MCP7940N-I/P Price & Stock
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Manufacturer

Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks
IC RTC CLK/CALENDAR I2C 8DIP
Documents
Datasheet |
MCP7940N-I/P![]() |
Specifications
Part Status | Active |
Type | Clock/Calendar |
Features | Alarm, Leap Year, Square Wave Output, SRAM |
Memory Size | 64B |
Time Format | HH:MM:SS (12/24 hr) |
Date Format | YY-MM-DD-dd |
Interface | I²C, 2-Wire Serial |
Voltage - Supply | 1.8 V ~ 5.5 V |
Voltage - Supply, Battery | 1.3 V ~ 5.5 V |
Current - Timekeeping (Max) | 1.2µA @ 3.3V |
Operating Temperature | -40°C ~ 85°C |
Mounting Type | Through Hole |
Package / Case | 8-DIP (0.300", 7.62mm) |
Supplier Device Package | 8-PDIP |

Electronic & Electrical Components > Semiconductors - ICs > Clocks Timing & Frequency Management > Real Time Clocks
RTCC GP I2C 64B SRAM 8PDIP
Documents
Datasheet |
MCP7940N-I/P![]() |
Specifications
Clock Format | 12Hr / 24Hr |
Clock IC Type | Alarm RTC |
Supply Voltage Min | 1.8V |
Supply Voltage Max | 5.5V |
Clock IC Case Style | DIP |
No. of Pins | 8Pins |
IC Interface Type | I2C |
Operating Temperature Min | -40°C |
Operating Temperature Max | 85°C |
Packaging | Each |
Product Range | - |
Automotive Qualification Standard | AEC-Q100 |
MSL | MSL 1 - Unlimited |
SVHC | No SVHC (17-Dec-2015) |
Hide

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Roving Networks / Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 125000 |
|
Inquiry |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP | 18160 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | 11041 |
|
Inquiry |

Longzi Technology (Shenzhen) Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP | 3898 |
|
Buy |

Mouser
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P
sku #: 579-MCP7940N-I/P
|
Microchip Technology | Real Time Clock I2C GP RTCC,64B SRAM Real Time Clock
|
547 In Stock |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 400 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP Clock/Timing - Real Time Clocks
|
4802 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 3830 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | 7514 |
|
Inquiry |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | Real Time Clock (RTC) IC Clock/Calendar 64B I??C, 2-Wire Serial 8-DIP (0.300"", 7.62mm) | 1979 |
|
Inquiry |

Newark element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P
sku #: 12X8715
|
Microchip | Microchip - Rtcc, Gp I2C, 64B Sram, 8Pdip - Mcp7940N-I/P |Microchip MCP7940N-I/P | in stock |
|
Buy |

ComSIT Distribution GmbH
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940NIP | mct | Stock Europe - ROHS:YES - Battery-Backed I2C Real-Time Clock/Calendar with SRAM Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP8 | 70 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Micrel / Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP ; 8-PDIP Clock/Timing - Real Time Clocks
|
Available |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | 172 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP Clock/Timing - Real Time Clocks
|
In-Stock |
|
Inquiry |

Sunether Technology Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 6 |
|
Inquiry |

Chip Source Co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 266375 |
|
Inquiry |

Axis Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | New Original,COC,ISO9001 | 35583 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP | 1881 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | 8-DIP (0.300", 7.62mm) | 10000 |
|
Inquiry |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 489 |
|
Buy |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP Integrated Circuits (ICs)>Clock/Timing - Real Time Clocks
|
13064 |
|
Buy |

LCSC
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Tech | I2C DIP-8 Real-time Clocks (RTC) ROHS | 2 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | DC:Active ; - | 368 |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | 49598 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Roving Networks / Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 10000 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP | 32190 |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | 2000 |
|
Inquiry | |||
MCP7940N-I/P | Microchip Technology | 2000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip | In-Stock |
|
Inquiry |

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 8 |
|
Buy |

Classic Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip | 323 |
|
Inquiry |

Chips Pulse Industry Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Tech | Purchase Online. Ship Immediately. Clock/Calendar 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 2-Wire Se | 19 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MIC | DC:2019/2020 | 3000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip | DIP-8 | 7845 |
|
Inquiry |

ICSOSO Electronics Company Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm/Battery Backup Automotive 8-Pin PDIP Tube | 3101 |
|
Inquiry |

