BQ4845S-A4G4 vs BQ4845S-A4NTRG4 So sánh
So sánh chi tiết song song của BQ4845S-A4G4 bằng Texas Instruments và BQ4845S-A4NTRG4 bằng Texas Instruments. So sánh các thông số quan trọng, thông số điện tử, gói gọn, trạng thái vòng đời, giá cả và khả năng cung cấp để xác định linh kiện tốt nhất cho yêu cầu thiết kế của bạn.
Texas Instruments
BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI
BQ4845S-A4NTRG4 ✓ Hoạt độngSo sánh thông số kỹ thuật
| Tham số | BQ4845S-A4G4 | BQ4845S-A4NTRG4 |
|---|---|---|
| Thương hiệu | Texas Instruments | Texas Instruments |
| Danh mục | Clock & Timing | Clock & Timing |
| Trạng thái vòng đời | Unknown | Hoạt động |
| Product Type | Real-time clock and calendar IC with CPU supervisor | Parallel real-time clock and calendar with CPU supervisor |
| Clock Interface | Parallel | — |
| Timekeeping Crystal Frequency | 32.768 kHz | — |
| Backup Battery | 3 V | — |
| Calendar Range | 100 years | 100 years |
| Hộp | 28-SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 7.50 mm width |
| Kiểu lắp đặt | Surface mount | Surface mount |
| Supervisor Functions | CPU supervisor and watchdog timer | — |
| Alarm and Interrupt Functions | Alarm and interrupt functions | — |
| External Memory Control | Conditional chip-enable output CEOUT | — |
| Battery Monitoring | Battery voltage output VOUT | — |
| Backup Retention | Maintains external SRAM information in the absence of system voltage | — |
| System-Level Use | Battery-backed system timing and power-failure monitoring | — |
| Khoảng nhiệt độ hoạt động | [DATA_NEEDED: Operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Supply Voltage Range | [DATA_NEEDED: Supply voltage range] | — |
| Điện áp yên tĩnh | [DATA_NEEDED: Quiescent current] | — |
| Timekeeping Accuracy | [DATA_NEEDED: Timekeeping accuracy] | — |
| Trạng thái RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| 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 |
| Clock Format | — | BCD |
| Date Format | — | BCD |
| Host Interface | — | Parallel |
| Operating Features | — | Alarm, daylight-saving time, leap year, watchdog timer, processor reset, interrupt, and battery-low warning |
| 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 |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |