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See Technical Specifications

DS1284Q +BOM

Real Time Clock

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Tel: +852 95804164

Real Time Clock (RTC) IC Clock/Calendar 50B Parallel 28-LCC (J-Lead)

Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years; Valid Leap Year Compensation Up to 2100
Watchdog Timer Restarts an Out-of-Control Processor
Alarm Function Schedules Real-Time-Related Activities
Embedded Lithium Energy Cell Maintains Time, Watchdog, User RAM, and Alarm Information
Programmable Interrupts and Square-Wave Outputs Maintain JEDEC Footprint
All Registers are Individually Addressable via the Address and Data Bus
Accuracy is Better than ±1 Minute/Month at +25°C (EDIP)
Greater than 10 Years of Timekeeping in the Absence of VCC
50 Bytes of User NV RAM
Underwriters Laboratory (UL) Recognized
-40°C to +85°C Industrial Temperature Range Option

Pbfree Code	No	Part Life Cycle Code	Obsolete
Pin Count	28	Reach Compliance Code	not_compliant
ECCN Code	EAR99	HTS Code	8542.32.00.41
Additional Feature	ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P	Clock Frequency-Max	0.032 MHz
External Data Bus Width	8	Information Access Method	PARALLEL, DIRECT ADDRESS
Interrupt Capability	Y	JESD-30 Code	S-PQCC-J28
JESD-609 Code	e0	Length	11.505 mm
Moisture Sensitivity Level	1	Number of Terminals	28
Number of Timers	1	Operating Temperature-Max	70 °C
Operating Temperature-Min		Peak Reflow Temperature (Cel)	240
Power Supplies	5 V	Qualification Status	Not Qualified
Seated Height-Max	4.57 mm	Supply Voltage-Max	5.5 V
Supply Voltage-Min	4.5 V	Supply Voltage-Nom	5 V
Surface Mount	YES	Technology	CMOS
Temperature Grade	COMMERCIAL	Terminal Finish	TIN LEAD
Terminal Form	J BEND	Terminal Pitch	1.27 mm
Terminal Position	QUAD	Time-Min	1/100 SECOND
Time@Peak Reflow Temperature-Max (s)	20	Volatile	YES
Width	11.505 mm	uPs/uCs/Peripheral ICs Type	TIMER, REAL TIME CLOCK