BQ4845YS-A4G4 vs BQ4845YS-A4N So sánh
So sánh chi tiết song song của BQ4845YS-A4G4 bằng Texas Instruments và BQ4845YS-A4N 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
BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4G4 ✓ Hoạt độngTexas Instruments
BQ4845YS-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4N ✓ Hoạt độngSo sánh thông số kỹ thuật
| Tham số | BQ4845YS-A4G4 | BQ4845YS-A4N |
|---|---|---|
| Thương hiệu | Texas Instruments | Texas Instruments |
| Danh mục | Clock & Timing | Clock & Timing |
| Trạng thái vòng đời | Hoạt động | Hoạt động |
| Product Type | Real-time clock and calendar with CPU supervisor | Parallel real-time clock and clock/calendar with CPU supervisor |
| RTC Interface | Parallel | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Backup Battery Voltage | 3 V | — |
| System Supply Voltage | 5 V | — |
| Date Format | BCD | — |
| Clock Format | BCD | BCD |
| Hộp | 28-SOIC (0.295 inch, 7.50 mm width) | 28-pin SOIC, 0.295 inch width, 7.50 mm |
| Terminal Count | 28 terminals | — |
| Kiểu lắp đặt | 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 | — |
| Trạng thái RoHS | [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] | — |
| MPN | — | BQ4845YS-A4N |
| Manufacturer | — | Texas Instruments |
| Crystal Frequency | — | 32.768 kHz |
| 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 |
| Giao diện | — | 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 |
| Nhiệt độ hoạt động | — | [DATA_NEEDED: operating temperature range] |
| Pinout | — | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet |