BQ4845S-A4G4 vs BQ4845S-A4NG4 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ BQ4845S-A4G4 بواسطة Texas Instruments و BQ4845S-A4NG4 بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | BQ4845S-A4G4 | BQ4845S-A4NG4 |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Clock & Timing | Clock & Timing |
| حالة دورة الحياة | Unknown | Unknown |
| Product Type | Real-time clock and calendar IC with CPU supervisor | — |
| Clock Interface | Parallel | — |
| Timekeeping Crystal Frequency | 32.768 kHz | — |
| Backup Battery | 3 V | — |
| Calendar Range | 100 years | — |
| العلبة | 28-SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 7.50 mm width |
| نوع التركيب | Surface mount | — |
| Supervisor Functions | CPU supervisor and watchdog timer | — |
| Alarm and Interrupt Functions | Alarm and interrupt functions | — |
| External Memory Control | Conditional chip-enable output CEOUT | — |
| Battery Monitoring | Battery voltage output VOUT | — |
| Backup Retention | Maintains external SRAM information in the absence of system voltage | — |
| System-Level Use | Battery-backed system timing and power-failure monitoring | — |
| نطاق درجة حرارة التشغيل | [DATA_NEEDED: Operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: Supply voltage range] | — |
| تيار السكون | [DATA_NEEDED: Quiescent current] | — |
| Timekeeping Accuracy | [DATA_NEEDED: Timekeeping accuracy] | — |
| حالة RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Device Type | — | Parallel real-time clock with CPU supervisor |
| Clock IC Type | — | Real-time clock (RTC) |
| نوع الواجهة | — | Parallel |
| Clock Format | — | BCD |
| Date Format | — | BCD |
| Calendar | — | 100-year calendar |
| Crystal Frequency | — | 32.768 kHz |
| System Supply Voltage | — | 5 V |
| Backup Battery Voltage | — | 3 V |
| عدد الأطراف | — | 28 pins |
| درجة حرارة التشغيل | — | -40°C to +85°C |
| Integrated Functions | — | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning |
| External SRAM Support | — | Conditional chip enable output (CEOUT) and battery voltage output (VOUT) |
| Alarm Capability | — | Supported |
| Daylight Saving Support | — | Supported |
| Leap-Year Handling | — | Supported |