MCP79412-I/ST Microchip Technology, MCP79412-I/ST Datasheet - Page 4

• Manufacturer Part Number: MCP79412-I/ST
• Description: Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
• Manufacturer: Microchip Technology
• Series: -r
• Type: Clock/Calendarr

Specifications of MCP79412-I/ST

• Function: Clock/Calendar
• Rtc Memory Size: 64 Byte
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Rtc Bus Interface: I2C
• Supply Current: 1 uA
• 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

MCP7941X
TABLE 1-2:
DS22266C-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
4: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
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.
(minimum 300ns) of the falling edge of the SCL to avoid unintended generation of start or stop conditions.
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
 2010-2011 Microchip Technology Inc.
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
1.8V  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
4)
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)