BQ4845YS-A4G4 vs BQ4845S-A4N 对比
详细并排对比 BQ4845YS-A4G4 出自 Texas Instruments 和 BQ4845S-A4N 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4G4 ✓ 量产中Texas Instruments
BQ4845S-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4N Unknown规格对比
| 参数 | BQ4845YS-A4G4 | BQ4845S-A4N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | Unknown |
| Product Type | Real-time clock and calendar with CPU supervisor | — |
| RTC Interface | Parallel | — |
| Clock Crystal Frequency | 32.768 kHz | 32.768 kHz |
| Backup Battery Voltage | 3 V | — |
| System Supply Voltage | 5 V | — |
| Date Format | BCD | — |
| Clock Format | BCD | — |
| 封装 | 28-SOIC (0.295 inch, 7.50 mm width) | 28-pin SOIC, 0.295 inch body width, 7.50 mm width |
| Terminal Count | 28 terminals | 28 terminals |
| 安装类型 | 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 | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | unknown |
| Device Type | — | Real-time clock (RTC) with CPU supervisor |
| Timekeeping Format | — | Seconds through years in BCD format |
| Calendar Capability | — | 100-year calendar |
| 接口 | — | Parallel SRAM-compatible clock/calendar and control interface |
| 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 |
| Technology | — | CMOS |
| 工作温度范围 | — | -40 C to +85 C |