm

.032 MHz

245

4.9 mm

0

CMOS

2.7 V

1.27 mm

R-PDSO-G8

1

Not Qualified

e0

DS1629S+

Analog Devices

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 (Sn) - annealed

DUAL

1.75 mm

3.9 mm

.032 MHz

30

260

4.9 mm

CMOS

2.7 V

1.27 mm

R-PDSO-G8

1

Not Qualified

e3

PT7C4307WEX

Diodes Incorporated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

8

5

SMALL OUTLINE

SOP8,.25

Y

4.5 V

85 Cel

-40 Cel

DUAL

1.75 mm

56

3.9 mm

.032768 MHz

4.9 mm

1

CMOS

1.5 mA

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

YES

ISL12028IB27Z

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE

SOP14,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

0

.032 MHz

30

260

8.65 mm

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G14

2

Not Qualified

YES

e3

BU9873F-GTE2

ROHM

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

1.8 V

85 Cel

-40 Cel

DUAL

1.71 mm

4.4 mm

SEATED-HGT CALCULATED

NOT SPECIFIED

NOT SPECIFIED

5 mm

CMOS

3 V

1.27 mm

R-PDSO-G8

DS1338C-33

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

3 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

DS1338C-33+

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

3 V

85 Cel

-40 Cel

MATTE TIN

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

e3

DS1338C-33#

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

3 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

2.65 mm

7.5 mm

0

.032 MHz

30

260

10.3 mm

1

CMOS

3.3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

NO

e3

DS1340Z-18

Maxim Integrated

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

1.89 V

1.8

SMALL OUTLINE

SOP8,.25

N

1.71 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

.032 MHz

4.9 mm

CMOS

SECONDS

1.8 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e0

DS1340Z-18+

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

1.89 V

1.8

SMALL OUTLINE

SOP8,.25

N

1.71 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

1.8 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

DS1501WZN+

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.4

Y

3 V

85 Cel

-40 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

DS1501WZN+T&R

Analog Devices

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.4

Y

3 V

85 Cel

-40 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

ISL12026AIBZ

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

SMALL OUTLINE

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

30

260

4.9 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G8

1

e3

M41ST85WMH6F

STMicroelectronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

3.6 V

3/3.3

SMALL OUTLINE

SOP28,.5

Y

2.7 V

85 Cel

-40 Cel

TIN

DUAL

3.05 mm

8.56 mm

.032 MHz

18.1 mm

1

CMOS

1/100 SECOND

3 V

Timer or RTC

1.27 mm

R-PDSO-G28

3

Not Qualified

NO

e3

MC14536BDW

Onsemi

TIMER, PROGRAMMABLE

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

18 V

SMALL OUTLINE

3 V

125 Cel

-55 Cel

Tin/Lead (Sn85Pb15)

