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參數資料
| 型號： | MCP79401T-I/MNY |
| 廠商： | Microchip Technology |
| 文件頁數： | 1/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK RTCC 64B EUI-48 8-TDFN |
| 標準包裝： | 1 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，方波輸出，SRAM，唯一 ID |
| 存儲容量： | 64B |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數據格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 1.8 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 8-TDFN（2x3） |
| 包裝： | 標準包裝 |
| 其它名稱： | MCP79401T-I/MNYDKR |
2011 Microchip Technology Inc.
DS25009C-page 1
MCP79400/MCP79401/MCP79402
Device Selection Table
Features:
Real-Time Clock/Calendar (RTCC), Battery
Backed:
- Hours, Minutes, Seconds, Day of Week, Day,
Month and Year
- Dual alarm with single output
On-Chip Digital Trimming/Calibration:
- Range -127 to +127 ppm
- Resolution 1 ppm
Programmable Open-Drain Output Control:
- CLKOUT with 4 selectable frequencies
- Alarm output
64 Bytes SRAM, Battery Backed
64-Bit Unique ID:
- User or factory programmable
- Protected EEPROM
-EUI-48 or EUI-64 MAC address
- Custom ID programming
Automatic VCC Switchover to VBAT Backup
Supply
Power-Fail Time-Stamp for Battery Switchover
Low-Power CMOS Technology:
- Dynamic Current: 400
A max read
- Dynamic Current: 400
A max SRAM
- Battery Backup Current: <700nA @ 1.8V
100 kHz and 400 kHz Compatibility
ESD Protection >4,000V
1 Million Erase/Write Cycles for Unique ID
Packages include 8-Lead SOIC, TSSOP, 2x3
TDFN, MSOP
Pb-Free and RoHS Compliant
Temperature Ranges:
- Industrial (I): -40°C to +85°C
Description:
The MCP7940X series of low-power Real-Time Clocks
(RTC) uses digital timing compensation for an accurate
clock/calendar, a programmable output control for
versatility, a power sense circuit that automatically
switches to the backup supply, and nonvolatile memory
for data storage. Using a low-cost 32.768 kHz crystal,
it tracks time using several internal registers. For
communication, the MCP7940X uses the I2C bus.
The clock/calendar automatically adjusts for months
with fewer than 31 days, including corrections for
leap years. The clock operates in either the 24-hour
or 12-hour format with an AM/PM indicator and
settable alarm(s) to the second, minute, hour, day of
the week, date or month. Using the programmable
CLKOUT, frequencies of 32.768, 8.192 and 4.096
kHz and 1 Hz can be generated from the external
crystal.
Along with the battery-backed SRAM memory, a 64-bit
protected EEPROM space is available for a unique ID
or MAC address to be programmed at the factory or by
the end user.
The device is fully accessible through the serial
interface while VCC is between 1.8V and 5.5V, but can
operate down to 1.3V for timekeeping and SRAM
retention only.
The RTC series of devices are available in the standard
8-lead SOIC, TSSOP, MSOP and 2x3 TDFN packages.
Package Types
Part Number
SRAM
(Bytes)
Unique ID
MCP79400
64
Blank
MCP79401
64
EUI-48
MCP79402
64
EUI-64
X1
X2
VBAT
VSS
VCC
MFP
SCL
SDA
1
2
3
4
8
7
6
5
MSOP
SOIC, TSSOP
X1
X2
VBAT
VSS
1
2
3
4
8
7
6
5
VCC
MFP
SCL
SDA
TDFN
X1
X2
VBAT
VSS
MFP
SCL
SDA
VCC
8
7
6
5
1
2
3
4
I2C Real-Time Clock/Calendar with SRAM, Unique ID
and Battery Switchover
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MCP79402 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:I2C? Real-Time Clock/Calendar with SRAM, Unique ID and Battery Switchover |
| MCP79402-I/MS | 功能描述:實時時鐘 I2C GP RTCC 64B SRAM EUI-64 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 |
| MCP79402-I/SN | 功能描述:實時時鐘 I2C GP RTCC 64B SRAM EUI-64 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 |
| MCP79402-I/ST | 功能描述:實時時鐘 I2C GP RTCC 64B SRAM EUI-64 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 |
| MCP79402T-I/MNY | 功能描述:實時時鐘 I2C GP RTCC 64B SRAM EUI-64 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 |
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