DS1501WEN+ vs DS1338Z-33+ 对比
详细并排对比 DS1501WEN+ 出自 Analog Devices 和 DS1338Z-33+ 出自 Analog Devices。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 | DS1501WEN+ | DS1338Z-33+ |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| 功能 | Real-Time Clock (RTC) with alarm, watchdog, NV SRAM | — |
| 存储容量 | 256 bytes NV SRAM | — |
| Date Format | YY-MM-DD (Y2K-compliant with century register) | YY-MM-DD-dd |
| Time Format | HH:MM:SS (BCD) | — |
| 接口 | Parallel (byte-wide) | — |
| Supply Voltage (VCC) | 3.0 V to 3.6 V (3.3 V typ) | — |
| Battery Supply (VBAT) | 2.5 V to 3.7 V (typ coin cell) | — |
| Oscillator Frequency | 32.768 kHz | — |
| Programmable Alarms | Day-of-week / date / time | — |
| Watchdog Timer | Yes (programmable timeout) | — |
| Power-On Reset | Yes | — |
| Battery Monitor | Yes (switchover + low-battery flag) | — |
| 工作温度 | -40 C to +85 C | — |
| 封装 | 28-TSSOP (11.80 mm width, 0.65 mm pitch) | 8-SOIC, 0.154 inch, 3.90 mm width |
| 安装类型 | Surface Mount | Surface mount |
| MSL 等级 | 1 | — |
| RoHS 状态 | Compliant | — |
| Lead-Free | Yes | — |
| Device Type | — | Real-time clock and calendar IC |
| Supply Voltage Range | — | 3 V to 5.5 V |
| Serial Interface | — | I²C, 2-wire serial |
| Calendar Format | — | Full binary-coded decimal (BCD) |
| Nonvolatile Memory | — | 56 bytes NV SRAM |
| Stored Time Fields | — | Seconds, minutes, hours, day, date, month, and year |
| Month-End Handling | — | Automatic adjustment for months with fewer than 31 days |
| Temperature Format | — | HH:MM:SS, 12-hour and 24-hour |
| Backup Timekeeping | — | Battery backup |
| Square-Wave Output | — | Available |
| Programmable I²C Address | — | [DATA_NEEDED: programmable I2C address configuration] |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| I²C Maximum Bus Frequency | — | [DATA_NEEDED: I2C maximum bus frequency] |
| RTC Accuracy | — | [DATA_NEEDED: RTC accuracy] |
| Operating Current | — | [DATA_NEEDED: operating current] |
| NV SRAM Write Endurance | — | [DATA_NEEDED: NV SRAM write endurance] |