DUAL

2.65 mm

7.5 mm

2 MHz

30

235

10.3 mm

1

CMOS

5 V

1.27 mm

R-PDSO-G16

Not Qualified

e0

MCP7940N-E/SNVAO

Microchip Technology

TIMER, REAL TIME CLOCK

AUTOMOTIVE

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

8

AEC-Q100; TS 16949

SMALL OUTLINE

SOP8,.23

Y

1.8 V

125 Cel

-40 Cel

DUAL

1.75 mm

64

3.9 mm

0

.032 MHz

4.9 mm

1

CMOS

.4 mA

SECONDS

2.5 V

1.27 mm

R-PDSO-G8

YES

PCF8593TD-T

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

DUAL

1.75 mm

3.9 mm

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

4.9 mm

0

CMOS

1/100 SECOND

3 V

Timer or RTC

1.27 mm

R-PDSO-G8

Not Qualified

YES

PT7C4563BQ1WEX

Diodes Incorporated

TIMER, REAL TIME CLOCK

AUTOMOTIVE

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

AEC-Q100

SMALL OUTLINE

SOP8,.25

Y

1.3 V

125 Cel

-40 Cel

DUAL

1.75 mm

3.9 mm

0

.032768 MHz

4.9 mm

1

CMOS

.035 mA

SECONDS

3 V

1.27 mm

R-PDSO-G8

NO

RTC-4543SAB

Epson Toyocom

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 2-WIRE/I2C

5.5 V

SMALL OUTLINE

2.5 V

85 Cel

-40 Cel

DUAL

3.3 mm

5 mm

NOT SPECIFIED

NOT SPECIFIED

10.1 mm

CMOS

3 V

1.27 mm

R-PDSO-G14

Not Qualified

RTC-4543SA:B

Seiko Epson

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

SERIAL, 3-WIRE

5.5 V

3/5

SMALL OUTLINE

SOP14,.3

N

2.5 V

85 Cel

-40 Cel

DUAL

3.3 mm

5 mm

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

10.1 mm

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G14

Not Qualified

YES

RTC-64613

Seiko Epson

TIMER, REAL TIME CLOCK

COMMERCIAL EXTENDED

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP24,.5

Y

4.5 V

75 Cel

-20 Cel

TIN LEAD

DUAL

2.8 mm

7.9 mm

8

.032 MHz

0

MOS

2 mA

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

e0

BQ4285ESNTR

Texas Instruments

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

5.5 V

SMALL OUTLINE

4.5 V

85 Cel

-40 Cel

DUAL

8

.032 MHz

1

CMOS

5 V

R-PDSO-G24

Not Qualified

BQ4285LSNTR

Texas Instruments

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.6 V

SMALL OUTLINE

2.7 V

85 Cel

-40 Cel

DUAL

8

.032 MHz

1

CMOS

3.15 V

R-PDSO-G24

Not Qualified

BQ4285ES

Texas Instruments

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

DUAL

2.67 mm

7.56 mm

8

.032 MHz

15.43 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

BQ4285ESTR

Texas Instruments

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

7.56 mm

8

.032 MHz

15.43 mm

1

CMOS

5 V

1.27 mm

R-PDSO-G24

Not Qualified

BQ4285S-SB2TR

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4285LSTR

Texas Instruments

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.6 V

SMALL OUTLINE

2.7 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

8

.032 MHz

15.4 mm

1

CMOS

3.15 V

1.27 mm

R-PDSO-G24

Not Qualified

BQ4285LSN

Texas Instruments

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.6 V

3.15

SMALL OUTLINE

SOP24,.4

Y

2.7 V

85 Cel

-40 Cel

DUAL

8

.032 MHz

1

CMOS

SECONDS

3.15 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

BQ4285ESN

Texas Instruments

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

DUAL

8

.032 MHz

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

BQ4285S

Texas Instruments

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

DUAL

2.667 mm

7.56 mm

8

.032 MHz

15.43 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

NO

BQ4285S-SB2G4

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4285S-SB2

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4285S-SB2TRG4

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4285LS

Texas Instruments

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, MUXED BUS

3.6 V

3.15

SMALL OUTLINE

SOP24,.4

Y

2.7 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

8

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

15.4 mm

1

CMOS

SECONDS

3.15 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

BQ4845YS-A4NTRG4

Texas Instruments

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP28,.4

Y

4.5 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

2.667 mm

7.5565 mm

8

.032 MHz

30

260

17.9705 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G28

1

Not Qualified

NO

e4

BQ3285ESTRG4

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ3285ESTR

Texas Instruments

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

NICKEL PALLADIUM GOLD

DUAL

2.65 mm

7.5 mm

8

.032 MHz

30

260

15.4 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

1

Not Qualified

NO

e4

BQ4802YDSHR

Texas Instruments

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

5

SMALL OUTLINE

SOP28,.5

Y

4.5 V

70 Cel

0 Cel

DUAL

3.05 mm

8.56 mm

8

.032 MHz

18.095 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G28

Not Qualified

NO

BQ4802LYDSH

Texas Instruments

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

3.6 V

3.3

SMALL OUTLINE

SOP28,.5

Y

2.7 V

70 Cel

0 Cel

DUAL

3.05 mm

8.56 mm

8

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

18.095 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G28

Not Qualified

NO

BQ4845S-A4TRG4

Texas Instruments

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

4.75 V

70 Cel

0 Cel

DUAL

2.667 mm

7.5565 mm

8

.032 MHz

NOT SPECIFIED

NOT SPECIFIED

17.9705 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G28

Not Qualified

NO

BQ3285S

Texas Instruments

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

DUAL

2.667 mm

7.56 mm

8

.032 MHz

15.43 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G24

Not Qualified

YES

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.