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参数资料
| 型号： | M41ST84WMQ6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO16 |
| 封装： | PLASTIC, SOP-16 |
| 文件页数： | 1/29页 |
| 文件大小： | 481K |
| 代理商： | M41ST84WMQ6 |
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1/29
January 2006
M41ST84W
3.0/3.3V I2C Serial RTC
with Supervisory Functions
Rev 7.0
KEY FEATURES
■
AUTOMATIC BATTERY SWITCHOVER and
DESELECT
–
Power-fail Deselect, VPFD = 2.60V (nom)
–
Switchover, VSO = 2.50V (nom)
■
400kHz I2C SERIAL INTERFACE
■
3.0/3.3V OPERATING VOLTAGE
–VCC = 2.7 to 3.6V
■
ULTRA-LOW BATTERY SUPPLY CURRENT
of 500nA (max)
■
RoHS COMPLIANCE
Lead-free components are compliant with the
RoHS Directive.
Serial RTC Features
■
400kHz I2C
■
44 Bytes of General Purpose NVRAM
■
Counters for:
–
Seconds, Minutes, Hours, Day, Date,
Month, and Year
–Century
–
10ths/100ths of Seconds
–
Clock Calibration register allows
compensation for crystal variations over
temperature
■
Programmable Alarm with Interrupt
–
Functions during Battery Back-up Mode
■
Power-down Timestamp (HT Bit)
■
2.5 to 5.5V Oscillator Operating Voltage
■
32KHz Oscillator with Integrated Load
Capacitance (12.5pF)
Microprocessor Supervisory Features
■
Programmable Watchdog Timer
–
62.5ms to 128s time-out period
■
Power-on Reset/Low Voltage Detect Output
■
PFI/PFO with 1.25V Reference
Figure 1. 16-pin SOIC Package
NVRAM Supervisory Features
■
Non-volatizes External LPSRAM
–
Automatically switches to back-up battery
and deselects (write-protects) external
LPSRAM via chip-enable gate
–
Power-fail deselect (write protect) voltage,
VPFD = 2.60V (nom)
–
Switchover , VSO = 2.50V (nom)
■
Battery Low flag
Other Features
■
Programmable Squarewave Generator (1Hz
to 32KHz)
■
–40°C to +85°C Operation
■
Packaged in a 16-lead SOIC
16
1
SO16 (MQ)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M41ST84WMQ6E | 功能描述:实时时钟 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41ST84WMQ6F | 功能描述:实时时钟 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41ST84WMQ6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.0/3.3V I2C Serial RTC with Supervisory Functions |
| M41ST84WSH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84Y | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
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