MCP7940N-I/SN Microchip Technology, MCP7940N-I/SN Datasheet - Page 33

• Manufacturer Part Number: MCP7940N-I/SN
• Description: I2C GP RTCC, 64B SRAM 8 SOIC 3.90mm (.150") TUBE
• Manufacturer: Microchip Technology
• Series: -r
• Type: Clock/Calendarr

Specifications of MCP7940N-I/SN

• 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-SOIC (0.154", 3.90mm Width)
• Function: Clock, Calendar, Alarm, Battery Backup
• Rtc Memory Size: 64 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: 2-Wire, I2C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. Not every possible ordering
combination is listed below.
 2011 Microchip Technology Inc.
Device:
Temperature
Range:
Package:
Note 1: ’Y’ indicates a Nickel Palladium Gold (NiPdAu) finish.
PART NO.
Device
MCP7940N =
MCP7940NT=
MCP7940N =
MCP7940NT=
MCP7940N =
MCP7940NT=
I
SN
ST
MS
MNY
Temperature
Range
(1)
=
=
=
=
=
X
-40°C to +85°C
8-Lead Plastic Small Outline (3.90 mm body)
8-Lead Plastic Thin Shrink Small Outline
(4.4 mm)
8-Lead Plastic Micro Small Outline
8-Lead Plastic Dual Flat, No Lead
1.8V - 5.5V I
1.8V - 5.5V I
(Tape and Reel)
1.8V - 5.5V I
1.8V - 5.5V I
(Tape and Reel)
1.8V - 5.5V I
1.8V - 5.5V I
(Tape and Reel)
Package
/XX
2
2
2
2
2
2
C™ Serial RTCC
C Serial RTCC
C Serial RTCC
C Serial RTCC,
C Serial RTCC
C Serial RTCC
Examples:
a)
b)
c)
d)
e)
f)
g)
h)
MCP7940N-I/SN: Industrial Tempera-
ture, SOIC package.
MCP7940NT-I/SN: Industrial Tempera-
ture, SOIC package, Tape and Reel.
MCP7940NT-I/MNY: Industrial Tempera-
ture, TDFN package.
MCP7940N-I/SN: Industrial Tempera-
ture, SOIC package.
MCP7940N-I/MS: Industrial Tempera-
ture MSOP package.
MCP7940N-I/SN: Industrial Tempera-
ture, SOIC package.
MCP7940N-I/ST: Industrial Temperature,
TSSOP package.
MCP7940NT-I/ST: Industrial Temperature,
TSSOP package, Tape and Reel.
MCP7940N
DS25010A-page 33