Renesas Electronics Timers & Real-Time Clocks 542

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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

X1227S8I-2.7

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE

SOP8,.25

Y

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.7272 mm

3.9116 mm

.032 MHz

4.9022 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e0

1338B-31DCGI

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

8

3.3

SMALL OUTLINE

SOP8,.25

N

2.45 V

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

1.75 mm

56

3.9 mm

0

.032768 MHz

30

260

4.9 mm

CMOS

.325 mA

SECONDS

3.3 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e3

ISL12029AIV27Z

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

0

.032 MHz

30

260

5 mm

1

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

R-PDSO-G14

1

Not Qualified

NO

e3

X1226S8

Renesas Electronics

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE

SOP8,.25

Y

2.7 V

70 Cel

0 Cel

TIN LEAD

DUAL

1.7272 mm

3.9116 mm

.032 MHz

4.9022 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G8

1

Not Qualified

NO

e0

ISL12058IUZ-T

Renesas Electronics

TIMER, REAL TIME CLOCK

MATTE TIN

30

260

1

e3

X1228V14IZ

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

.032 MHz

5 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G14

1

Not Qualified

YES

e3

IS82C54

Renesas Electronics

TIMER, PROGRAMMABLE

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

PARALLEL, DIRECT ADDRESS

5.5 V

16

CHIP CARRIER

4.5 V

85 Cel

-40 Cel

TIN LEAD

QUAD

4.57 mm

11.505 mm

8

8 MHz

220

11.505 mm

3

CMOS

5 V

1.27 mm

S-PQCC-J28

3

Not Qualified

e0

X1228V14Z-2.7

Renesas Electronics

TIMER, REAL TIME CLOCK

COMMERCIAL

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

Y

2.7 V

70 Cel

0 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

.032 MHz

5 mm

1

CMOS

SECONDS

5 V

Timer or RTC

.65 mm

R-PDSO-G14

1

Not Qualified

YES

e3

ISL12028AIV27Z-T

Renesas Electronics

TIMER, REAL TIME CLOCK

INDUSTRIAL

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

I2C

5.5 V

3/5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

Y

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

0

.032 MHz

30

260

5 mm

CMOS

SECONDS

3.3 V

Timer or RTC

.65 mm

R-PDSO-G14

1

Not Qualified

YES

e3

ISL12026IBZ-T13

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

0

30

260

4.9 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G8

1

e3

X1228S14IZ-2.7

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

1.7272 mm

3.9116 mm

.032 MHz

8.6614 mm

1

CMOS

SECONDS

5 V

Timer or RTC

1.27 mm

R-PDSO-G14

3

Not Qualified

YES

e3

ISL12028IBZ-T13

Renesas Electronics

TIMER, REAL TIME CLOCK

ISL1221IUZ-T13

Renesas Electronics

TIMER, REAL TIME CLOCK

ISL1221IUZ-T7

Renesas Electronics

TIMER, REAL TIME CLOCK

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.