IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,DIP,20PIN,PLASTIC
| 参数名称 | 属性值 |
| 是否Rohs认证 | 不符合 |
| 厂商名称 | National Semiconductor（TI ） |
| 包装说明 | DIP, DIP20,.3 |
| Reach Compliance Code | compliant |
| 控制类型 | ENABLE LOW |
| JESD-30 代码 | R-PDIP-T20 |
| JESD-609代码 | e0 |
| 逻辑集成电路类型 | BUS DRIVER |
| 最大I（ol） | 0.064 A |
| 位数 | 4 |
| 功能数量 | 2 |
| 端子数量 | 20 |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 输出特性 | 3-STATE |
| 输出极性 | INVERTED |
| 封装主体材料 | PLASTIC/EPOXY |
| 封装代码 | DIP |
| 封装等效代码 | DIP20,.3 |
| 封装形状 | RECTANGULAR |
| 封装形式 | IN-LINE |
| 电源 | 5 V |
| 最大电源电流（ICC） | 69 mA |
| Prop。Delay @ Nom-Sup | 5.6 ns |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | NO |
| 温度等级 | COMMERCIAL |
| 端子面层 | Tin/Lead (Sn/Pb) |
| 端子形式 | THROUGH-HOLE |
| 端子节距 | 2.54 mm |
| 端子位置 | DUAL |
| 74BCT240PCQR | 74BCT240SCQR | 74BCT240DC | 74BCT240DCQR | 74BCT240FC | 74BCT240FCQR | 74BCT240LCQR | 74BCT240LC | |
|---|---|---|---|---|---|---|---|---|
| 描述 | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,DIP,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,SOP,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,DIP,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,DIP,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,FP,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,FP,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,LLCC,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,BICMOS-TTL,LLCC,20PIN,CERAMIC |
| 是否Rohs认证 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 |
| 包装说明 | DIP, DIP20,.3 | SOP, SOP20,.4 | DIP, DIP20,.3 | DIP, DIP20,.3 | DFP, FL20,.3 | DFP, FL20,.3 | QCCN, LCC20,.35SQ | QCCN, LCC20,.35SQ |
| Reach Compliance Code | compliant | compliant | compliant | compliant | compliant | compliant | compliant | compliant |
| 控制类型 | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
| JESD-30 代码 | R-PDIP-T20 | R-PDSO-G20 | R-XDIP-T20 | R-XDIP-T20 | R-XDFP-F20 | R-XDFP-F20 | S-XQCC-N20 | S-XQCC-N20 |
| JESD-609代码 | e0 | e0 | e0 | e0 | e0 | e0 | e0 | e0 |
| 逻辑集成电路类型 | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| 最大I（ol） | 0.064 A | 0.064 A | 0.064 A | 0.064 A | 0.064 A | 0.064 A | 0.064 A | 0.064 A |
| 位数 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 功能数量 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 端子数量 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| 最高工作温度 | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| 输出特性 | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| 输出极性 | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED |
| 封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC | CERAMIC | CERAMIC | CERAMIC | CERAMIC | CERAMIC |
| 封装代码 | DIP | SOP | DIP | DIP | DFP | DFP | QCCN | QCCN |
| 封装等效代码 | DIP20,.3 | SOP20,.4 | DIP20,.3 | DIP20,.3 | FL20,.3 | FL20,.3 | LCC20,.35SQ | LCC20,.35SQ |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE |
| 封装形式 | IN-LINE | SMALL OUTLINE | IN-LINE | IN-LINE | FLATPACK | FLATPACK | CHIP CARRIER | CHIP CARRIER |
| 电源 | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 最大电源电流（ICC） | 69 mA | 69 mA | 69 mA | 69 mA | 69 mA | 69 mA | 69 mA | 69 mA |
| Prop。Delay @ Nom-Sup | 5.6 ns | 5.6 ns | 5.6 ns | 5.6 ns | 5.6 ns | 5.6 ns | 5.6 ns | 5.6 ns |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | NO | YES | NO | NO | YES | YES | YES | YES |
| 温度等级 | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| 端子面层 | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| 端子形式 | THROUGH-HOLE | GULL WING | THROUGH-HOLE | THROUGH-HOLE | FLAT | FLAT | NO LEAD | NO LEAD |
| 端子节距 | 2.54 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| 端子位置 | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | QUAD | QUAD |
| 厂商名称 | National Semiconductor（TI ） | - | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） |
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