參數(shù)資料
型號: MCP7940MT-I/MNY
廠商: Microchip Technology
文件頁數(shù): 7/19頁
文件大?。?/td> 0K
描述: IC RTCC I2C 64B SRAM 8-TDFN
標準包裝: 3,300
類型: 時鐘/日歷
特點: 警報器,閏年,方波輸出,SRAM
存儲容量: 64B
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 1.8 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: 帶卷 (TR)
其它名稱: MCP7940MT-I/MNY-ND
MCP7940MT-I/MNYTR
MCP7940M
DS22292A-page 2
Preliminary
2012 Microchip Technology Inc.
FIGURE 1-1:
TYPICAL OPERATING
CIRCUIT
FIGURE 1-2:
SCHEMATIC
X1
X2
NC
VSS
MFP
SCL
SDA
RTCC
SRAM
I2C
O
sci
llat
or
VCC
Alarms and
CLKOUT
MCP7940M
X1
X2
NC
VSS
VCC
MFP
SCL
SDA
SYSTEM VCC
C1
Note 1
R1
R2
CX1
CX2
X1
Suggested Values:
C1
CX1, CX2
R1
R2,3
X1
100nF
See Text
10K
2.2K
32.768 kHz Crystal
(See Text)
MFP
SCL
SDA
Note 1: A 100nF Capacitor should be placed as close to the VCC pin
on the device as possible.
R3
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