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參數(shù)資料
| 型號： | M41ST87YMX6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOX-28 |
| 文件頁數(shù)： | 1/52頁 |
| 文件大?。?/td> | 689K |
| 代理商： | M41ST87YMX6 |
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April 2010
Doc ID 9497 Rev 8
1/52
1
M41ST87Y
M41ST87W
5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor
with tamper detection and 128 bytes of clearable NVRAM
Features
■ 5.0, 3.3, or 3.0 V operation
■ 400 kHz I2C bus
■ NVRAM supervisor to non-volatize external
LPSRAM
■ 2.5 to 5.5 V oscillator operating voltage
■ Automatic switchover and deselect circuitry
■ Choice of power-fail deselect voltages
– M41ST87Y:
THS = 1: VPFD≈ 4.63 V; VCC = 4.75 to 5.5 V
THS = 0: VPFD≈ 4.37 V; VCC = 4.5 to 5.5 V
– M41ST87W:
THS = 1: VPFD ≈ 2.9 V; VCC = 3.0 to 3.6 V
THS = 0: VPFD ≈ 2.63 V; VCC = 2.7 to 3.6 V
■ Two independent power-fail comparators
(1.25 V reference)
■ Counters for tenths/hundredths of seconds,
seconds, minutes, hours, day, date, month,
year, and century
■ 128 bytes of clearable, general purpose
NVRAM
■ Programmable alarm and interrupt function
(valid even during battery backup mode)
■ Programmable watchdog timer
■ Unique electronic serial number (8-byte)
■ 32 kHz frequency output available upon power-
on
■ Microprocessor power-on reset output
■ Battery low flag
■ Ultra-low battery supply current of 500 nA (typ)
Security features
■ Tamper indication circuits with timestamp and
RAM clear
■ LPSRAM clear function (TPCLR)
■ Packaging includes a 28-lead, embedded
crystal SOIC and a 20-lead SSOP
■ Oscillator stop detection
28-pin, (300 mil)
SOX28 (MX)
Embedded crystal
SSOP20 (SS)
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| M41ST87YMX6TR | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M41ST87WMX6TR | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M41ST95WMX6 | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M41ST95YMH6E | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41ST87YMX6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM |
| M41ST87YMX6TR | 功能描述:實時時鐘 Serial 1280 (160x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41ST87YSS6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM |
| M41ST87YSS6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM |
| M41ST95W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor |
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