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參數(shù)資料
| 型號(hào)： | M41T65Q6F |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Serial Access Real-Time Clock with Alarms |
| 中文描述： | 串行訪問實(shí)時(shí)時(shí)鐘與鬧鐘 |
| 文件頁(yè)數(shù)： | 1/40頁(yè) |
| 文件大小： | 200K |
| 代理商： | M41T65Q6F |
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August 2006
Rev 11
1/41
1
M41T62, M41T63
M41T64, M41T65
Serial Access Real-Time Clock with Alarms
Feature summary
■
Counters for tenths/hundredths of seconds,
seconds, minutes, hours, day, date, month,
year, and century
■
32 KHz crystal oscillator integrating load
capacitance and high crystal series resistance
operation
■
Oscillator stop detection monitors clock
operation
■
Serial interface supports I
2
C bus (400kHz)
■
350nA timekeeping current @ 3V
■
Low operating current of 35
μ
A (@400kHz)
■
Timekeeping down to 1.0V
■
1.3V to 4.4V I
2
C bus operating voltage
■
32KHz square wave on power-up to drive a
microcontroller in low power mode
(M41T62/63/64)
■
Programmable (1Hz to 32KHz) square wave
(M41T63/64)
■
Programmable alarm with interrupt function
(M41T62/65)
■
Accurate programmable watchdog
(from 62.5ms to 31 min)
■
Software clock calibration to compensate
deviation of crystal due to temperature
■
Automatic leap year compensation
■
Operating temperature of –40 to 85°C
■
Lead-free 16-pin QFN package
■
Lithium ion rechargeable operation
Table 1
QFN16 (Q) 3mm x 3mm
1
XI
2
XO
3
4
AI11107
ST QFN16
SMT
CRYSTAL
VSOJ20 (47.6mm2)
Guard Ring(21.5mm2)
GND Plane
32KHz crystal + QFN 16 vs. VSOJ20
Table 1.
Device options
Basic RTC
Alarms
OSC fail
detect
Watchdog
timer
Calibration
SQW
output
IRQ
output
WDO
output
F
32K
output
M41T62
M41T63
M41T64
M41T65
www.st.com
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| M41T80M6E | Serial access Real Time Clock with alarm |
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| M41T81(中文) | SERIAL ACCESS RTC WITH ALARMS(帶報(bào)警的串行訪問實(shí)時(shí)時(shí)鐘) |
| M41T81M6E | Serial Access Real-Time Clock with Alarms |
| M41T81M6F | Serial access Real-Time Clock with alarm |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T65Q6F-CUT TAPE | 制造商:ST 功能描述:M41T65 Series 1.3 to 4.4 V Serial I2C Real Time Clock Surface Mount - QFN-16 |
| M41T66 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access real-time clock with alarms |
| M41T66_11 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial real-time clock with alarms |
| M41T66Q6F | 功能描述:實(shí)時(shí)時(shí)鐘 real-time clock with alarms 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T80 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
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