Bus Transceivers Octal Bus Transcvrs & Reg
| 参数名称 | 属性值 |
| 是否无铅 | 不含铅 |
| 是否Rohs认证 | 符合 |
| 厂商名称 | Texas Instruments(德州仪器) |
| 零件包装代码 | SOIC |
| 包装说明 | GREEN, PLASTIC, SOIC-24 |
| 针数 | 24 |
| Reach Compliance Code | unknown |
| 其他特性 | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA |
| 控制类型 | INDEPENDENT CONTROL |
| 计数方向 | BIDIRECTIONAL |
| 系列 | LS |
| JESD-30 代码 | R-PDSO-G24 |
| JESD-609代码 | e4 |
| 长度 | 15.4 mm |
| 负载电容（CL） | 45 pF |
| 逻辑集成电路类型 | REGISTERED BUS TRANSCEIVER |
| 湿度敏感等级 | 1 |
| 位数 | 8 |
| 功能数量 | 1 |
| 端口数量 | 2 |
| 端子数量 | 24 |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 输出特性 | 3-STATE |
| 输出极性 | TRUE |
| 封装主体材料 | PLASTIC/EPOXY |
| 封装代码 | SOP |
| 封装等效代码 | SOP24,.4 |
| 封装形状 | RECTANGULAR |
| 封装形式 | SMALL OUTLINE |
| 峰值回流温度（摄氏度） | 260 |
| 电源 | 5 V |
| 最大电源电流（ICC） | 165 mA |
| 传播延迟（tpd） | 35 ns |
| 认证状态 | Not Qualified |
| 座面最大高度 | 2.65 mm |
| 最大供电电压 (Vsup) | 5.25 V |
| 最小供电电压 (Vsup) | 4.75 V |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | YES |
| 技术 | TTL |
| 温度等级 | COMMERCIAL |
| 端子面层 | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 端子形式 | GULL WING |
| 端子节距 | 1.27 mm |
| 端子位置 | DUAL |
| 处于峰值回流温度下的最长时间 | NOT SPECIFIED |
| 翻译 | N/A |
| 触发器类型 | POSITIVE EDGE |
| 宽度 | 7.5 mm |
| SN74LS646DWE4 | SN74LS648NTE4 | SN74LS646NTE4 | SN74LS646DWG4 | SN74LS646 | |
|---|---|---|---|---|---|
| 描述 | Bus Transceivers Octal Bus Transcvrs & Reg | Bus Transceivers Octal Bus Transcvrs & Reg | Bus Transceivers Octal Bus Transcvrs & Reg | Bus Transceivers Octal bus transceivr and registers | SN74LS646 Octal bus transceivers and registers |
| 是否无铅 | 不含铅 | 不含铅 | 不含铅 | 不含铅 | - |
| 是否Rohs认证 | 符合 | 符合 | 符合 | 符合 | - |
| 厂商名称 | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | - |
| 零件包装代码 | SOIC | DIP | DIP | SOIC | - |
| 包装说明 | GREEN, PLASTIC, SOIC-24 | 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-24 | 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-24 | GREEN, PLASTIC, SOIC-24 | - |
| 针数 | 24 | 24 | 24 | 24 | - |
| Reach Compliance Code | unknown | unknown | unknown | unknown | - |
| 其他特性 | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA | DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA | - |
| 控制类型 | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | - |
| 计数方向 | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | - |
| 系列 | LS | LS | LS | LS | - |
| JESD-30 代码 | R-PDSO-G24 | R-PDIP-T24 | R-PDIP-T24 | R-PDSO-G24 | - |
| JESD-609代码 | e4 | e4 | e4 | e4 | - |
| 长度 | 15.4 mm | 31.64 mm | 31.64 mm | 15.4 mm | - |
| 逻辑集成电路类型 | REGISTERED BUS TRANSCEIVER | REGISTERED BUS TRANSCEIVER | REGISTERED BUS TRANSCEIVER | REGISTERED BUS TRANSCEIVER | - |
| 位数 | 8 | 8 | 8 | 8 | - |
| 功能数量 | 1 | 1 | 1 | 1 | - |
| 端口数量 | 2 | 2 | 2 | 2 | - |
| 端子数量 | 24 | 24 | 24 | 24 | - |
| 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 | INVERTED | TRUE | TRUE | - |
| 封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | - |
| 封装代码 | SOP | DIP | DIP | SOP | - |
| 封装等效代码 | SOP24,.4 | DIP24,.3 | DIP24,.3 | SOP24,.4 | - |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | - |
| 封装形式 | SMALL OUTLINE | IN-LINE | IN-LINE | SMALL OUTLINE | - |
| 峰值回流温度（摄氏度） | 260 | NOT SPECIFIED | NOT SPECIFIED | 260 | - |
| 电源 | 5 V | - | 5 V | 5 V | - |
| 传播延迟（tpd） | 35 ns | 40 ns | 35 ns | 35 ns | - |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | - |
| 座面最大高度 | 2.65 mm | 5.08 mm | 5.08 mm | 2.65 mm | - |
| 最大供电电压 (Vsup) | 5.25 V | 5.25 V | 5.25 V | 5.25 V | - |
| 最小供电电压 (Vsup) | 4.75 V | 4.75 V | 4.75 V | 4.75 V | - |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | - |
| 表面贴装 | YES | NO | NO | 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 | THROUGH-HOLE | THROUGH-HOLE | GULL WING | - |
| 端子节距 | 1.27 mm | 2.54 mm | 2.54 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 | - |
| 翻译 | N/A | N/A | N/A | N/A | - |
| 触发器类型 | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | - |
| 宽度 | 7.5 mm | 7.62 mm | 7.62 mm | 7.5 mm | - |
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