MCP79521-I/MS Price & Stock
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Manufacturer

Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks
IC RTC CLK/CALENDAR SPI 10-MSOP
Documents
Datasheet |
MCP79521-I/MS![]() |
Specifications
Part Status | Active |
Type | Clock/Calendar |
Features | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID |
Memory Size | 64B |
Time Format | HH:MM:SS:hh (12/24 hr) |
Date Format | YY-MM-DD-dd |
Interface | SPI |
Voltage - Supply | 1.8 V ~ 3.6 V |
Voltage - Supply, Battery | 1.3 V ~ 3.6 V |
Current - Timekeeping (Max) | 1µA @ 1.8V ~ 3.6V |
Operating Temperature | -40°C ~ 85°C |
Mounting Type | Surface Mount |
Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
Supplier Device Package | 10-MSOP |
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EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 3783 |
|
Inquiry |

Longzi Technology (Shenzhen) Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 2 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Micrel / Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP ; 10-MSOP Clock/Timing - Real Time Clocks
|
Available |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 41874 |
|
Inquiry |

Chips Pulse Industry Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Tech | Purchase Online. Ship Immediately. MSOP-10 Pre-ordered MCUs RoHS | 11 |
|
Buy |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Roving Networks / Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 85937 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 41874 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tube | 2217 |
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Inquiry |

Mouser
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS
sku #: 579-MCP79521-I/MS
|
Microchip Technology | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Real Time Clock
|
257 In Stock |
|
Buy | ||||||||
MCP79521T-I/MS
sku #: 579-MCP79521T-I/MS
|
Microchip Technology | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Real Time Clock
|
1396 In Stock |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip | MSOP-10 | 8878 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 8311 |
|
Inquiry |

Unikey Electronics Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 83 |
|
Inquiry |

Sunether Technology Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 2225 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 836 |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Available, Contact us | 200 |
|
Inquiry |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 372 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip | IC RTC CLK/CALENDAR SPI 10-MSOP | In-Stock |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | DC:24+ ; Original New | 25603 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP Clock/Timing - Real Time Clocks
|
13522 |
|
Buy |

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 375 |
|
Buy |

Chip Source Co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 81966 |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP Integrated Circuits (ICs)>Clock/Timing - Real Time Clocks
|
5592 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 1827 |
|
Inquiry |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Real Time Clock (RTC) IC Clock/Calendar 64B SPI 10-TFSOP, 10-MSOP (0.118"", 3.00mm Width) | 159 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP Clock/Timing - Real Time Clocks
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In-Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | DC:Active ; - | 496 |
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Inquiry |

Axis Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | New Original,COC,ISO9001 | 8500 |
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Inquiry |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 2650 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Roving Networks / Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 10000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 166 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 8622 |
|
Inquiry |

LCSC
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Tech | SPI MSOP-10 Real-time Clocks (RTC) ROHS | 10 |
|
Buy |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | 35000 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 6210 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Brand new and original/respond online to quote. | 3188 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521IMS | MICROCHIP TECHNOLOGY | OEM/CM QUOTES ONLY | NO BROKERS | 481 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP ; DC:21+ ; 10-MSOP | 111 |
|
Inquiry | |
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP ; DC:23+ | 6210 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip | IC RTC CLK/CALENDAR SPI 10MSOP | 11921 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 | 9 |
|
Buy |

Classic Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip | 154 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Real Time Clock (RTC) IC Clock/Calendar 64B SPI 10-TFSOP 10-MSOP (0.118" 3.00mm Width) | 746 |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 766 |
|
Buy |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | shipping today | 3999 |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Micrel / Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP Clock/Timing - Real Time Clocks
|
260 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | Original stock,24-hour delivery | 1639 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | DC:22+ ; MSOP3x3 | 50000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | MSOP10 ; DC:20+ | 200 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Micrel / Microchip Technology | The parts are in stock | 9753 |
|
Inquiry |

Authorized Procurement Solutions
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | 200 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | MSOP ; DC:22+ | 50000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | in stock Immediately | 31130 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Maxim Integrated Products | In Stock |
|
Inquiry | ||
MCP79521-I/MS | Microchip Technology | In Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | MSOP-10 ; DC:2023+ | 5000 |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | 2000 |
|
Inquiry | |||
MCP79521-I/MS | Microchip Technology | 2000 |
|
Inquiry |

Asian Tera Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | Check alternative solution with competitive price | 1000 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 | in stock |
|
Inquiry |

Ersa Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 1 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | MICROCHIP | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 2900 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | IC RTC CLK/CALENDAR SPI 10-MSOP | 0 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521I/MS
sku #: MCP79521IMS
|
322 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521IMS | Microchip | OEM/CM ONLY | 181 |
|
Inquiry |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MCP79521-I/MS
sku #: 2345962
|
Microchip Technology | Microchip Technology Technology - Rtc, Spi, 2K Eeprom, 64B Sram, 10Msop - Mcp79521-I/Ms |Microchip Technology Technology MCP79521-I/MS | in stock |
|
Buy |

OnlineComponents
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCP79521-I/MS | Microchip Technology | TEXAS INSTRUMENTS TLV320AIC26IRHBG4 Audio Codec Low Power Stereo 1 2 -40 C 85 C 53 kSPS | 183 |
|
Buy |
See Also:
MCP79522-I/MS
MCP79521T-I/MS
MCP79520-I/MS
MCP79511-I/MS
MCP79521-I/SN
MCP79401-I/MS
MCP79511T-I/MS
MCP79510-I/MS
MCP79522T-I/MS
MCP79411-I/MS
MCP79521T-I/MN
MCP79512T-I/MS
MCP79520T-I/MS
MCP79512-I/MS
MCP795W21-I/ST
MCP79511T-I/MN
MCP79411T-I/MS
MCP795B21-I/ST
MCP79512T-I/MN
MCP79410-I/MS
MCP7940M-I/MS
MCP79520T-I/MN
MCP79511-I/SN
MCP795W21-I/SL
MCP795B21-I/SL
MCP79401T-I/MS
MCP79402T-I/MS
MCP79400-I/MS
MCP79510T-I/MS
MCP7940N-I/MS
MCP79412-I/MS
MCP79402-I/MS
MCP79412T-I/MS
MCP79522T-I/MN
MCP79401-I/ST
MCP79411-I/SN
MCP7940NT-I/MS
MCP79410T-I/MS
MCP795W20-I/SL
MCP79411-I/ST
MCP795W10-I/SL
MCP79510T-I/MN
MCP79401-I/SN
MCP795W10-I/ST
MCP7940MT-I/MS
MCP795W22-I/SL
MCP795W21T-I/SL
MCP795W11-I/SL
MCP7940N-E/MS
More »