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參數(shù)資料
| 型號(hào)： | M41T81MQ6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 27/28頁 |
| 文件大?。?/td> | 179K |
| 代理商： | M41T81MQ6 |
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M41T81
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Table 5. DC Characteristics
Note: 1. For SQW output (only).
2. STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
3. For rechargeable back-up, VBAT (max) may be considered VCC – 0.5V.
Table 6. Crystal Electrical Characteristics
Note: Externally supplied if using the SO16 package.
Load capacitors are integrated within the M41T81. Circuit board layout considerations for the 32.768 kHz crystal of minimum trace
lengths and isolation from RF generating signals should be taken into account.
STMicroelectronics recommends the KDS DT-38 Tuning Fork Type (thru-hole) or DMX-26 (SMD) quartz crystal for industrial temper-
ature conditions.
KDS can be contacted at kouhou@kdsj.co.jp or http://www.kdsj.co.jp for further information on this crystal type.
All SNAPHAT battery/crystal tops meet these specifications.
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
ILI
Input Leakage Current
0V
≤ VIN ≤ VCC
±1
A
ILO
Output Leakage Current
0V
≤ VOUT ≤ VCC
±1
A
ICC1
Supply Current
Switch Freq = 400kHz
400
A
ICC2
Supply Current (standby)
SCL,SDA = VCC-0.3V
70
A
VIL
Input Low Voltage
-0.3
0.3VCC
VIH
Input High Voltage
0.7VCC
VCC + 0.8
V
VOL
Output Low Voltage
IOL = 3.0mA
0.4
V
Output Low Voltage (Open
Drain)
IOL = 10mA
0.4
V
VOH
(1)
Output High Voltage
IOH = –1.0mA
2.4
V
VBAT
(2)
Battery Supply Voltage
2
3
3.5(3)
V
IBAT
Battery Supply Current
TA = 25°C, VCC = 0V
Oscillator ON, VBAT = 3V
0.8
1
A
Sym
Parameter
Min
Typ
Max
Units
fO
Resonant Frequency
32.768
kHz
RS
Series Resistance
60
k
CL
Load Capacitance
12.5
pF
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| M41T81MX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
| M41T81MX6 | 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) 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 |
| M41T81MX6TR | 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) 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 |
| M41T81MY | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
| M41T81MY6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
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