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1338-31DCGI8

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— IC芯片 | 连接器 | 传感器 | 被动器件 —

1338-31DCGI8

1338-31DCGI8

$3.12
  • Description：IC RTC CLK/CALENDAR I2C 8SOIC
  • Series：-

SKU:40087fc312dc Category: Brand:

　　
  • Quantity
    • -
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    • 　　　
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Product Detailed Parameters

  • Description：IC RTC CLK/CALENDAR I2C 8SOIC
  • Series：-
  • Package：Tape & Reel (TR),Cut Tape (CT)
  • Mfr：Renesas Electronics Corporation
  • Type：Clock/Calendar
  • Features：Leap Year, NVSRAM, Square Wave Output
  • Memory Size：56B
  • Time Format：HH:MM:SS (12/24 hr)
  • Date Format：YY-MM-DD-dd
  • Interface：I2C, 2-Wire Serial
  • Voltage - Supply：3.3V ~ 5.5V
  • Voltage - Supply, Battery：1.3V ~ 3.7V
  • Current - Timekeeping (Max)：5µA @ 3.63V ~ 5.5V
  • Operating Temperature：-40°C ~ 85°C
  • Mounting Type：Surface Mount
  • Package / Case：8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package：8-SOIC

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1338-31DCGI8

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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Buying Guide
Summary

Renesas Electronics Corporation 1338-31DCGI8 is sourced in Real Time Clocks category when teams want clear constraints and a repeatable validation path. Key specs include Description (IC RTC CLK/CALENDAR I2C 8SOIC), Type (Clock/Calendar), Packaging (Tape & Reel (TR), Cut Tape (CT)), Supply (3.3V ~ 5.5V), and Temperature (-40°C ~ 85°C).

Selection Notes
  • For 1338-31DCGI8, verify the operating temperature range (-40°C ~ 85°C) and derate as needed in your application.
  • Verify Current - Timekeeping (Max) (5µA @ 3.63V ~ 5.5V) matches your requirements and the datasheet test conditions.
  • Double-check the mounting type (Surface Mount) for your intended installation method.
  • Check the required supply voltage (3.3V ~ 5.5V) and allow margin for tolerance and transients.
Alternates & Substitutions
  • For Real Time Clocks, compare the datasheet test conditions behind key specs and re-check the margins that were tightest during bring-up.
  • Verify the alternate stays within supply 3.3V ~ 5.5V, temperature -40°C ~ 85°C across startup, load steps, and worst-case temperature.
  • If you are qualifying a second source, align documentation/traceability requirements early to avoid surprises in procurement.
  • If you need a second source, provide (package 8-SOIC (0.154", 3.90mm Width), supply 3.3V ~ 5.5V, interface I2C, 2-Wire Serial) and we will suggest options to evaluate under a clear test plan.
FAQ

What should I verify before using 1338-31DCGI8 in production?
Confirm footprint/pinout, min/max ratings, operating temperature, and the datasheet test conditions behind key specifications.

What Voltage - Supply, Battery does 1338-31DCGI8 have?
1.3V ~ 3.7V

Can you confirm the mounting type for 1338-31DCGI8?
Surface Mount

What Features is listed for 1338-31DCGI8?
Leap Year, NVSRAM, Square Wave Output

Application Scenarios

Renesas Electronics Corporation 1338-31DCGI8 is a common choice in Real Time Clocks applications where the goal is to keep validation repeatable and avoid edge-case surprises during bring-up. Key considerations are jitter, phase noise, aging, startup behavior, and how a clock tree is distributed across dense PCBs. They help close timing for processors, data converters, and high-speed links by providing stable references across voltage and temperature. In automotive infotainment and camera links, stable clocking is validated across vibration and thermal cycling. In automotive infotainment and camera links, they support high-speed interfaces that must tolerate thermal cycling and vibration without frame errors. Across measurement equipment, clean clocks reduce converter spurs and improve repeatability in benchtop instruments used for calibration workflows. This keeps the design closer to the datasheet boundaries and farther from fragile, layout-dependent behavior.

Compatibility Advice
  • In board-level integration, ensure test access exists to measure frequency error and spurs during bring-up and field diagnostics. This reduces the chance that substitutions push hidden limits.
Project Fit
  • Works best when you can bench-verify Renesas Electronics Corporation 1338-31DCGI8 for Real Time Clocks integration under realistic load and noise, when you can validate startup and sequencing behavior as part of system bring-up.
  • Riskier when integrating Renesas Electronics Corporation 1338-31DCGI8 for Real Time Clocks, there is no practical way to validate jitter on the assembled board, because the key behaviors cannot be confirmed on the assembled system.
1338-31DCGI81338-31DCGI8
$3.12
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