| 器件名 | 厂商 | 描 述 | 功能 |
|---|---|---|---|
| SN74F257D | Rochester Electronics | Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16, PLASTIC, SOIC-16 | 下载 |
| SN74F257D | Texas Instruments(德州仪器) | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | 下载 |
| SN74F257D3 | Texas Instruments(德州仪器) | IC,LOGIC MUX,QUAD,2-INPUT,F-TTL,SOP,16PIN,PLASTIC | 下载 |
| SN74F257DE4 | Rochester Electronics | Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16, PLASTIC, SOIC-16 | 下载 |
| SN74F257DE4 | Texas Instruments(德州仪器) | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slct/Mltpx W/3St Otp | 下载 |
| SN74F257DG4 | Texas Instruments(德州仪器) | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | 下载 |
| SN74F257DR | Texas Instruments(德州仪器) | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | 下载 |
| SN74F257DR | Rochester Electronics | Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16, PLASTIC, SOIC-16 | 下载 |
| SN74F257DRE4 | Texas Instruments(德州仪器) | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slct/Mltpx W/3St Otp | 下载 |
| SN74F257DRE4 | Rochester Electronics | Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16, PLASTIC, SOIC-16 | 下载 |
| SN74F257DRG4 | Texas Instruments(德州仪器) | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | 下载 |
| 对应元器件 | pdf文档资料下载 |
|---|---|
| SN74F257D 、 SN74F257DG4 、 SN74F257DR 、 SN74F257DRG4 | 下载文档 |
| SN74F257DE4 、 SN74F257DRE4 | 下载文档 |
| SN74F257D 、 SN74F257DR | 下载文档 |
| SN74F257DE4 、 SN74F257DRE4 | 下载文档 |
| SN74F257D3 | 下载文档 |
| 型号 | SN74F257DRG4 | SN74F257D | SN74F257DG4 | SN74F257DR |
|---|---|---|---|---|
| 描述 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 |
| Brand Name | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| 是否Rohs认证 | 符合 | 符合 | 符合 | 符合 |
| 零件包装代码 | SOIC | SOIC | SOIC | SOIC |
| 包装说明 | SOP, SOP16,.25 | PLASTIC, SOIC-16 | SOP, SOP16,.25 | SOP, SOP16,.25 |
| 针数 | 16 | 16 | 16 | 16 |
| Reach Compliance Code | compli | compli | compli | compli |
| 系列 | F/FAST | F/FAST | F/FAST | F/FAST |
| JESD-30 代码 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609代码 | e4 | e4 | e4 | e4 |
| 长度 | 9.9 mm | 9.9 mm | 9.9 mm | 9.9 mm |
| 负载电容(CL) | 50 pF | 50 pF | 50 pF | 50 pF |
| 逻辑集成电路类型 | MULTIPLEXER | MULTIPLEXER | MULTIPLEXER | MULTIPLEXER |
| 最大I(ol) | 0.024 A | 0.024 A | 0.024 A | 0.024 A |
| 湿度敏感等级 | 1 | 1 | 1 | 1 |
| 功能数量 | 4 | 4 | 4 | 4 |
| 输入次数 | 2 | 2 | 2 | 2 |
| 输出次数 | 1 | 1 | 1 | 1 |
| 端子数量 | 16 | 16 | 16 | 16 |
| 最高工作温度 | 70 °C | 70 °C | 70 °C | 70 °C |
| 输出特性 | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| 输出极性 | TRUE | TRUE | TRUE | TRUE |
| 封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | SOP | SOP | SOP | SOP |
| 封装等效代码 | SOP16,.25 | SOP16,.25 | SOP16,.25 | SOP16,.25 |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| 封装形式 | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| 峰值回流温度(摄氏度) | 260 | 260 | 260 | 260 |
| 电源 | 5 V | 5 V | 5 V | 5 V |
| 最大电源电流(ICC) | 23 mA | 23 mA | 22 mA | 23 mA |
| Prop。Delay @ Nom-Su | 7 ns | 7 ns | 15 ns | 7 ns |
| 传播延迟(tpd) | 9.5 ns | 9.5 ns | 9.5 ns | 9.5 ns |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 座面最大高度 | 1.75 mm | 1.75 mm | 1.75 mm | 1.75 mm |
| 最大供电电压 (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| 最小供电电压 (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | YES | YES | YES | YES |
| 技术 | TTL | TTL | TTL | TTL |
| 温度等级 | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| 端子面层 | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 端子形式 | GULL WING | GULL WING | GULL WING | GULL WING |
| 端子节距 | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| 端子位置 | DUAL | DUAL | DUAL | DUAL |
| 处于峰值回流温度下的最长时间 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| 宽度 | 3.91 mm | 3.91 mm | 3.9 mm | 3.91 mm |
| 是否无铅 | 不含铅 | 不含铅 | - | 不含铅 |
| 位数 | 4 | 4 | - | 4 |
| 包装方法 | TR | TUBE | - | TR |
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