MCP7940NT-I/MS Microchip Technology, MCP7940NT-I/MS Datasheet - Page 3
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MCP7940NT-I/MS
Manufacturer Part Number
MCP7940NT-I/MS
Description
Real Time Clock I2C GP RTCC 64B SRAM
Manufacturer
Microchip Technology
Series
-r
Type
Clock/Calendarr
Datasheet
1.MCP7940N-IMS.pdf
(36 pages)
Specifications of MCP7940NT-I/MS
Features
Alarm, Leap Year, SRAM
Memory Size
64B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C
Voltage - Supply
1.8 V ~ 5.5 V
Voltage - Supply, Battery
1.3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
1.0
Absolute Maximum Ratings
V
All inputs and outputs w.r.t. V
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:
2011 Microchip Technology Inc.
† 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
Param.
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
Note 1:
CC
No.
.............................................................................................................................................................................6.5V
2:
ELECTRICAL CHARACTERISTICS
—
V
V
V
V
I
I
C
C
I
I
I
IBAT
VTRIP
VCCFT
VCCRT
V
LI
LO
CC
CC
CCS
IH
IL
OL
HYS
IN
OUT
BAT
This parameter is periodically sampled and not 100% tested.
Standby with oscillator running
Sym.
,
Read Operating current
Write
DC CHARACTERISTICS
SCL, SDA pins
High-level input voltage
Low-level input voltage
Hysteresis of Schmitt
Trigger inputs
(SDA, SCL pins)
Low-level output voltage
(MFP, SDA)
Input leakage current
Output leakage current
Pin capacitance
(SDA, SCL and MFP)
SRAM
Standby current
V
(Note
V
V
V
V
(Note
BAT
BAT
CC
CC
BAT
Fall Time
Rise Time
Characteristic
Standby Current
Change Over
Voltage Range
2)
1)
SS
..........................................................................................................-0.6V to V
(Note
(Note
(†)
(Note
1)
1)
2)
Electrical Characteristics:
Industrial (I):
0.7 V
Min.
0.05
V
300
1.3
1.3
—
—
—
—
—
—
—
—
—
—
CC
0
CC
Typ.
700
0.3 V
0.2 V
V
Max.
CC
0.40
300
400
1.7
5.5
±1
±1
10
—
—
—
—
—
—
5
= +1.8V to 5.5V
CC
CC
Units
A
A
pF
A
A
A
nA
—
s
s
V
V
V
V
V
V
—
—
V
(Note
I
I
V
V
V
T
V
V
V
V
1.5V typical at T
From V
From V
—
OL
OL
A
IN
OUT
CC
CC
CC
CC
CC
BAT
= 25°C, f = 400 kHz
= 3.0 ma @ V
= 2.1 ma @ V
= V
MCP7940N
= 2.5V to 5.5V
= 5.0V
= 5.5V, SCL = 400 kHz
= 5.5V, SCL = 400 kHz
= 5.5V, SCL = SDA = V
= 1.8V @ 25°C
= V
T
1)
A
SS
TRIP
TRIP
= -40°C to +85°C
SS
Conditions
or V
(Note
(max) to V
(min) to V
or V
CC
AMB
CC
DS25010A-page 3
CC
CC
1)
= 25°C
= 4.5V
= 2.5V
TRIP
TRIP
CC
(max)
+1.0V
(min)
CC