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M41T256YMH7TR中文资料PDF规格书
M41T256YMH7TR规格书详情
SUMMARY DESCRIPTION
The M41T256Y Serial TIMEKEEPER® SRAM is a low power 256 Kbit static CMOS SRAM organized as 32K words by 8 bits. A built-in 32.768kHz oscillator (external crystal controlled) and 8 bytes of the SRAM (see Table 3., page 14) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.
FEATURES SUMMARY
■ 5V OPERATING VOLTAGE
■ SERIAL INTERFACE SUPPORTS EXTENDED I2C BUS ADDRESSING (400kHz)
■ AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY
■ POWER-FAIL DESELECT VOLTAGES:
– M41T256Y: VCC = 4.5 to 5.5V;
VPFD = 4.2 < VPFD < 4.5V
■ COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, and YEAR
■ PROGRAMMABLE SOFTWARE CLOCK CALIBRATION
■ 32,752 BYTES OF GENERAL PURPOSE RAM
■ MICROPROCESSOR POWER-ON RESET
■ HOLDS MICROPROCESSOR IN RESET UNTIL SUPPLY VOLTAGE REACHES STABLE OPERATING LEVEL
■ AUTOMATIC ADDRESS-INCREMENTING
■ TAMPER INDICATION CIRCUIT WITH TIMESTAMP
■ SLEEP MODE FUNCTION
■ PACKAGING INCLUDES A 44-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately)
■ SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT® TOP WHICH CONTAINS THE BATTERY AND CRYSTAL
产品属性
- 型号:
M41T256YMH7TR
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
256 Kbit 32K x8 SERIAL RTC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
STM |
2.7 |
08+ |
5684 |
Malaysia |
询价 | ||
ST/意法 |
23+ |
NA/ |
830 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
ST/意法 |
2020+ |
NA |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
ST/意法 |
21+ |
65200 |
询价 | ||||
ST/意法 |
23+ |
SO-44 |
90000 |
只做原厂渠道价格优势可提供技术支持 |
询价 | ||
ST |
SOH |
699839 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
STM |
2018+ |
26976 |
代理原装现货/特价热卖! |
询价 | |||
ST/意法 |
21+ |
NA |
12820 |
只做原装,质量保证 |
询价 | ||
STM |
23+ |
SO-44 |
589610 |
新到现货 原厂一手货源 价格秒杀代理! |
询价 | ||
ST/意法 |
SOP44 |
265209 |
假一罚十原包原标签常备现货! |
询价 |