BQ4845S-A4NTRG4 vs BQ4845YS-A4NTR 比較
詳細並排比較 BQ4845S-A4NTRG4 由 Texas Instruments 與 BQ4845YS-A4NTR 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-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845YS-A4NTR ✓ 啟用中規格比較
| 參數 | BQ4845S-A4NTRG4 | BQ4845YS-A4NTR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Clock & Timing | Clock & Timing |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 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 | — |
| 封裝 | 28-pin SOIC, 7.50 mm width | 28-pin SOIC, 0.295 inch width, 7.50 mm |
| 安裝類型 | 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 | — |
| RoHS 狀態 | [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] | — |
| 工作溫度範圍 | [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 |
| 介面 | — | 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 |
| 工作溫度 | — | [DATA_NEEDED: operating temperature range] |
| Pinout | — | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet |