BQ4845YS-A4NTR vs BQ4845S-A4NTRG4 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ BQ4845YS-A4NTR بواسطة Texas Instruments و BQ4845S-A4NTRG4 بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
Texas Instruments
BQ4845YS-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845YS-A4NTR ✓ نشطمقارنة المواصفات
| المعامل | BQ4845YS-A4NTR | BQ4845S-A4NTRG4 |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Clock & Timing | Clock & Timing |
| حالة دورة الحياة | نشط | نشط |
| Product Type | Parallel real-time clock and clock/calendar with CPU supervisor | Parallel real-time clock and calendar with CPU supervisor |
| MPN | BQ4845YS-A4NTR | — |
| Manufacturer | Texas Instruments | — |
| Crystal Frequency | 32.768 kHz | 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 | — |
| الواجهة | Parallel | — |
| Clock Format | BCD | 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 | — |
| العلبة | 28-pin SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 7.50 mm width |
| نوع التركيب | Surface mount | Surface mount |
| حالة RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| درجة حرارة التشغيل | [DATA_NEEDED: operating temperature range] | — |
| Pinout | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet | — |
| Main Supply Voltage Range | — | 4.75 V to 5.5 V |
| Backup Battery Voltage Range | — | 2.3 V to 4 V |
| 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 |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |
| نطاق درجة حرارة التشغيل | — | [DATA_NEEDED: operating temperature range] |