FAQ Frequently Asked Questions

How to calculate Min and Max of Watchdog trigger time

The following is an example of Watchdog trigger time Min, Typ, and Max by CDLY capacity. Refer to "2...

View More

How to calculate Min and Max of Release delay time

The following is an example of release delay time Min, Typ, and Max by CDLY capacity. Refer to "2. R...

View More

How to calculate Min and Max of Watchdog trigger time

The following is an example of Watchdog trigger time Min, Typ, and Max by CDLY capacity. Refer to "2...

View More

How to calculate Min and Max of Release delay time

The following is an example of release delay time Min, Typ, and Max by CDLY capacity. Refer to "2. R...

View More

How to calculate Min and Max of Watchdog output "L" time

The following is an example of Watchdog output "L" time Min, Typ, and Max by CDLY capacity. Refer to...

View More

How to calculate Min and Max of Watchdog trigger time

The following is an example of Watchdog trigger time Min, Typ, and Max by CDLY capacity. Refer to "2...

View More

How to calculate Min and Max of Release delay time

The following is an example of release delay time Min, Typ, and Max by CDLY capacity. Refer to "2. ...

View More

How to calculate Min and Max of Watchdog output "L" time

The following is an example of Watchdog output "L" time Min, Typ, and Max by CDLY capacity. Refer to...

View More

How to calculate Min and Max of Watchdog double-pulse detection time

The following is an example of Watchdog double-pulse detection time Min, Typ, and Max by CDLY capaci...

View More

How to calculate Min and Max of Watchdog output "L" time

The following is an example of Watchdog output "L" time Min, Typ, and Max by CDLY capacity. Refer t...

View More

What is Automotive Convenience Timer?

ABLIC’s convenience timer is a CMOS timer IC with ultra-low power consumption, which is suitable for...

View More

What is Wake-up Timer IC?

A wake-up timer IC is an IC that enables intermittent system operation by periodically waking up the...

View More

Is there a function test that forces the temperature detection state regardless of the ambient temperature?

Yes. In the S-5844, setting the TEST pin to VDD level forces the temperature detection state regardl...

View More

Is there a function test that forces the temperature detection state regardless of the ambient temperature?

Yes. In the S-5841, setting the RT pin to VDD level forces the temperature detection state regardles...

View More

Are there any points to note about power dissipation and thermal resistance?

Since self-heating is extremely low, there are no problems with power dissipation and thermal resist...

View More

Is it possible to evaluate the matching between quartz crystal and ICs at ABLIC?

Please contact each quartz crystal maker for matching evaluation.

View More

What is the recommended CL value for quartz crystal?

We have lineup below. S-35710C01x-K8T2U with a CL = 6 pF. S-35710B01x-K8T2U with a CL = 9 pF.

View More

How range is IC-to-IC frequency deviation?

IC-to-IC frequency deviation is ±1%. This IC contains a quartz crystal. The frequency deviation of a...

View More

Do you have products with built-in Quartz Crystal?

We have a lineup of S-35710M with built-in quartz crystal. Please refer to S-35710M for details.

View More

What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

View More

Are there any points to note when raising the power supply voltage?

If the rise time and voltage are specified in the datasheet, power on this ICs according to the rise...

View More

Is it possible to set the time and real-time data?

The time and real-time data cannot be set. You can only set the elapsed time/relative time, such as ...

View More

What is the difference between Wake-up Timer IC and Automotive Convenience Timer?

It is an IC with the same function, just with a different name depending on the application. It is a...

View More

What is Automotive Convenience Timer?

ABLIC’s convenience timer is a CMOS timer IC with ultra-low power consumption, which is suitable for...

View More

What is Wake-up Timer IC?

A wake-up timer IC is an IC that enables intermittent system operation by periodically waking up the...

View More

Is it possible to connect an oscillator instead of a quartz crystal to XIN/XOUT?

Since we do not assume the use of connecting an oscillator to XIN/XOUT, please do not use it in such...

View More

How wide is IC-to-IC frequency deviation?

IC-to-IC frequency deviation is ±1%. This IC contains a quartz crystal. The frequency deviation of a...

View More

Is there any product built-in Quartz Crystal?

