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Low Cost and Low Power I<sup>2</sup>C Real Time Clock/Calendar with Alarm Function and Dual IRQ Pins, MSOP, /Tube
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
ISL12057IUZ by Renesas Electronics Corporation is a Timer or RTC.
Timers or RTCs are under the broader part category of Microcontrollers and Processors.
Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
15R9259
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Newark | Pb-Free, Real Time Clock With Alarm (Ds1337 Compatible)/Tube Rohs Compliant: Yes |Renesas ISL12057IUZ RoHS: Compliant Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Bulk | 0 |
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Buy Now | |
DISTI #
ISL12057IUZ-ND
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DigiKey | IC RTC CLK/CALENDAR I2C 8MSOP Min Qty: 1 Lead time: 18 Weeks Container: Tube |
3821 In Stock |
|
$1.4020 / $2.7300 | Buy Now |
DISTI #
ISL12057IUZ
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Avnet Americas | RTC IC, YY-MM-DD-DW, HH:MM:SS: 12Hr / 24Hr, I2C, 1.4 V to 3.6 V, 8 Pins, MSOP - Rail/Tube (Alt: ISL12057IUZ) RoHS: Compliant Min Qty: 2000 Package Multiple: 50 Lead time: 18 Weeks, 0 Days Container: Tube | 0 |
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$2.4800 | Buy Now |
DISTI #
968-ISL12057IUZ
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Mouser Electronics | Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP RoHS: Compliant | 6489 |
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$1.3000 / $2.2300 | Buy Now |
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Future Electronics | ISL12057 Series 1.8 - 3.6 V I2C Real Time Clock/Calendar/Alarm Function - MSOP-8 Min Qty: 50 Package Multiple: 50 |
2000 null |
|
$1.1900 / $1.2500 | Buy Now |
DISTI #
ISL12057IUZ
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TME | IC: RTC circuit, 2-wire,I2C, MSOP8, 1.8÷3.6V Min Qty: 1 | 0 |
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$1.6400 / $2.6300 | RFQ |
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Ameya Holding Limited | ISL12057 Series 1.8 - 3.6 V I2C Real Time Clock/Calendar/Alarm Function - MSOP-8 | 448 |
|
Buy Now RFQ | |
DISTI #
ISL12057IUZ
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IBS Electronics | LOW COST AND LOW POWER I2C REAL TIME CLOCK/CALENDAR WITH ALARM FUNCTION AND DUAL IRQ PINS Min Qty: 50 Package Multiple: 1 | 0 |
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$1.5990 / $1.6770 | Buy Now |
DISTI #
ISL12057IUZ
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Avnet Silica | RTC IC YYMMDDDW HHMMSS 12Hr 24Hr I2C 14 V to 36 V 8 Pins MSOP (Alt: ISL12057IUZ) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 20 Weeks, 0 Days | Silica - 250 |
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Buy Now | |
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New Advantage Corporation | ISL12057 Series 1.8 - 3.6 V I2C Real Time Clock/Calendar/Alarm Function - MSOP-8 RoHS: Compliant Min Qty: 1 Package Multiple: 50 | 1600 |
|
$1.9200 / $2.0800 | Buy Now |
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ISL12057IUZ
Renesas Electronics Corporation
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Datasheet
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ISL12057IUZ
Renesas Electronics Corporation
Low Cost and Low Power I<sup>2</sup>C Real Time Clock/Calendar with Alarm Function and Dual IRQ Pins, MSOP, /Tube
|
Pbfree Code | Yes | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | RENESAS ELECTRONICS CORP | |
Part Package Code | MSOP | |
Package Description | MSOP-8 | |
Pin Count | 8 | |
Manufacturer Package Code | M8.118 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Factory Lead Time | 18 Weeks | |
Samacsys Manufacturer | Renesas Electronics | |
Clock Frequency-Max | 0.032 MHz | |
External Data Bus Width | ||
Information Access Method | SERIAL(I2C) | |
Interrupt Capability | Y | |
JESD-30 Code | S-PDSO-G8 | |
JESD-609 Code | e3 | |
Length | 3 mm | |
Moisture Sensitivity Level | 1 | |
Number of Terminals | 8 | |
Number of Timers | ||
Operating Temperature-Max | 85 °C | |
Operating Temperature-Min | -40 °C | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | TSSOP | |
Package Equivalence Code | TSSOP8,.2 | |
Package Shape | SQUARE | |
Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | |
Peak Reflow Temperature (Cel) | 260 | |
Seated Height-Max | 1.1 mm | |
Supply Voltage-Max | 3.6 V | |
Supply Voltage-Min | 1.8 V | |
Supply Voltage-Nom | 3 V | |
Surface Mount | YES | |
Technology | CMOS | |
Terminal Finish | MATTE TIN | |
Terminal Form | GULL WING | |
Terminal Pitch | 0.65 mm | |
Terminal Position | DUAL | |
Time-Min | SECONDS | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Volatile | NO | |
Width | 3 mm | |
uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
A good PCB layout for the ISL12057IUZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the crystal oscillator. Additionally, it's recommended to use a low-ESR capacitor for the VDD pin and to minimize the length of the clock signal traces.
To ensure the accuracy of the clock output, it's essential to use a high-quality crystal oscillator with a low ESR and a high Q-factor. Additionally, the PCB layout should be designed to minimize noise and interference, and the device should be operated within its specified temperature range.
The maximum frequency deviation of the ISL12057IUZ is ±20 ppm. This deviation can affect the clock output by causing it to drift away from its nominal frequency, which can impact the performance of downstream devices. To minimize this effect, it's recommended to use a high-quality crystal oscillator and to adjust the load capacitance to optimize the frequency accuracy.
To troubleshoot issues with the ISL12057IUZ, start by verifying the power supply voltage and ensuring that it's within the specified range. Check the crystal oscillator for proper operation and verify that the load capacitance is correct. Use an oscilloscope to measure the clock output and verify its frequency and amplitude. If the issue persists, check the PCB layout for noise and interference, and ensure that the device is operated within its specified temperature range.
The recommended power-up sequence for the ISL12057IUZ is to apply the power supply voltage (VDD) before applying the crystal oscillator signal. This ensures that the device is properly initialized and that the clock output is stable.