BQ4845S-A4NTRG4 vs BQ4845YS-A4NTR Comparação

Comparação detalhada lado a lado de BQ4845S-A4NTRG4 por Texas Instruments e BQ4845YS-A4NTR por Texas Instruments. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.

Texas Instruments
BQ4845S-A4NTRG4 BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI

BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI

BQ4845S-A4NTRG4 ✓ Ativo

Comparação de especificações

Parâmetro BQ4845S-A4NTRG4 BQ4845YS-A4NTR
Marca Texas Instruments Texas Instruments
Categoria Clock & Timing Clock & Timing
Status do ciclo de vida Ativo Ativo
Product Type Parallel real-time clock and calendar with CPU supervisor Parallel real-time clock and clock/calendar with CPU supervisor
Main Supply Voltage Range 4.75 V to 5.5 V —
Backup Battery Voltage Range 2.3 V to 4 V —
Crystal Frequency 32.768 kHz 32.768 kHz
Clock Format BCD BCD
Date Format BCD —
Host Interface Parallel —
Encapsulamento 28-pin SOIC, 7.50 mm width 28-pin SOIC, 0.295 inch width, 7.50 mm
Tipo de montagem Surface mount Surface mount
Operating Features Alarm, daylight-saving time, leap year, watchdog timer, processor reset, interrupt, and battery-low warning —
Calendar Range 100 years —
Backup Clock Operating Current Less than 500 nA —
Watchdog Input Bias Approximately 1.6 V through a 100 kilohm-equivalent internal resistor network —
Battery Voltage Output VOUT output available —
External SRAM Control CEOUT write-protection output available —
Power-Fail Behavior Watchdog disabled and WDI disconnected from the internal resistor network below the power-fail threshold —
Status RoHS [DATA_NEEDED: RoHS status] [DATA_NEEDED: RoHS status]
REACH Status [DATA_NEEDED: REACH status] [DATA_NEEDED: REACH status]
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] —
Faixa de temperatura de operação [DATA_NEEDED: operating temperature range] —
MPN — BQ4845YS-A4NTR
Manufacturer — Texas Instruments
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
Interface — Parallel
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
Temperatura de operação — [DATA_NEEDED: operating temperature range]
Pinout — 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet

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