MCP79400-I/ST Microchip Technology, MCP79400-I/ST Datasheet - Page 20

• Manufacturer Part Number: MCP79400-I/ST
• Description: Real Time Clock I2C GP RTCC 64B SRAM ID
• Manufacturer: Microchip Technology
• Series: -r
• Type: Clock/Calendarr

Specifications of MCP79400-I/ST

• 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 (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP7940X
6.0
6.1
DS25009A-page 20
PACKAGING INFORMATION
Package Marking Information
8-Lead TSSOP
8-Lead MSOP
8-Lead SOIC (3.90 mm)
Legend: XX...X
Note:
8-Lead 2x3 TDFN
XXYYWW
YWWNNN
XXXXXT
XXXXX
YWW
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
XXX
NN
Y
YY
WW
NNN
*
NNN
MCP79400
MCP79401
MCP79402
e
TYWW
XXXX
Note:
NNN
3
Part Number
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator (
can be found on the outer packaging for this package.
Customer-specific information
T = Temperature grade
NN = Alphanumeric traceability code
TSSOP
9400
9401
9402
1st Line Marking Codes
79400T
79401T
79402T
MSOP
TDFN
AAU
AAS
AAT
Example:
Example:
Example:
SN
79400I
e
Example:
3
1109
10913F
79401I
13F
AAS
109
13
 2011 Microchip Technology Inc.
9400
I109
13F
e
3
)