MCP79402T-I/ST Microchip Technology, MCP79402T-I/ST Datasheet - Page 3

• Manufacturer Part Number: MCP79402T-I/ST
• Description: Real Time Clock I2C GP RTCC 64B SRAM EUI-64
• Manufacturer: Microchip Technology
• Series: -r
• Type: Clock/Calendarr

Specifications of MCP79402T-I/ST

• Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Unique ID
• 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 (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
D15
D16
Note 1:
CC
No.
.............................................................................................................................................................................6.5V
2:
ELECTRICAL CHARACTERISTICS
—
V
V
V
V
I
I
C
C
I
I
I
I
I
IBAT
VTRIP
VCCFT
VCCRT
V
COSC
LI
LO
CC
CC
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
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)
ID
SRAM
Standby current
V
(Note
V
V
V
V
(Note
Oscillator Pin
Capacitance
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
3
0.3 V
0.2 V
V
Max.
CC
0.40
400
300
400
1.7
5.5
±1
±1
10
—
—
—
—
—
—
—
3
5
= +1.8V to 5.5V
CC
CC
Units
mA
A
A
pF
A
A
A
A
nA
pF
—
s
s
V
V
V
V
V
V
—
—
V
(Note
I
I
V
V
V
T
V
V
V
V
V
V
1.5V typical at T
From V
From V
—
(Note
OL
OL
A
IN
OUT
CC
CC
CC
CC
CC
CC
CC
BAT
= 25°C, f = 400 kHz
= 3.0 ma @ V
= 2.1 ma @ V
= V
= 2.5V to 5.5V
= 5.0V
= 5.5V, SCL = 400 kHz
= 5.5V
= 5.5V, SCL = 400 kHz
= 5.5V, SCL = 400 kHz
= 5.5V, SCL = SDA = V
MCP7940X
= 1.8V @ 25°C
= V
T
1)
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
DS25009B-page 3
CC
CC
1)
= 25°C
= 4.5V
= 2.5V
TRIP
TRIP
CC
(max)
+1.0V
(min)
CC