BQ4845S-A4NTR vs BQ4845S-A4NTRG4 So sánh
So sánh chi tiết song song của BQ4845S-A4NTR 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-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845S-A4NTR UnknownTexas Instruments
BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI
BQ4845S-A4NTRG4 ✓ Hoạt độngSo sánh thông số kỹ thuật
| Tham số | BQ4845S-A4NTR | BQ4845S-A4NTRG4 |
|---|---|---|
| Thương hiệu | Texas Instruments | Texas Instruments |
| Danh mục | Clock & Timing | Clock & Timing |
| Trạng thái vòng đời | Unknown | Hoạt động |
| 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 | — |
| 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 | — |
| Hộp | 28-pin SOIC, 0.295 inch body width, 7.50 mm width | 28-pin SOIC, 7.50 mm width |
| 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 | Surface mount |
| Trạng thái RoHS | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | unknown | [DATA_NEEDED: AEC-Q100 qualification] |
| Product Type | — | Parallel real-time clock and 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 |
| 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 |
| 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 |