BQ4285EP vs BQ4845P-A4 比較
詳細な並列比較: BQ4285EP メーカー: Texas Instruments および BQ4845P-A4 メーカー: Texas Instruments。主要仕様、電気的特性、パッケージ、ライフサイクルステータス、価格、在庫状況を比較して、設計要件に最適な部品を判断してください。
仕様比較
| パラメータ | BQ4285EP | BQ4845P-A4 |
|---|---|---|
| ブランド | Texas Instruments | Texas Instruments |
| カテゴリ | Clock & Timing | Clock & Timing |
| ライフサイクル状態 | Unknown | 有効 |
| 在庫状況 | In Stock | In Stock |
| 単価（USD） | $1.70 | $0.00 |
| Product Type | Real-time clock and calendar with NVRAM control | Parallel real-time clock and calendar with CPU supervisor |
| Device Family | CMOS BQ4285E/L | — |
| General Nonvolatile Storage | 114 bytes | — |
| Calendar Capability | 100-year calendar | — |
| Clock/Calendar Format | BCD or binary | — |
| Supply Version | 3 V | — |
| パッケージ | 24-pin PDIP, 0.600-inch (15.24 mm) | 28-pin DIP, 0.600 inch / 15.24 mm pitch |
| Package Type | Through-hole PDIP | — |
| インターフェース | Parallel clock/calendar and NVRAM interface | Parallel |
| Interrupt Sources | 3 maskable interrupt sources | — |
| Square-Wave Output | Available | — |
| Auxiliary Output | 32.768 kHz output | — |
| Alarm Features | Alarm functionality | — |
| Wake-Up Capability | Available | — |
| Battery Operation | Supported | — |
| Legacy Compatibility | Direct clock/calendar replacement for IBM AT-compatible computers | — |
| Technology | CMOS | — |
| RoHS ステータス | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | [DATA_NEEDED: REACH status] |
| AEC-Q100 Status | unknown | — |
| Timekeeping | — | Seconds through years in BCD format |
| Calendar Range | — | 100 years |
| Crystal Interface | — | Direct connection for 32.768 kHz quartz crystal |
| Backup Battery | — | 3 V backup battery connection |
| Backup Current | — | Less than 500 nA in backup mode |
| CPU Supervision | — | Integrated microprocessor supervisor and reset |
| Watchdog | — | Watchdog timer function |
| Alarm | — | Alarm functionality |
| Daylight Saving | — | Daylight-saving support |
| Leap Year | — | Leap-year compensation |
| External SRAM Support | — | Write-protect and nonvolatile support for external SRAM |
| Conditional Chip Enable | — | CEOUT output |
| Battery Voltage Output | — | VOUT output |
| 動作温度 | — | [DATA_NEEDED: operating temperature range] |