BQ4845S-A4N vs BQ4845YP-A4 So sánh
So sánh chi tiết song song của BQ4845S-A4N bằng Texas Instruments và BQ4845YP-A4 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-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4N UnknownTexas Instruments
BQ4845YP-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YP-A4 UnknownSo sánh thông số kỹ thuật
| Tham số | BQ4845S-A4N | BQ4845YP-A4 |
|---|---|---|
| Thương hiệu | Texas Instruments | Texas Instruments |
| Danh mục | Clock & Timing | Clock & Timing |
| Trạng thái vòng đời | Unknown | Unknown |
| Device Type | Real-time clock (RTC) with CPU supervisor | — |
| Timekeeping Format | Seconds through years in BCD format | — |
| Calendar Capability | 100-year calendar | — |
| Giao diện | 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 | Yes |
| Hộp | 28-pin SOIC, 0.295 inch body width, 7.50 mm width | 28-DIP, 0.600 inch (15.24 mm) |
| Technology | CMOS | — |
| Terminal Count | 28 terminals | — |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Kiểu lắp đặt | Surface mount | Through-hole |
| Trạng thái RoHS | unknown | — |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | unknown | — |
| Product Type | — | Parallel real-time clock and calendar with CPU supervisor |
| Điện áp cung cấp | — | 5 V |
| Backup Battery Voltage | — | 3 V |
| Crystal Frequency | — | 32.768 kHz |
| Clock Accuracy | — | [DATA_NEEDED: clock accuracy] |
| Calendar Format | — | BCD, counting seconds through years |
| Real-Time Clock Count | — | 1 timer |
| Backup Operating Current | — | Less than 500 nA |
| Alarm Function | — | Yes |
| Daylight Savings Correction | — | Yes |
| Leap-Year Calculation | — | Yes |
| Watchdog Timer | — | Yes |
| Microprocessor Reset | — | Yes |
| External SRAM Control | — | Nonvolatile write-protect and backup-retention control |
| Conditional Chip Enable Output | — | CEOUT |
| Battery Voltage Output | — | VOUT |
| Termination Count | — | 28 |
| RoHS Compliance | — | RoHS compliant |
| Supplier Lifecycle Status | — | [DATA_NEEDED: lifecycle status] |