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Product Detailed Parameters
- Description：IC RTC CLK/CALENDAR SPI 20SOIC
- Series：-
- Package：Tape & Reel (TR)
- Mfr：Renesas Electronics Corporation
- Type：Clock/Calendar
- Features：Alarm, Leap Year, Square Wave Output, Watchdog Timer
- Memory Size：32B
- Time Format：HH:MM:SS (12/24 hr)
- Date Format：YY-MM-DD-dd
- Interface：SPI
- Voltage - Supply：3V ~ 6V
- Voltage - Supply, Battery：2.2V ~ 6V
- Current - Timekeeping (Max)：20µA ~ 500µA @ 5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
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Overview
The CDP68HC68T1MZ96 is a Real-Time Clock (RTC) integrated circuit manufactured by Renesas Electronics Corporation. It provides clock and calendar functions with a 32-byte storage capacity, accessible via an SPI interface. The device operates within a supply voltage range of 3V to 6V and supports a battery backup voltage of 2.2V to 6V. Current consumption varies between 20µA and 500µA at 5V. It features a 20-SOIC package with a width of 7.50mm and is rated for operation in temperatures from -40°C to 85°C.
Feature Summary
- Integrated SPI interface for digital communication
- Includes alarm, leap year, square wave output, and watchdog timer features
- Supports HH:MM:SS time format and YY-MM-DD-dd date format
Applications
- Systems requiring precise timekeeping with non-volatile memory capabilities
- Industrial control units operating in extended temperature environments
- Embedded devices utilizing serial peripheral interface protocols
Procurement Notes
This component is officially listed as obsolete or end-of-life by the manufacturer, with a notification dated June 25, 2021. Verification of current availability requires checking authorized distributors for remaining stock or alternative sourcing channels. Compliance with RoHS3 standards is confirmed.
Selection Notes
Designers should verify compatibility with the 20-SOIC footprint and ensure the system supports SPI communication. The operating voltage range must align with the 3V to 6V specification. Due to the obsolescence status, long-term supply continuity cannot be guaranteed without specific procurement arrangements.
Part Context
This part belongs to the CDP68HC68 family of real-time clock ICs. It is distinct from microprocessor circuits like the CDP68HC68P1E1, serving specifically as a dedicated timing and calendar module rather than a general-purpose processor.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult Renesas Electronics for recommended alternatives or contact authorized distributors for cross-reference data.
