BQ4845YS-A4G4 vs BQ4845S-A4N 比較

詳細並排比較 BQ4845YS-A4G4 由 Texas Instruments 與 BQ4845S-A4N 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 BQ4845YS-A4G4 BQ4845S-A4N
品牌 Texas Instruments Texas Instruments
類別 Clock & Timing Clock & Timing
生命週期狀態 啟用中 Unknown
Product Type Real-time clock and calendar with CPU supervisor —
RTC Interface Parallel —
Clock Crystal Frequency 32.768 kHz 32.768 kHz
Backup Battery Voltage 3 V —
System Supply Voltage 5 V —
Date Format BCD —
Clock Format BCD —
封裝 28-SOIC (0.295 inch, 7.50 mm width) 28-pin SOIC, 0.295 inch body width, 7.50 mm width
Terminal Count 28 terminals 28 terminals
安裝類型 Surface mount Surface mount
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 —
RoHS 狀態 [DATA_NEEDED: RoHS status] unknown
REACH Status [DATA_NEEDED: REACH status] unknown
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] unknown
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
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
工作溫度範圍 — -40 C to +85 C

資料表與資源

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