MCP79402T-I/SN Microchip Technology, MCP79402T-I/SN Datasheet - Page 4
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MCP79402T-I/SN
Manufacturer Part Number
MCP79402T-I/SN
Description
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Manufacturer
Microchip Technology
Series
-r
Type
Clock/Calendarr
Datasheet
1.MCP79402-ISN.pdf
(40 pages)
Specifications of MCP79402T-I/SN
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-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MCP7940X
TABLE 1-2:
DS25009B-page 4
AC CHARACTERISTICS
Param.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Note 1: Not 100% tested.
No.
2: The combined T
3: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
F
T
T
T
T
T
T
T
T
T
T
T
T
T
—
Symbol
noise spike suppression. This eliminates the need for a T
application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site
at www.microchip.com.
SU
SU
SU
AA
SP
R
WC
CLK
HIGH
LOW
F
HD
HD
BUF
:
:
:
:
:
STA
DAT
STO
STA
DAT
AC CHARACTERISTICS
Clock frequency
Clock high time
Clock low time
SDA and SCL rise time
(Note
SDA and SCL fall time
(Note
Start condition hold time
Start condition setup time
Data input hold time
Data input setup time
Stop condition setup time
Output valid from clock
Bus free time: Time the bus
must be free before a new
transmission can start
Input filter spike suppression
(SDA and SCL pins)
Write cycle time (byte or
page)
Endurance
1)
1)
SP
Characteristic
and V
HYS
specifications are due to new Schmitt Trigger inputs, which provide improved
Electrical Characteristics:
Industrial (I):
4000
4700
1300
4000
4700
4000
4700
1300
Min.
600
600
600
250
100
600
1M
—
—
—
—
—
—
—
—
—
—
0
Max.
1000
1000
3500
100
400
300
300
900
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
I
5
V
specification for standard operation.
CC
= +1.8V to 5.5V
cycles 25°C, V
Units
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
1.8V V
2.5V V
(Note 1
—
(Note
2011 Microchip Technology Inc.
3)
CC
and
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
T
Conditions
A
= 5.5V Page mode
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
< 2.5V
5.5V
= -40°C to +85°C
Note
2)