Datasheet Microchip MCP7940N — Datenblatt

HerstellerMicrochip
SerieMCP7940N

Die MCP7940N-Serie von Echtzeituhren mit geringem Stromverbrauch (RTC) verwendet eine digitale Zeitkompensation für eine genaue Uhr / einen genauen Kalender, eine programmierbare Ausgangssteuerung für Vielseitigkeit und eine Stromerfassungsschaltung, die automatisch auf die Backup-Versorgung umschaltet

Datenblätter

MCP7940N Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover
PDF, 1.4 Mb, Datei veröffentlicht: Mar 20, 2014
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Preise

Status

MCP7940N-E/MSMCP7940N-E/SNMCP7940N-I/MSMCP7940N-I/PMCP7940N-I/SNMCP7940N-I/STMCP7940NT-E/MSMCP7940NT-E/SNMCP7940NT-E/SNVAOMCP7940NT-I/MNYMCP7940NT-I/MSMCP7940NT-I/SNMCP7940NT-I/ST
Lifecycle StatusProduction (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)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

MCP7940N-E/MSMCP7940N-E/SNMCP7940N-I/MSMCP7940N-I/PMCP7940N-I/SNMCP7940N-I/STMCP7940NT-E/MSMCP7940NT-E/SNMCP7940NT-E/SNVAOMCP7940NT-I/MNYMCP7940NT-I/MSMCP7940NT-I/SNMCP7940NT-I/ST
N12345678910111213
PackageMSOPSOICMSOPPDIPSOICTSSOPMSOPSOICSOICTDFNMSOPSOICTSSOP
Pins8888888888888

Parameter

Parameters / ModelsMCP7940N-E/MSMCP7940N-E/SNMCP7940N-I/MSMCP7940N-I/PMCP7940N-I/SNMCP7940N-I/STMCP7940NT-E/MSMCP7940NT-E/SNMCP7940NT-E/SNVAOMCP7940NT-I/MNYMCP7940NT-I/MSMCP7940NT-I/SNMCP7940NT-I/ST
Alarms2 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)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)-127 to +127ppm (1 ppm steps)-127 to +127ppm (1 ppm steps)-127 to +127ppm (1 ppm steps)-127 to +127ppm (1 ppm steps)
Ibat Current, nA700700700700700700700700700700700700700
InterfaceI²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™I²C™
Operating Temperature Range, °C-40 to +125-40 to +125-40 to +85-40 to +85-40 to +85-40 to +85-40 to +125-40 to +125-40 to +85-40 to +85-40 to +85-40 to +85
OutputsIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLKIRQ/CLK
Power-Fail TimestampVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC Restore
Temperature Range-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125
Unique ID, MAC_AddressNoneNoneNoneNoneNoneNoneNoneNoneNoneNoneNoneNoneNone
User SRAM, Bytes64646464646464646464646464
Vbat Range, V1.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.51.3 - 5.5
Vcc Range, V1.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.51.8 - 5.5

Öko-Plan

MCP7940N-E/MSMCP7940N-E/SNMCP7940N-I/MSMCP7940N-I/PMCP7940N-I/SNMCP7940N-I/STMCP7940NT-E/MSMCP7940NT-E/SNMCP7940NT-E/SNVAOMCP7940NT-I/MNYMCP7940NT-I/MSMCP7940NT-I/SNMCP7940NT-I/ST
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Modellreihe

Herstellerklassifikation

  • Clock and Timing > Real-Time Clock > RTCC