Real Time Clocks

Clock Generators

Counter/Time Base IC

Timing Circuits - Real Time Clocks - High Precision RTC Module with Embedded Crystal and Temperature Compensation

型号

VCC (V)

VBAT (V)

IBAT (nA)

Accuracy (ppm)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

VTRIP for POR

IRQ_bar

FOUT

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12020M

2.7 to 5.5

1.8 to 5.5

1000

±5

1

Y

15

N

N

Y

Y

6 Select VTRIP Levels

IRQ_bar/FOUT

IRQ_bar/FOUT

N

-336 to +337

128 Bytes

2.79

ISL12022M

2.7 to 5.5

1.8 to 5.5

1000

±5

1

Y

15

N

N

Y

Y

6 Select VTRIP Levels

IRQ_bar/FOUT

IRQ_bar/FOUT

N

-336 to +337

128 Bytes

2.59

Timing Circuits - Real Time Clocks - High Precision RTC with On-Chip Temperature Sensor

型号

VCC (V)

VBAT (V)

IBAT (nA)

Accuracy (ppm)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

VTRIP for POR

IRQ_bar

FOUT

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12022

2.7 to 5.5

1.8 to 5.5

1000

±5

1

Y

15

N

N

Y

Y

6 Select VTRIP Levels

IRQ_bar/FOUT

IRQ_bar/FOUT

N

-336 to +337

128 Bytes

1.79

ISL12023

2.7 to 5.5

1.8 to 5.5

1000

±5

1

Y

15

N

N

Y

Y

6 Select VTRIP Levels

IRQ_bar

FOUT

N

-336 to +337

128 Bytes

1.93

Timing Circuits - Real Time Clocks - RTC with Embedded Unique ID

型号

VCC (V)

VBAT (V)

IBAT (nA)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

VTRIP for POR

IRQ_bar

FOUT

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12024

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

N

N

Y

Y

IRQ_bar/FOUT

IRQ_bar/FOUT

N

-336 to +337

512x8-Bit EEPROM

1.73

ISL12024IRTCZ

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

N

N

Y

Y

IRQ_bar/FOUT

IRQ_bar/FOUT

N

-64 to +110

512x8-Bit EEPROM

1.83

ISL12025

2.7 to 5.5

1.8 to 5.5

850

2

Y

Y

Y

Y

Y

5 Select VTRIP Levels

Y

-336 to +337

512x8-Bit EEPROM

1.91

Timing Circuits - Real Time Clocks - RTC with Integrated EEPROM and CPU Supervisory Functions

型号

VCC (V)

VBAT (V)

IBAT (nA)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

VTRIP for POR

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12026

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

N

N

Y

Y

N

-64 to +110

512x8-Bit EEPROM

1.4

ISL12026A

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

N

N

Y

Y

N

-64 to +110

512x8-Bit EEPROM

1.33

ISL12027

2.7 to 5.5

1.8 to 5.5

850

2

Y

Y

Y

Y

Y

5 Select VTRIP Levels from 2.63V to 4.64V

Y

-64 to +110

512x8-Bit EEPROM

1.65

ISL12028

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

Y

Y

Y

Y

5 Select VTRIP Levels from 2.63V to 4.64V

Y

-64 to +110

512x8-Bit EEPROM

1.8

ISL12029

2.7 to 5.5

1.8 to 5.5

850

2

Y

3

Y

Y

Y

Y

5 Select VTRIP Levels from 2.63V to 4.64V

Y

-64 to +110

512x8-Bit EEPROM

1.8

Timing Circuits - Real Time Clocks - Feature-Rich RTC with 50/60 Cycle AC Input

型号

VCC (V)

VBAT (V)

IBAT (nA)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

IRQ_bar

FOUT

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12030

2.7 to 5.5

2

N

N

N

Y

IRQ_bar

N

128 Bytes

1.82

ISL12032

2.7 to 5.5

1.8 to 5.5

800

2

Y

7

N

N

Y

Y

IRQ_bar

FOUT

N

-60 to +60

128 Bytes

2.06

Timing Circuits - Real Time Clocks - Low Power RTC with Battery Backup

型号

VCC (V)

VBAT (V)

IBAT (nA)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

RESET_bar

Oscillator Compensation (ppm)

1K Units MSRP ($)

ISL12008

2.7 to 5.5

1.8 to 5.5

800

1

Y

1

N

N

Y

Y

N

-94 to +140

1.06

Timing Circuits - Real Time Clocks - Low Power RTC with Battery Backed SRAM

型号

VCC (V)

VBAT (V)

IBAT (nA)

Accuracy (ppm)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

RESET_bar

Oscillator Compensation (ppm)

SRAM

Other Functions

1K Units MSRP ($)

ISL1208

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

2 Bytes

0.96

ISL1218

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

8 Bytes

1.27

ISL1220

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

8 Bytes

1.14

Timing Circuits - Real Time Clocks - Low Power RTC with Battery Backed SRAM and Event Detection

型号

VCC (V)

VBAT (V)

IBAT (nA)

Accuracy (ppm)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

VTRIP for POR

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL1209

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

2 Bytes

1.29

ISL1219

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

2 Bytes

1.32

ISL1221

2.7 to 5.5

1.8 to 5.5

400

1

Y

15

N

N

Y

Y

N

-94 to +140

2 Bytes

1.4

Timing Circuits - Real Time Clocks - Low Power RTC with IRQs, Alarm and Timer

型号

VCC (V)

VBAT (V)

IBAT (nA)

Alarms

Crystal Frequency Trimming

Selectable Frequency Output

CPU Supervisory Function POR

CPU Supervisory Function Watchdog Timer

Battery Seal

Battery Backup

RESET_bar

Oscillator Compensation (ppm)

SRAM

1K Units MSRP ($)

ISL12082

2.7 to 5.5

1.8 to 5.5

800

1

Y

4

N

N

Y

Y

N

-94 to +140

N

1.15

Timing Circuits - Real Time Clocks - Low Power, Low Cost RTC, No Battery Backup

型号	VCC (V)	IS (nA)	Alarms	Selectable Frequency Output	IRQ_bar	FOUT	POR	Other Functions	1K Units MSRP ($)
ISL12057	1.4 to 3.6	400	2	4	IRQ1/fOUT, IRQ2	IRQ1/fOUT	Y	Dual Alarms, Dual IRQs	0.92
ISL12058	1.4 to 3.6	400	2	4	IRQ1/fOUT	IRQ1/fOUT	Y	Dual Alarms	0.92
ISL12059	1.4 to 3.6	400	0	1	N/A	512Hz	Y	Digital Out	0.92

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