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MCP79411T-I/ST
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MCP79411T-I/ST数据手册
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2010-2016 Microchip Technology Inc. DS20002266H-page 3
MCP79410/MCP79411/MCP79412
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
(†)
VCC.............................................................................................................................................................................6.5V
All inputs and outputs (except SDA and SCL) w.r.t. V
SS.....................................................................-0.6V to VCC +1.0V
SDA and SCL w.r.t. V
SS ............................................................................................................................... -0.6V to 6.5V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied................................................................................................-40°C to +125°C
ESD protection on all pins........................................................................................................................................ 4 kV
TABLE 1-1: DC CHARACTERISTICS
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
DC CHARACTERISTICS
Electrical Characteristics:
Industrial (I): V
CC = +1.8V to 5.5V TA = -40°C to +85°C
Param.
No.
Symbol Characteristic Min. Typ.
(2)
Max. Units Conditions
D1 V
IH High-Level Input Voltage 0.7 VCC ——V
D2 VIL Low-Level Input Voltage 0.3 VCC VVCC 2.5V
——0.2V
CC VVCC <2.5V
D3 VHYS Hysteresis of Schmitt
Trigger Inputs
(SDA, SCL pins)
0.05 VCC ——VNote 1
D4 VOL Low-Level Output Voltage
(MFP, SDA pins)
——0.40VIOL = 3.0 mA; VCC =4.5V
——0.40VIOL = 2.1 mA; VCC =2.5V
D5 I
LI Input Leakage Current ±1 µA VIN =VSS or VCC
D6 ILO Output Leakage Current ±1 µA VOUT =VSS or VCC
D7 CIN,
C
OUT
Pin Capacitance
(SDA, SCL, MFP pins)
10 pF VCC =5.0V (Note 1)
10 pF T
A = 25°C, f = 1 MHz
D8 COSC Oscillator Pin
Capacitance (X1, X2 pins)
—3pFNote 1
D9 I
CCEERD EEPROM Operating
Current
——400µAVCC =5.5V, SCL=400kHz
ICCEEWR ——3mAVCC =5.5V
D10 I
CCREAD,
I
CCWRITE
SRAM/RTCC Register
Operating Current
——300µAVCC =5.5V, SCL=400kHz
——400µAV
CC =5.5V, SCL=400kHz
D11 ICCDAT VCC Data-Retention
Current (oscillator off)
1 µA SCL, SDA, VCC =5.5V
D12 I
CCT Timekeeping Current 1.2 µA VCC =3.3V (Note 1)
D13 VTRIP Power-Fail Switchover
Voltage
1.3 1.5 1.7 V
D14 V
BAT Backup Supply Voltage
Range
1.3 5.5 V Note 1
Note 1: This parameter is not tested but ensured by characterization.
2: Typical measurements taken at room temperature.

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