We have a lineup of S-35710M with built-in quartz crystal. Please refer to S-35710M for details.

View More

What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

View More

Are there any points to note when raising the power supply voltage?

If the rise time and voltage are specified in the datasheet, power on this ICs according to the rise...

View More

Is it possible to set the time and real-time data?

The time and real-time data cannot be set. You can only set the elapsed time/relative time, such as ...

View More

What is the difference between Wake-up Timer IC and Automotive Convenience Timer?

It is an IC with the same function, just with a different name depending on the application. It is a...

View More

Does this IC count clocks during I2C communication?

This IC does not count clocks during I2C communication. For details, refer to " External Clock Signa...

View More

What is the specification of the "Lo" hold time of the RST pin when resetting the counter?

This counter reset is performed on the falling edge of RST pin. Therefore, there is no time designat...

View More

What should I do when I want to reset the counter value?

The counter value can be reset by setting the RST pin to Lo.

View More

What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

View More

Are there any points to note when raising the power supply voltage?

If the rise time and voltage are specified in the datasheet, power on this ICs according to the rise...

View More

Is it possible to connect an oscillator instead of a quartz crystal to XIN/XOUT?

Since we do not assume the use of connecting an oscillator to XIN/XOUT, please do not use it in such...

View More

Are there any points to note about power dissipation and thermal resistance?

Since self-heating is extremely low, there are no problems with power dissipation and thermal resist...

View More

Is it possible to evaluate the matching between quartz crystal and ICs at ABLIC?

Please contact each quartz crystal maker for matching evaluation.

View More

What is the recommended CL value for quartz crystal?

We have lineup below. S-35710C01x-K8T2U with a CL = 6 pF. S-35710B01x-K8T2U with a CL = 9 pF.

View More

What is Function of Clock Correction?

The function of clock correction is to correct advance / delay of the clock due to the deviation of ...

View More

What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

View More

Are there any points to note when raising the power supply voltage?

ABLIC's RTCs initializes at the same time when the power supply voltage is raised. If the rise time...

View More

How to calculate monthly rate for frequency?

If the error range is ±10 ppm, it can be calculated below. ±10x10-6x60secx60minx24hourx30day = ±25.9...

View More

Where should the Loop pin be connected when the LOOP pin is not used?

Since it is a CMOS output pin, leaving it no connect (open) is OK if LOOP is not used.

View More

Is it possible to output 32kHz?

It's possible. Please set 32kHz output by register setting. Alternatively, we also have the S-35192...

View More

Since the device code is the same as other devices used, it cannot be operated on the same bus line. Is there any products with different device codes?

Yes. There is a product called S-35391 with a different device code from S-35390, so please consider...

View More

Is it possible to connect an oscillator instead of a quartz crystal to XIN/XOUT?

Since we do not assume the use of connecting an oscillator to XIN/XOUT, please do not use it in such...

View More

Are there any points to note about power dissipation and thermal resistance?

Since self-heating is extremely low, there are no problems with power dissipation and thermal resist...

View More

Is it possible to evaluate the matching between quartz crystal and ICs at ABLIC?

Please contact each quartz crystal maker for matching evaluation.

View More

What is the recommended Cg value?

Cg is recommended from none to 9.1pF. The crystal oscillation circuit operates even when Cg is not c...

View More

What is the recommended CL value for quartz crystal?

When using the quartz crystal with a CL exceeding the rated value (7 pF) (e.g: CL = 12.5 pF), oscill...

View More

Is there any RTCs built-in Quartz Crystal?

There is no RTC with built-in quartz crystal. Although it is not RTCs, we have a wake-up timer IC wi...

View More

Is there a backup battery connect pin?

There is no backup battery connect pin. Even without this pin, by inserting a diode between the main...

View More

What should I do if I can't fulfill the power on conditions described in the datasheet?

The interface of this IC is reset normally and the master device can make normal communication if ph...

View More

Are there any points to note when raising the power supply voltage?

ABLIC's EEPROMs initializes at the same time when the power supply voltage is raised. If the rise t...

View More

Where should the NC pin be connected?

The NC pin is not connected to anything and can be connected to either OPEN, VCC, or GND.

