BQ4845S-A4NTR vs BQ4845YS-A4NTR Perbandingan

Perbandingan bersamaan detil BQ4845S-A4NTR dari Texas Instruments dan BQ4845YS-A4NTR dari Texas Instruments. Bandingkan spesifikasi penting, parameter listrik, pengemasan, status cycle, harga, dan ketersediaan untuk menentukan komponen terbaik untuk kebutuhan desain Anda.

Perbandingan Spesifikasi

Parameter Umum BQ4845S-A4NTR BQ4845YS-A4NTR
Merek Texas Instruments Texas Instruments
Kategori Clock & Timing Clock & Timing
Status Lingkungan Hidup Unknown Aktif
Device Type Real-time clock (RTC) with CPU supervisor —
Timekeeping Format Seconds through years in BCD format —
Calendar Capability 100-year calendar —
Antarmuka 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 —
Paket 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 —
Rentang Suhu Kerja -40 C to +85 C —
Tipe Mounting Surface mount Surface mount
Status 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-A4NTR
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
Suhu Kerja — [DATA_NEEDED: operating temperature range]
Pinout — 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet

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