BQ4845S-A4N vs BQ4845YS-A4G4 比較

詳細並排比較 BQ4845S-A4N 由 Texas Instruments 與 BQ4845YS-A4G4 由 Texas Instruments. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況,以找出最符合您設計需求的元件。

Texas Instruments
BQ4845YS-A4G4 BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments

BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments

BQ4845YS-A4G4 ✓ 啟用中

規格比較

參數 BQ4845S-A4N BQ4845YS-A4G4
品牌 Texas Instruments Texas Instruments
類別 Clock & Timing Clock & Timing
生命週期狀態 Unknown 啟用中
Device Type Real-time clock (RTC) with CPU supervisor —
Timekeeping Format Seconds through years in BCD format —
Calendar Capability 100-year calendar —
介面 Parallel SRAM-compatible clock/calendar and control interface —
Clock Crystal Frequency 32.768 kHz 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 —
封裝 28-pin SOIC, 0.295 inch body width, 7.50 mm width 28-SOIC (0.295 inch, 7.50 mm width)
Technology CMOS —
Terminal Count 28 terminals 28 terminals
工作溫度範圍 -40 C to +85 C —
安裝類型 Surface mount Surface mount
RoHS 狀態 unknown [DATA_NEEDED: RoHS status]
REACH Status unknown [DATA_NEEDED: REACH status]
AEC-Q100 Qualification unknown [DATA_NEEDED: AEC-Q100 qualification]
Product Type — Real-time clock and calendar with CPU supervisor
RTC Interface — Parallel
Backup Battery Voltage — 3 V
System Supply Voltage — 5 V
Date Format — BCD
Clock Format — BCD
Terminal Form — Gull wing
Package Shape — Rectangular
Temperature Grade — Commercial
Integrated Functions — RTC, calendar, CPU supervisor, watchdog timer, and nonvolatile SRAM control
Chip Enable Output — Conditional chip-enable output (CEOUT)
Battery Voltage Output — VOUT
Backup Behavior — Backup cell powers the RTC and maintains external SRAM information in the absence of system voltage
Manufacturer Part Number — BQ4845YS-A4G4

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