Datasheet Texas Instruments UCC3946PWTR — 数据表
| 制造商 | Texas Instruments |
| 系列 | UCC3946 |
| 零件号 | UCC3946PWTR |
带看门狗定时器8-TSSOP的微处理器监控器0至70
数据表
Microprocessor Supervisor with Watchdog Timer datasheet
PDF, 1.2 Mb, 修订版: F, 档案已发布: Nov 21, 2007
从文件中提取
价格
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 8 |
| Package Type | PW |
| Industry STD Term | TSSOP |
| JEDEC Code | R-PDSO-G |
| Package QTY | 2000 |
| Carrier | LARGE T&R |
| Device Marking | 3946 |
| Width (mm) | 4.4 |
| Length (mm) | 3 |
| Thickness (mm) | 1 |
| Pitch (mm) | .65 |
| Max Height (mm) | 1.2 |
| Mechanical Data | 下载 |
参数化
| # of Supplies Monitored | 1 |
| Iq(Typ) | 10 uA |
| Monitored Voltage 1 (typ)(Nom) | Adjustable V |
| Monitored Voltage 2 (typ)(Nom) | N/A V |
| Operating Temperature Range | 0 to 70 C |
| Output Driver Type / Reset Output | Active-low,Push-pull |
| Package Group | TSSOP |
| Package Size: mm2:W x L | 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) PKG |
| Rating | Catalog |
| Reset Threshold Accuracy | 2 % |
| Special Features | Watchdog Timer |
| Threshold Voltage 1(Typ) | Adjustable V |
| Threshold Voltage 2 (typ)(Typ) | N/A V |
| Time Delay | Programmable ms |
| VCC(Max) | 5.5 V |
| VCC(Min) | 2 V |
| Watchdog Timer WDI | Programmable sec |
生态计划
| RoHS | Compliant |
应用须知
- Disabling the Watchdog Timer for TI's Family of SupervisorsPDF, 138 Kb, 档案已发布: Oct 30, 2003
In many microprocessor applications where a watchdog supervisor, such as the TPS3306, is required, it may be necessary to disable the watchdog. This is particularly true when software boot times exceed the watchdog time-out period. This application note describes a circuit that can be used to selectively disable the watchdog timer. - Optimizing Resistor Dividers at a Comparator (Rev. A)PDF, 120 Kb, 修订版: A, 档案已发布: Jun 3, 2013
模型线
系列: UCC3946 (8)
- UCC3946D UCC3946DTR UCC3946N UCC3946NG4 UCC3946PW UCC3946PWG4 UCC3946PWTR UCC3946PWTRG4
制造商分类
- Semiconductors > Power Management > Supervisor and Reset IC