View More

Where should the TEST pin be connected?

It is recommended to connect to GND or VCC pin.

View More

What is SPI BUS interface?

The protocol is SPI BUS. Former standard. This interface is widely used. Chip select input (CS), S...

View More

What is 2wire(I2C) interface?

The protocol is I2C bus. Former Philips standard. This interface is widely used. Connect the Serial...

View More

Is it possible to set the alarm interrupt including the years,months and days?

It can be set with a product called S-35399.

View More

How can I easily read and write data in EEPROMs?

General-purpose ROM writers that can read and write EEPROM are available on the market, so please pu...

View More

Is it affected by magnetism?

Since EEPROM does not record data using magnetism, it is basically unaffected by magnetism.

View More

Is it designed for radiation resistance?

No designed for radiation resistance.

View More

Are there any points to note about power dissipation and thermal resistance?

Since self-heating is extremely low, there are no problems with power dissipation and thermal resist...

View More

What is the initial shipping data?

Initial shipping data of all addresses is "FFh".

View More

What is "Function to Protect Against Write due to Erroneous Instruction Recognition"?

ABLIC EEPROMs (except S-24 serise) provides a built-in clock pulse monitoring circuit which is used ...

View More

What is "Function to Protect Against Write due to Erroneous Instruction Recognition"?

ABLIC EEPROMs (except S-24 serise) provides a built-in clock pulse monitoring circuit which is used ...

View More

What is "Write protect function during the low power supply voltage"?

ABLIC EEPROMs have a built-in detection circuit which operates with the low power supply voltage, ca...

View More

Do ABLIC have an EEPROMs that guarantees operation above 125°C?

Automotive

We have a lineup of the S-93S series that guarantees operation up to 150°C. For details, refer to th...

View More

Where can we find the description of the latch-up test conditions?

Please visit the "Quality Policy" page and locate the document titled "IC Quality Assurance System" ...

View More

Where can we obtain the latch-up test results?

Please visit the 'Reliability test result' page using the provided link and locate the PDF file for ...

View More

Where can we find the description of the ESD test conditions?

Please visit the "Quality Policy" page and locate the document titled "IC Quality Assurance System" ...

View More

Where can we obtain the ESD test results?

Please visit the 'Reliability test result' page using the provided link and locate the PDF file for ...

View More

Is there a recommended output capacitance (CL) for the S-19212 Series when using a ceramic capacitor? Also, what's the reason for this selection?

The S-19212 Series recommends an output capacitance of 1μF or more. We've confirmed that the device ...

View More

Do ABLIC semiconductor products contain Dechlorane Plus (DP) or UV-328?

ABLIC semiconductor products do not contain Dechlorane Plus or UV-328.

View More

What is the MSL (Moisture Sensitivity Level) for ABLIC's products?

The product MSL is MSL-1. (QFN/BGA packages excluded.)

View More

What is the difference between "U (Ux)" and "G" at the end of a part number?

U(Ux), S and G at the end of the product name of ABLIC Inc. were used to indicate different material...

View More

What is "INTpin output function" ?

The INT pin output function monitors the IC status and outputs a signal from the INT pin of the Nch ...

View More

For the S-19110 Series, what is the recommended order or time difference for applying voltage to the VDD and SENSE pins during power-on?

There are no operational issues as long as the SENSE pin voltage rises either at the same time as, o...

View More

What kind of problems occur in the S-19110 Series when large voltage dividing resistors are connected to the SENSE pin?

If the resistance values of the external voltage dividing resistors (Rup, Rdown) connected to the SE...

View More

For the S-19509 Series, in what frequency range should the ESR of the output capacitor (CL) be considered?

The frequency range that affects the stability of the IC is 1kHz to 10MHz. Please ensure that the ES...

View More

Does the S-19509 Series alone support functional safety (ASIL)?

The S-19509 Series is not ASIL-compliant on its own, as it is a product developed under QM (Quality ...

View More

When the EN (Enable) pin of the S-19509 Series is OFF, will voltage from the VOUT (Output) side flow back to the VIN (Input) side and damage the IC?

A reverse current from VOUT to VIN does occur through the parasitic diode inside the IC, but this wi...

View More