Transfer Multisort Elektronik
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P
sku #: MCP7940N-I/P
|
MICROCHIP TECHNOLOGY | IC: RTC circuit; I2C; SRAM; 64BSRAM; 1.8 5.5VDC; DIP8; -40 85 C Semiconductors > Integrated circuits > Peripheral integrated circuits > RTC circuits
|
84 |
|
Buy |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP / Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-DIP (0.300", 7.62mm) | 1500 |
|
Buy |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip | IC RTC CLOCK/CALENDAR I2C 8DIP | 19565 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | DC:24+ ; Original New | 10427 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP ; DC:21+ ; 8-PDIP | 111 |
|
Inquiry | |
MCP7940N-I/P | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP ; DC:23+ | 32190 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | Available, Contact us | 600 |
|
Inquiry |

Chip 1 Exchange
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MCHIP | AVAILABLE | 390 |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Micrel / Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP Clock/Timing - Real Time Clocks
|
353 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | Brand new and original/respond online to quote. | 15155 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MICROCHIP | sopdipqfp ; DC:22+ | 10000 |
|
Inquiry |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MICROCHIP | shipping today | 9991 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 304 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-IP | MICROCHIP | 1000 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940NIP | MICROCHIP | OEM/CM QUOTES ONLY | NO BROKERS | 443 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 532 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Maxim Integrated Products | In Stock |
|
Inquiry | ||
MCP7940N-I/P | Microchip Technology | In Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P IC | MICROCHIP/ | DC:1323+ ; DIP-8 | 5003 |
|
Inquiry |

Quest Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology Inc | REAL TIME CLOCK, VOLATILE, 0 TIMER(S), CMOS, PDIP8 | 100 |
|
Buy | ||||||
MCP7940N-I/P | Microchip Technology Inc | REAL TIME CLOCK, VOLATILE, 0 TIMER(S), CMOS, PDIP8 | 15 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | in stock |
|
Inquiry | |
MCP7940N-I/P | Microchip Technology | Real Time Clock I2C GP RTCC,64B SRAM | in stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MICROCHIP | DIP-8 ; DC:2023+ | 30000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | IC RTC CLK/CALENDAR I2C 8DIP | 0 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940NI/P
sku #: MCP7940NIP
|
MICROCHIP TECHNOLOGY | 188 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | Real Time Clock I2C GP RTCC,64B SRAM | 84 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Tech | In stock,ready for shipping ; DIP-8 | 2751 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940NIP | Microchip | OEM/CM ONLY | 1202 |
|
Inquiry |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P
sku #: 2361114
|
Microchip Technology | Microchip Technology Technology - Rtcc, Gp I2C, 64B Sram, 8Pdip - Mcp7940N-I/P |Microchip Technology Technology MCP7940N-I/P | in stock |
|
Buy |

OnlineComponents
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP7940N-I/P | Microchip Technology | Battery-Backed I2C Real-Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40 C to +85 C - 8-lead PDIP | 540 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP7940N-I/P | MICROCHIP | DIP-8 ; DC:NA | 52451 |
|
Inquiry |
See Also:
MCP7940M-I/P
MCP7940N-I/SN
MCP7940N-IMS
MCP7940N-I/MS
MCP7940N-I/ST
MCP7940N-I
MCP7940N-1/SN
MCP79402-I/MS
MCP7940NT-I/SN
MCP7940NT-I/ST
MCP79402-I/ST
MCP7940M-I/SN
MCP79401-I/SN
MCP79401-I/ST
MCP7940NT-IMS
MCP79400-I/ST
MCP7940N-E/SN
MCP79400-I/MS
MCP7940NT-I/MS
MCP79401-I/MS
MCP7940N-E/MS
MCP79402-I/SN
MCP79400-I/SN
MCP7940M-I/ST
MCP7940M-I/MS
MCP79412-I/SN
MCP7940NT-E/MS
MCP79400-I/MNY
MCP79400T-I/MS
MCP79400T-I/SN
MCP79401-I/MNY
MCP79402T-I/SN
MCP79410-I/SN
MCP7940MT-I/ST
MCP79410T-I/ST
MCP79410-I/MS
MCP79411-I/MS
MCP7940NT-E/SN
MCP7940MT-I/MS
MCP79402T-I/MS
MCP79410T-I/SN
MCP79400T-I/ST
MCP79410T-I/MS
MCP79412-I/MS
MCP79402T-I/ST
MCP79412-I/ST
MCP79410-I/ST
MCP79412-I
MCP79410T-I
More »