SN74CBTLV3257 低压 4 位 2 选 1 FET 多路复用器/多路解复用器
The SN74CBTLV3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.
The select (S) input controls the data flow. The FET multiplexers/demultiplexers are disabled when the output-enable (OE\) input is high.
This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.
To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver
| SN74CBTLV3257 | |
| Voltage Nodes(V) | 3.3, 2.5 |
| Vcc range(V) | 2.3 to 3.6 |
| ron(max)(ohms) | 7 |
| tpd max(ns) | 0.25 |
| Rating | Catalog |
| Technology Family | CBTLV |
SN74CBTLV3257 特性
- 5-
Switch Connection Between Two Ports
- Rail-to-Rail Switching on Data I/O Ports
- Ioff Supports Partial-Power-Down Mode Operation
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
SN74CBTLV3257 芯片订购指南
| 器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| SN74CBTLV3257D | ACTIVE | -40 to 85 | 0.48 | 1ku | SOIC (D) | 16 | 40 | TUBE | |
| SN74CBTLV3257DE4 | ACTIVE | -40 to 85 | 0.48 | 1ku | SOIC (D) | 16 | 40 | TUBE | |
| SN74CBTLV3257DG4 | ACTIVE | -40 to 85 | 0.48 | 1ku | SOIC (D) | 16 | 40 | TUBE | |
| SN74CBTLV3257DR | ACTIVE | -40 to 85 | 0.40 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R | |
| SN74CBTLV3257DRE4 | ACTIVE | -40 to 85 | 0.40 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R | |
| SN74CBTLV3257DRG4 | ACTIVE | -40 to 85 | 0.40 | 1ku | SOIC (D) | 16 | 2500 | LARGE T&R |
SN74CBTLV3257 质量与无铅数据
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| SN74CBTLV3257D | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257D | SN74CBTLV3257D |
| SN74CBTLV3257DE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257DE4 | SN74CBTLV3257DE4 |
| SN74CBTLV3257DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257DG4 | SN74CBTLV3257DG4 |
| SN74CBTLV3257DR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257DR | SN74CBTLV3257DR |
| SN74CBTLV3257DRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257DRE4 | SN74CBTLV3257DRE4 |
| SN74CBTLV3257DRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74CBTLV3257DRG4 | SN74CBTLV3257DRG4 |
SN74CBTLV3257 应用技术支持与电子电路设计开发资源下载
- SN74CBTLV3257 数据资料 dataSheet 下载.PDF
- TI 德州仪器信号开关产品选型与价格 . xls
- Logic Guide 2009 (PDF 4263 KB)
- 防止模拟开关的额外功耗 (PDF 392 KB) (PDF 1305 KB)
- Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
- TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
- Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
- CMOS Power Consumption and CPD Calculation (PDF 89 KB)
- Designing With Logic (PDF 186 KB)
- Live Insertion (PDF 150 KB)
- Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
- Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)