Datasheet Microchip MCP7940M — Datenblatt
| Hersteller | Microchip |
| Serie | MCP7940M |
Die MCP7940M I2CTM-kompatible Echtzeituhr / -kalender (RTCC) enthält SRAM und eine digitale Trimmschaltung für Genauigkeit, die normalerweise bei teureren Geräten zu finden ist
Datenblätter
MCP7940M Low-Cost I2C RTCC with SRAM
PDF, 1.3 Mb, Datei veröffentlicht: Jun 23, 2014
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Status
| MCP7940M-I/MS | MCP7940M-I/P | MCP7940M-I/SN | MCP7940M-I/ST | MCP7940MT-I/MNY | MCP7940MT-I/MS | MCP7940MT-I/SN | MCP7940MT-I/ST | MCP7940MT-I/STVAO | |
|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Verpackung
| MCP7940M-I/MS | MCP7940M-I/P | MCP7940M-I/SN | MCP7940M-I/ST | MCP7940MT-I/MNY | MCP7940MT-I/MS | MCP7940MT-I/SN | MCP7940MT-I/ST | MCP7940MT-I/STVAO | |
|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Package | MSOP | PDIP | SOIC | TSSOP | TDFN | MSOP | SOIC | TSSOP | TSSOP |
| Pins | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Parameter
| Parameters / Models | MCP7940M-I/MS | MCP7940M-I/P | MCP7940M-I/SN | MCP7940M-I/ST | MCP7940MT-I/MNY | MCP7940MT-I/MS | MCP7940MT-I/SN | MCP7940MT-I/ST | MCP7940MT-I/STVAO |
|---|---|---|---|---|---|---|---|---|---|
| Alarms | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) | 2 Alarms (1 sec) |
| Digital_Trimming | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) | -127 to +127ppm (1 ppm steps) |
| Interface | I²C™ | I²C™ | I²C™ | I²C™ | I²C™ | I²C™ | I²C™ | I²C™ | I²C™ |
| Operating Temperature Range, °C | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | |
| Outputs | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK | IRQ/CLK |
| Temperature Range | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
| Unique ID, MAC_Address | None | None | None | None | None | None | None | None | None |
| User SRAM, Bytes | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 |
| Vcc Range, V | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 | 1.8 - 5.5 |
Öko-Plan
| MCP7940M-I/MS | MCP7940M-I/P | MCP7940M-I/SN | MCP7940M-I/ST | MCP7940MT-I/MNY | MCP7940MT-I/MS | MCP7940MT-I/SN | MCP7940MT-I/ST | MCP7940MT-I/STVAO | |
|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Modellreihe
Serie: MCP7940M (9)
Herstellerklassifikation
- Clock and Timing > Real-Time Clock > RTCC