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DS1343E-33+

报警实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒), SPI, 3V至5.5V, TSSOP-20

MAXIM INTEGRATED PRODUCTS DS1343E-33+
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制造商产品编号:
DS1343E-33+
库存编号
2515361
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产品概述

The DS1343E-33+ is a Low current SPI/3-wire RTC in 20 pin TSSOP package. This time keeping device provides an extremely low standby current permitting longer life from backup supply source. It also supports high ESR crystals, broadening pool of usable crystals for devices. The clock/calendar provides seconds, minutes, hours, day, date, month & year information. The date at end of month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either 24hr or 12hr format with an AM(complementary)/PM indicator. Address & data are transferred serially through an SPI or 3-wire interface. Two programmable time of day alarms are provided. Each alarm can generate an interrupt on combination of seconds, minutes, hours and day. Don't-care states can be inserted into one or more fields if it is desired for them to be ignored for the alarm condition.
  • Supply voltage range is 3V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Interrupt outputs operate when device is powered by either VCC or VBAT
  • Low timekeeping current of 250nA, power-fail & switch circuitry
  • Compatible with crystal ESR up to 100Kohm, trickle-charge capability
  • Versions available to support either 6pF crystals
  • Burst mode for reading/writing successive addresses in clock/RAM
  • 96byte battery-backed NV RAM for data storage
  • UL recognized
  • Support Motorola SPI modes 1 and 3 or standard 3-wire interface

应用

时钟与计时, 便携式器材, 医用

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

:
实时时钟闹钟

:
3V

:
5.5V

:
TSSOP

:
20引脚

:
SPI

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
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技术文档 (1)

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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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470 有货 需要更多?

470 UK 有库存,可在 4-5 个工作日内发货

CNY40.50 ( CNY45.77  含增值税)

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