DS1251WP-120+

$40.99

Description：IC RTC PHANTOM CHIP PAR 34PCM
Series：-

SKU:5a09714d665d Category: Real Time Clocks Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC RTC PHANTOM CHIP PAR 34PCM
Series：-
Package：Tube
Mfr：Analog Devices Inc./Maxim Integrated
Type：Phantom Time Chip
Features：Leap Year, NVSRAM
Memory Size：512KB
Time Format：HH:MM:SS:hh (12/24 hr)
Date Format：YY-MM-DD-dd
Interface：Parallel
Voltage - Supply：2.97V ~ 3.63V
Voltage - Supply, Battery：3V
Current - Timekeeping (Max)：7mA @ 3.3V
Operating Temperature：0°C ~ 70°C
Mounting Type：Surface Mount
Grade：-
Qualification：-
Package / Case：34-PowerCap™ Module
Supplier Device Package：34-PowerCap Module

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DS1251WP-120+

Overview

The DS1251WP-120+ is a 4096K nonvolatile SRAM integrated with a phantom clock real-time calendar and clock, manufactured by Analog Devices Inc./Maxim Integrated. It features a 34-pin PowerCap module package designed for surface mount applications. The device operates within a supply voltage range of 2.97V to 3.63V and supports an operating temperature range of 0°C to +70°C. It provides 512KB of NVSRAM storage and maintains timekeeping data via an embedded lithium energy cell. The component utilizes a parallel interface and includes automatic leap year compensation valid up to the year 2100.

Feature Summary

Integrated 512K x 8 NV SRAM with phantom clock functionality
Automatic leap year compensation valid through 2100
Embedded lithium battery ensures over 10 years of data retention
Surface mountable 34-PowerCap™ Module package

Applications

Industrial systems requiring persistent timekeeping and data storage
Commercial equipment needing nonvolatile memory backup
Systems utilizing replaceable battery modules for extended service life

Procurement Notes

Verify that the separate DS9034PCX+ or DS9034I-PCX+ PowerCap containing the battery and crystal is ordered concurrently, as it is required for operation but shipped separately. Confirm the specific suffix indicates the commercial temperature grade (0°C to +70°C) rather than the industrial variant. Ensure the design accommodates the surface mount process before attaching the PowerCap module to prevent thermal damage to the battery during reflow soldering.

Selection Notes

Select this part when a surface mount solution is preferred over the DIP module format. The WP suffix denotes the PowerCap board only; the external PowerCap must be sourced separately. Compare access times and pin compatibility against the DS124xP series if upward compatibility with lower density devices is required for the application design.

Part Context

This component belongs to the DS1251 family of 4096K NV SRAMs with phantom clocks. The DS1251WP-120+ specifically refers to the 3.3V version in the 34-pin PowerCap module package. It is distinct from the EDIP DIP versions and the 5V variants within the same product line.

Replacement Considerations

The datasheet notes upward compatibility with the DS124xP Phantom Clocks. Verify pin-for-pin compatibility and memory density requirements when considering these alternatives.

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.