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| 型号： | MCP79520T-I/MN |
| 厂商： | Microchip Technology |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC RTCC SPI 64B SRAM 10-TDFN |
| 标准包装： | 3,300 |
| 类型： | 时钟/日历 |
| 特点： | 警报器，EEPROM，闰年，方波输出，SRAM，唯一 ID |
| 存储容量： | 64B |
| 时间格式： | HH:MM:SS:hh（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 电源电压： | 1.8 V ~ 3.6 V |
| 电压 - 电源，电池： | 1.3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN（3x3） |
| 包装： | 带卷 (TR) |
2012 Microchip Technology Inc.
Preliminary
DS22300A-page 1
MCP7952X/MCP7951X
Device Selection Table
Timekeeping Features:
Real-Time Clock/Calendar:
- Hours, Minutes, Seconds, Hundredth of
Seconds, Day of Week, Month, Year, Leap
Year
Crystal Oscillator requires External 32,768 kHz
Tuning Fork Crystal and Load Capacitors.
Clock Out Function:
- 1Hz, 4.096 kHz, 8.192 kHz, 32.768 kHz
2 Programmable Alarms
Programmable open drain output – Alarm or
Interrupt
On-Chip Digital Trimming/Calibration:
- +/- 255 PPM range in 1 PPM steps
Power-Fail Time-Stamp @ Battery Switchover:
- Logs time when VCC fails and VCC is restored
Low-Power Features:
Wide Operating Voltage:
-VCC: 1.8V to 3.6V
-VBAT: 1.3V to 3.6V
Low Operating Current:
-VCC Standby Current < 1uA @ 3V
-VBAT Timekeeping Current: <700nA @ 1.8V
Automatic Battery Switchover from VCC to VBAT:
- Backup power for timekeeping and SRAM
retention
User Memory:
64-Byte Battery-Backed SRAM
2 Kbit and 1 Kbit EEPROM Memory:
- Software block write-protect (, , or entire
array)
- Write Page mode (up to 8 bytes)
- Endurance: 1M erase/write cycles
128-Bit Unique ID in Protected Area of EEPROM:
- Available blank or preprogrammed
- EUI-48 or EUI-64 MAC address
- Unlock sequence for user programming
Operating Ranges:
SPI Clock Speed up to 5 MHz
Operating Temperature Ranges:
- Industrial (I Temp): -40°C to +85°C.
Packages include 10-Lead MSOP and TDFN
Package Types (not to scale)
Part Number
SRAM
(Bytes)
EEPROM
(Kbits)
Unique ID
MCP79520
64
2
Blank
MCP79510
64
1
Blank
MCP79521
64
2
EUI-48
MCP79511
64
1
EUI-48
MCP79522
64
2
EUI-64
MCP79512
64
1
EUI-64
X1
X2
VBAT
Vcc
MFP
1
2
3
4
M
C
P795
XX
MSOP/TDFN
CS
VSS
SCK
SO
SI
5
6
7
10
9
8
Note:
MCP795XX is used in this document as a
generic part number for the MCP7951X,
MCP7952X devices.
3V SPI Real-Time Clock Calendar with Battery Switchover
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP79521 | 制造商:MAS 制造商全称:MAS 功能描述:3V SPI Real-Time Clock Calendar with Battery Switchover |
| MCP79521-I/MS | 功能描述:实时时钟 SPI GP RTCC 2Kb EE 64B SRAM EUI-48 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 |
| MCP79521T-I/MN | 功能描述:实时时钟 SPI GP RTCC 2Kb EE 64B SRAM EUI-48 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 |
| MCP79521T-I/MS | 功能描述:实时时钟 SPI GP RTCC 2Kb EE 64B SRAM EUI-48 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 |
| MCP79522 | 制造商:MAS 制造商全称:MAS 功能描述:3V SPI Real-Time Clock Calendar with Battery Switchover |
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