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DS1248W-120

IC RTC PHANTOM PAR 32-DIP

Product Category: Real Time Clocks
Mfr. Part #
DS1248W-120
Manufacturer: Maxim Integrated
Package: 32-DIP Module (0.600", 15.24mm)
Lead Free Status /RoHS Status:
Data Sheet: DS1248W-120 Datasheet
Inventory: In Stock

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Mfr. Part #: DS1248W-120

Specifications
Product Details

Specifications

Manufacturer Maxim Integrated

Product Category Real Time Clocks

Series -

Type Phantom Time Chip

Packaging Tube

Package-Case 32-DIP Module (0.600", 15.24mm)

Operating-Temperature 0Â°C ~ 70Â°C

Mounting-Type Through Hole

Features NVSRAM

Interface Parallel

Voltage-Supply 2.97 V ~ 3.63 V

Supplier-Device-Package 32-EDIP

Memory Capacity 128KB

Time-Format HH:MM:SS:hh (12/24 hr)

Date-Format YY-MM-DD-dd

Voltage-Supply-Battery -

Current-Timekeeping-Max 7mA @ 3.3V

Product Details

DESCRIPTION

The DS1248 1024k NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 128k words by 8 bits) with a built-in real-time clock. The DS1248 has a self-contained lithium energy source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on and writes protection is unconditionally enabled to prevent garbled data in both the memory and real-time clock.

FEATURES

â— Real-time clock (RTC) keeps track of hundredths of seconds, minutes, hours, days, date of the month, months, and years
â— 128k x 8 NV SRAM directly replaces volatile static RAM or EEPROM
â— Embedded lithium energy cell maintains calendar operation and retains RAM data
â— Watch function is transparent to RAM operation
â— Month and year determine the number of days in each month; valid up to 2100
â— Full 10% operating range
â— Operating temperature range: 0C to +70C
â— Over 10 years of data retention in the absence of power
â— Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
â— DIP Module only
â— Standard 32-pin JEDEC pinout
â— PowerCapÂ® Module Board only
â— Surface mountable package for direct connection to PowerCap containing battery and crystal
â— Replaceable battery (PowerCap)
â— Pin for pin compatible with DS1244P and DS1251P

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Mfr. Part #: DS1248W-120