BQ4845YP-A4 vs BQ4845YP-A4E3 Comparaison

Comparaison détaillée côte à côte de BQ4845YP-A4 par Texas Instruments et BQ4845YP-A4E3 par Texas Instruments. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.

Comparaison des spécifications

Paramètre BQ4845YP-A4 BQ4845YP-A4E3
Marque Texas Instruments Texas Instruments
Catégorie Clock & Timing Clock & Timing
Statut du cycle de vie Unknown Actif
Product Type Parallel real-time clock and calendar with CPU supervisor Real-time clock and calendar IC with CPU supervisor
Tension d'alimentation 5 V —
Backup Battery Voltage 3 V —
Crystal Frequency 32.768 kHz —
Clock Accuracy [DATA_NEEDED: clock accuracy] —
Calendar Format BCD, counting seconds through years —
Interface Parallel —
Real-Time Clock Count 1 timer —
Backup Operating Current Less than 500 nA —
Alarm Function Yes —
Daylight Savings Correction Yes —
Leap-Year Calculation Yes —
Watchdog Timer Yes Yes, programmable timeout
Microprocessor Reset Yes —
Battery Low Warning Yes —
External SRAM Control Nonvolatile write-protect and backup-retention control —
Conditional Chip Enable Output CEOUT CEOUT for external SRAM write protection
Battery Voltage Output VOUT —
Boîtier 28-DIP, 0.600 inch (15.24 mm) 28-DIP (0.600 in, 15.24 mm)
Type de montage Through-hole —
Termination Count 28 —
RoHS Compliance RoHS compliant —
Plage de température de fonctionnement [DATA_NEEDED: operating temperature range] 0 °C to 70 °C
Supplier Lifecycle Status [DATA_NEEDED: lifecycle status] —
Supply Voltage Range — 4.5 V to 5.5 V
Clock Crystal Frequency — 32.768 kHz
Clock Format — BCD
Date Format — BCD
Type d'interface — Parallel
Style de montage — Through-hole
Nombre de broches — 28 pins
Temperature Grade — Commercial
Backup Battery Support — 3 V backup battery connection
Backup Mode Clock Current — Less than 500 nA
Power-Fail Warning — Yes
Leap-Year Feature — Yes
Daylight Savings Feature — Yes
Alarm Feature — Yes
Backup Voltage Output — VOUT for battery-voltage monitoring
Statut RoHS — RoHS compliant

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