BQ4845S-A4N vs BQ4845YS-A4N Comparaison

Comparaison détaillée côte à côte de BQ4845S-A4N par Texas Instruments et BQ4845YS-A4N 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 BQ4845S-A4N BQ4845YS-A4N
Marque Texas Instruments Texas Instruments
Catégorie Clock & Timing Clock & Timing
Statut du cycle de vie Unknown Actif
Statut du stock In Stock In Stock
Prix unitaire (USD) $0,00 $0,00
Device Type Real-time clock (RTC) with CPU supervisor —
Timekeeping Format Seconds through years in BCD format —
Calendar Capability 100-year calendar —
Interface Parallel SRAM-compatible clock/calendar and control interface Parallel
Clock Crystal Frequency 32.768 kHz —
Backup Battery 3 V —
Backup Mode Clock Current Less than 500 nA —
NVSRAM Control On-chip battery-backup switchover with nonvolatile external-SRAM control —
Supervisory Functions CPU supervisor, watchdog timer, and microprocessor reset features —
Programmable Interrupts Yes —
Alarm Support Yes —
Daylight Saving Time Yes —
Leap-Year Handling Yes —
Battery Low Warning Yes —
Boîtier 28-pin SOIC, 0.295 inch body width, 7.50 mm width 28-pin SOIC, 0.295 inch width, 7.50 mm
Technology CMOS —
Terminal Count 28 terminals —
Plage de température de fonctionnement -40 C to +85 C —
Type de montage Surface mount Surface mount
Statut RoHS unknown [DATA_NEEDED: RoHS status]
REACH Status unknown [DATA_NEEDED: REACH status]
AEC-Q100 Qualification unknown —
Product Type — Parallel real-time clock and clock/calendar with CPU supervisor
MPN — BQ4845YS-A4N
Manufacturer — Texas Instruments
Crystal Frequency — 32.768 kHz
Battery Voltage Range — 2.3 V to 4 V
System Supply Condition — 4.5 V to 5.5 V for the stated timekeeping-current condition
Maximum Timekeeping Current — 1.5 mA at 4.5 V to 5.5 V
Backup Clock Operation Current — Less than 500 nA
Clock Format — BCD
Calendar Features — Leap year and daylight savings support
Supervisory Features — CPU supervisor and watchdog timer
Reset Features — Microprocessor reset and power-fail-related control functions
Nonvolatile Support — Battery-backup switchover and nonvolatile control for external SRAM
Backup Source — 3 V backup battery connection
Température de fonctionnement — [DATA_NEEDED: operating temperature range]
Pinout — 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet

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