BQ4845YS-A4N vs BQ4845S-A4N Comparação
Comparação detalhada lado a lado de BQ4845YS-A4N por Texas Instruments e BQ4845S-A4N por Texas Instruments. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Texas Instruments
BQ4845YS-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4N ✓ AtivoTexas Instruments
BQ4845S-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4N UnknownComparação de especificações
| Parâmetro | BQ4845YS-A4N | BQ4845S-A4N |
|---|---|---|
| Marca | Texas Instruments | Texas Instruments |
| Categoria | Clock & Timing | Clock & Timing |
| Status do ciclo de vida | Ativo | Unknown |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $0,00 | $0,00 |
| Product Type | Parallel real-time clock and clock/calendar with CPU supervisor | — |
| 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 | — |
| Interface | Parallel | Parallel SRAM-compatible clock/calendar and control interface |
| Clock Format | BCD | — |
| 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 | — |
| Encapsulamento | 28-pin SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 0.295 inch body width, 7.50 mm width |
| Tipo de montagem | Surface mount | Surface mount |
| Status RoHS | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| Temperatura de operação | [DATA_NEEDED: operating temperature range] | — |
| Pinout | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet | — |
| Device Type | — | Real-time clock (RTC) with CPU supervisor |
| Timekeeping Format | — | Seconds through years in BCD format |
| Calendar Capability | — | 100-year calendar |
| 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 |
| Technology | — | CMOS |
| Terminal Count | — | 28 terminals |
| Faixa de temperatura de operação | — | -40 C to +85 C |
| AEC-Q100 Qualification | — | unknown |