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DS1248Y-70+

实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), 字节宽, 4.5V至5.5V, EDIP-32

MAXIM INTEGRATED PRODUCTS DS1248Y-70+
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制造商产品编号:
DS1248Y-70+
库存编号
2515444
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产品概述

The DS1248Y-70+ is a 1024K NV SRAM with Phantom clock in 32 pin EDIP package. The 1024K NV SRAM with phantom clock is a fully static, non-volatile 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. The phantom clock provides timekeeping information for hundredths of seconds, minutes, hours, days, date, month and years.
  • Supply voltage range is 4.5V to 5.5V
  • Operating temperature range from 0°C to 70°C
  • 128K x 8 NV SRAM directly replaces volatile static RAM or EEPROM
  • Read cycle time and access time is 70ns
  • Embedded lithium energy cell maintains calendar operation and retains RAM data
  • Watch function is transparent to RAM operation
  • Automatic leap year compensation valid up to 2100
  • Over 10 years of data retention in the absence of power
  • Lithium energy source is disconnected to retain freshness until power is applied for the first time
  • UL recognized

应用

时钟与计时

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
星期;日;月;年

:
时:分:秒:hh

:
实时时钟RTC

:
4.5V

:
5.5V

:
EDIP

:
32引脚

:
Bytewide

:
0°C

:
70°C

:
-

:
-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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