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參數資料
| 型號： | M41ST84 |
| 廠商： | 意法半導體 |
| 英文描述： | 5.0 OR 3.0V, 512 bit (64 x 8) Serial RTC with supervisory functions(具有監(jiān)控功能的5.0V或3.0V，512位(64 x 8)串行RTC) |
| 中文描述： | 5.0或3.0V，512位（64 × 8）（具有監(jiān)控功能的5.0V或3.0V，512位（64 × 8）串行時鐘監(jiān)督職能的串行時鐘） |
| 文件頁數： | 1/31頁 |
| 文件大?。?/td> | 181K |
| 代理商： | M41ST84 |
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July 2002
M41ST84Y
M41ST84W
5.0 OR 3.0V, 512 bit (64 x 8) SERIAL RTC
WITH SUPERVISORY FUNCTIONS
FEATURES SUMMARY
I
5.0 OR 3.0V OPERATING VOLTAGE
I
SERIAL INTERFACE SUPPORTS I
2
C BUS
(400 KHz)
I
OPTIMIZED FOR MINIMAL INTERCONNECT
TO MCU
I
2.5 TO 5.5V OSCILLATOR OPERATING
VOLTAGE
I
AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
I
CHOICE OF POWER-FAIL DESELECT
VOLTAGES:
– M41ST84Y: V
CC
= 4.5 to 5.5V;
4.20V
≤
V
PFD
≤
4.50V
– M41ST84W: V
CC
= 2.7 to 3.6V;
2.55V
≤
V
PFD
≤
2.70V
I
1.25V REFERENCE (for PFI/PFO)
I
COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, and
CENTURY
I
44 BYTES OF GENERAL PURPOSE RAM
I
PROGRAMMABLE ALARM and INTERRUPT
FUNCTION (VALID EVEN DURINGBATTERY
BACK-UP MODE)
I
WATCHDOG TIMER
I
MICROPROCESSOR POWER-ON RESET
I
BATTERY LOW FLAG
I
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500 nA (max)
I
OPTIONAL PACKAGING INCLUDES A 28-
LEAD SOIC and SNAPHAT
TOP (to be
ordered separately)
I
SNAPHAT PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP,
WHICH CONTAINS THE BATTERY and
CRYSTAL
Figure 1. 16-pin SOIC Package
Figure 2. 28-pin SOIC Package
16
1
SO16 (MQ)
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery & Crystal
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| M41ST85WMX6E | 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor |
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| M41ST95W | 5.0 or 3.0V, 512 bit (64 bit x8) Serial RTC (SPI) SRAM and NVRAM Supervisor(5.0/3.0V, 512位(64位x8)串行RTC(SPI) SRAM和NVRAM監(jiān)控電路) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| M41ST84W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84W_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3 V I2C serial RTC with 44 bytes of NVRAM and supervisory functions |
| M41ST84WMH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84WMH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84WMH1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
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