MCP7940NT-E/SN

Identity

• Manufacturer: MICROCHIP(美国微芯)
• Model / MPN: MCP7940NT-E/SN
• LCSC: C623888
• Category: rtc
• Description: MCP7940NT-E/SN 1.8V5.5V I2C Interface:I2C Voltage - Supply:1.8V5.5V Voltage - Supply:1.8V5.5V Operating Temperature:-40℃+125℃ Operating Temperature:-40℃~+125℃
• Source: EasyEDA/JLC verified common component seed
• Project designators: Not project-specific
• Project quantity per board: Not project-specific

Capabilities

• i2c: interface

Package And Footprint

• Package / footprint name: SOIC-8
• Pin count: 8
• EasyEDA symbol UUID: 0638c899daf642d0b204525e104694fc
• EasyEDA footprint UUID: 1645372dca8547f19e87c6a19f78de2a
• EasyEDA device UUID: 1f4cad3e61394e539e4b160bb330ee34
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: Not characterized in seed; extract active current from datasheet tables.
• Sleep / standby current: Not characterized in seed; extract sleep/standby current from datasheet tables.
• Supply rails: EasyEDA property: 1.8V~5.5V.
• Notes: Seed values are search hints only. Verify power modes, rail limits, startup requirements, and reference design passives from the datasheet.

Procurement Classification

• JLC class: Extended Part
• JLC note / assembly basis: EasyEDA/JLC verified common memory, timing, storage, and security seed
• Assembly status: jlc_extended
• Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
• Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

• Datasheet / product URL: https://item.szlcsc.com/datasheet/MCP7940NT-E%252FSN/653735.html
• Product URL: https://item.szlcsc.com/datasheet/MCP7940NT-E%252FSN/653735.html
• Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

• Good for: battery-backed timekeeping, scheduled wakeups, timestamped logs, and low-power systems that need wall-clock time
• Avoid when: Not captured yet.
• Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
• Equivalent search hints: match category rtc, interfaces i2c, package SOIC-8, and EasyEDA footprint UUID 1645372dca8547f19e87c6a19f78de2a.

Search Keywords

seed:common-memory-timing-security, source:easyeda-bridge, iot, common-pcb, storage, timing, security, mcp7940n, real-time-clock, i2c, battery-backup, microchip, rtc, soic-8, jlc-extended, jlc_extended, jlc-note:easyeda-jlc-verified-common-memory-timing-storage-and-security-seed