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MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP
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MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP

Semiconductors\Clock, Timing & Frequency ICs\Real Time ClocksThe Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature.
Bus Type Serial-I2C
Date Format DW:DM:M:Y
Functions Alarm, Calendar
Maximum Operating Supply Voltage 5.5 V
Maximum Operating Temperature +85 °C
Minimum Operating Supply Voltage 1.8 V
Minimum Operating Temperature -40 °C
Mounting Type Through Hole
Package Type PDIP
Pin Count 8
Time Format HH:MM:SS
User RAM 64B
Width 7.11mm
Battery Backup Switching No Backup Switching
Brand Microchip Technology
Date Format YY-MM-DD-dd
Factory Pack Quantity: Factory Pack Quantity 60
Function Alarm, Calendar, Clock
Manufacturer Microchip
Maximum Operating Temperature +85 C
Minimum Operating Temperature -40 C
Mounting Style Through Hole
Package / Case PDIP-8
Packaging Tube
Product Category Real Time Clock
Product Type Real Time Clocks
RTC Bus Interface I2C, Serial
RTC Memory Size 64 B
Subcategory Clock & Timer ICs
Supply Voltage - Max 5.5 V
Supply Voltage - Min 1.8 V
Time Format HH:MM:SS(12 hr, 24 hr)
Interface I2C
Operating Voltage 1.8V~5.5V
Case DIP8
Clock format HH:MM:SS(12/24h)
DC supply current 5µA
Frequency 400kHz
Kind of memory SRAM
Manufacturer MICROCHIP TECHNOLOGY
Memory 64B SRAM
Mounting THT
Output voltage -0.6…6.5V
Time keeping current 1000nA
Type of integrated circuit RTC circuit
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