BQ4845YS-A4N vs BQ4845S-A4N Comparación

Comparación detallada lado a lado de BQ4845YS-A4N por Texas Instruments y BQ4845S-A4N por Texas Instruments. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.

Comparación de especificaciones

Parámetro BQ4845YS-A4N BQ4845S-A4N
Marca Texas Instruments Texas Instruments
Categoría Clock & Timing Clock & Timing
Estado del ciclo de vida Activo Unknown
Estado del stock In Stock In Stock
Precio unitario (USD) $0,00 $0,00
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 —
Interfaz Parallel Parallel SRAM-compatible clock/calendar and control interface
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 —
Encapsulado 28-pin SOIC, 0.295 inch width, 7.50 mm 28-pin SOIC, 0.295 inch body width, 7.50 mm width
Tipo de montaje Surface mount Surface mount
Estado RoHS [DATA_NEEDED: RoHS status] unknown
REACH Status [DATA_NEEDED: REACH status] unknown
Temperatura de funcionamiento [DATA_NEEDED: operating temperature range] —
Pinout 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet —
Device Type — Real-time clock (RTC) with CPU supervisor
Timekeeping Format — Seconds through years in BCD format
Calendar Capability — 100-year calendar
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
Technology — CMOS
Terminal Count — 28 terminals
Rango de temperatura de funcionamiento — -40 C to +85 C
AEC-Q100 Qualification — unknown

Hojas de datos y recursos

Examinar todos los productos Crear BOM Solicitar cotización