BQ4802YDWR vs BQ4802YDWRG4 对比
详细并排对比 BQ4802YDWR 出自 Texas Instruments 和 BQ4802YDWRG4 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。
规格对比
| 参数 | BQ4802YDWR | BQ4802YDWRG4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| Product Type | Real-time clock and calendar IC with CPU supervisor | — |
| Operating Voltage Variant | 5 V operation for bq4802Y | — |
| Timekeeping Format | BCD format | — |
| Calendar Capability | Counts seconds through centuries | Century-based calendar, Y2K-compliant |
| Backup Mode Clock Operating Current | Less than 500 nA | — |
| Backup Function | On-chip battery-backup switchover circuit | — |
| Nonvolatile Control | Nonvolatile control for external SRAM | — |
| Supervisor Function | CPU supervisor | — |
| 接口 | Parallel | — |
| 封装 | 28-pin SOIC | 28-pin SOIC, 0.295 inch (7.50 mm) width |
| Package Width | 7.50 mm (0.295 in) | — |
| 安装类型 | Surface mount | Surface mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Clock Accuracy | [DATA_NEEDED: clock accuracy] | — |
| 电源电流 | [DATA_NEEDED: normal operating supply current] | — |
| Supervisor Threshold | [DATA_NEEDED: supervisor reset threshold] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Halogen-Free Status | [DATA_NEEDED: halogen-free status] | — |
| Device Type | — | Real-time clock and calendar with CPU supervisor |
| 接口类型 | — | Parallel |
| 电源电压 | — | 5 V |
| Supply Monitoring | — | Temperature-compensated reference and comparator |
| Out-of-Tolerance Response | — | Interrupt warning followed by microprocessor reset |
| External NVSRAM Control | — | Supported |
| Power Category | — | Low-power microprocessor peripheral |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Crystal Frequency | — | [DATA_NEEDED: crystal frequency] |
| Battery-Backed Current | — | [DATA_NEEDED: battery-backed current] |
| Active Current | — | [DATA_NEEDED: active current] |
| Power-On Reset Delay | — | [DATA_NEEDED: power-on reset delay] |
| Reset Pulse Width | — | [DATA_NEEDED: reset pulse width] |
| Absolute Maximum Supply Voltage | — | [DATA_NEEDED: absolute maximum supply voltage] |
| Input Logic Levels | — | [DATA_NEEDED: input logic levels] |
| I2C Interface | — | Not specified in verified data |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |