SN74LS646 Octal bus transceivers and registers
| 参数名称 | 属性值 |
| Bits(#) | 8 |
| Technology Family | LS |
| tpd @ nom Voltage(Max)(ns) | 20 |
| Rating | Catalog |
| IOL(Max)(mA) | 24 |
| VCC(Max)(V) | 5.25 |
| Voltage(Nom)(V) | 5 |
| Approx. price(US$) | 3.41 | 1ku |
| IOH(Max)(mA) | -15 |
| VCC(Min)(V) | 4.75 |
| F @ nom voltage(Max)(Mhz) | 35 |
| Operating temperature range(C) | 0 to 70 |
| Schmitt trigger | No |
| Package Group | SOIC|24 |
| ICC @ nom voltage(Max)(mA) | 0.165 |
| SN74LS646 | SN74LS646DWE4 | SN74LS648NTE4 | SN74LS646NTE4 | SN74LS646DWG4 | |
|---|---|---|---|---|---|
| 描述 | SN74LS646 Octal bus transceivers and registers | 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 |
| 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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