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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)： | 27/52頁 |
| 文件大?。?/td> | 689K |
| 代理商： | M41ST87YMX6 |
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M41ST87Y, M41ST87W
Clock operation
Doc ID 9497 Rev 8
Figure 22.
Crystal accuracy across temperature
Figure 23.
Calibration waveform
3.3
Setting alarm clock registers
Address locations 0Ah-0Eh contain the alarm settings. The alarm can be configured to go
off at a prescribed time on a specific month, date, hour, minute, or second, or repeat every
year, month, day, hour, minute, or second. It can also be programmed to go off while the
M41ST87Y/W is in the battery back-up to serve as a system wake-up call.
Bits RPT5–RPT1 put the alarm in the repeat mode of operation. Table 8 on page 34 shows
the possible configurations. Codes not listed in the table default to the once per second
mode to quickly alert the user of an incorrect alarm setting.
When the clock information matches the alarm clock settings based on the match criteria
defined by RPT5–RPT1, the AF (alarm flag) is set. If AFE (alarm flag enable) is also set, the
AI07888
–160
0
10203040506070
Frequency (ppm)
Temperature
°C
80
–10
–20
–30
–40
–100
–120
–140
–40
–60
–80
20
0
–20
= –0.036 ppm/
°C
2 ± 0.006 ppm/°C2
K
= K x (T – T
O)
2
F
T
O = 25°C ± 5°C
AI00594B
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
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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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相關代理商/技術參數(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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