IC BUF NON-INVERT 5.5V 20DIP
| 参数名称 | 属性值 |
| 逻辑类型 | 缓冲器，非反向 |
| 元件数 | 2 |
| 每元件位数 | 4 |
| 输出类型 | 三态 |
| 电流 - 输出高，低 | 15mA，24mA |
| 电压 - 电源 | 4.5 V ~ 5.5 V |
| 工作温度 | 0°C ~ 70°C（TA） |
| 安装类型 | 通孔 |
| 封装/外壳 | 20-DIP（0.300"，7.62mm） |
| 供应商器件封装 | 20-PDIP |
| SN74ALS244CNG4 | SN74AS244AN | SN74AS244ADWR | SN74AS244ADW | SN74ALS244CN | SN74ALS244CDW | SN74ALS244C-1N | SN74ALS244C-1DW | SN74ALS244C-1DWR | |
|---|---|---|---|---|---|---|---|---|---|
| 描述 | IC BUF NON-INVERT 5.5V 20DIP | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 | Octal Buffers/Line Drivers with 3-State Outputs 20-PDIP 0 to 70 | Octal Buffers/Line Drivers with 3-State Outputs 20-SOIC 0 to 70 | Octal Buffers/Line Drivers with 3-State Outputs 20-PDIP 0 to 70 | Octal Buffers/Line Drivers with 3-State Outputs 20-SOIC 0 to 70 | Octal Buffers/Line Drivers with 3-State Outputs 20-SOIC 0 to 70 |
| Brand Name | - | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| 是否Rohs认证 | - | 不符合 | 符合 | 符合 | 符合 | 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) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) |
| 零件包装代码 | - | DIP | SOIC | SOIC | DIP | SOIC | DIP | SOIC | SOIC |
| 包装说明 | - | DIP, DIP20,.3 | SOP, SOP20,.4 | SOP, SOP20,.4 | DIP, DIP20,.3 | SOP, SOP20,.4 | DIP, DIP20,.3 | SOP, SOP20,.4 | SOP, SOP20,.4 |
| 针数 | - | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | - | compli | compli | compli | compli | compli | compli | compli | compli |
| ECCN代码 | - | EAR99 | EAR99 | - | EAR99 | EAR99 | EAR99 | - | EAR99 |
| Factory Lead Time | - | 1 week | 1 week | 1 week | 1 week | - | 1 week | 1 week | 6 weeks |
| 控制类型 | - | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
| 计数方向 | - | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| 系列 | - | AS | AS | AS | ALS | ALS | ALS | ALS | ALS |
| JESD-30 代码 | - | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 | R-PDIP-T20 | R-PDSO-G20 | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609代码 | - | e4 | e4 | e4 | e4 | e4 | e4 | e4 | e4 |
| 长度 | - | 25.4 mm | 12.8 mm | 12.8 mm | 25.4 mm | 12.8 mm | 25.4 mm | 12.8 mm | 12.8 mm |
| 负载电容（CL） | - | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| 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 | 0.024 A | 0.024 A | 0.048 A | 0.048 A | 0.048 A |
| 位数 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 功能数量 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 端口数量 | - | 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 | - | TRUE | TRUE | TRUE | TRUE | TRUE | TRUE | TRUE | TRUE |
| 封装主体材料 | - | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | - | DIP | SOP | SOP | DIP | SOP | DIP | SOP | SOP |
| 封装等效代码 | - | DIP20,.3 | SOP20,.4 | SOP20,.4 | DIP20,.3 | SOP20,.4 | DIP20,.3 | SOP20,.4 | SOP20,.4 |
| 封装形状 | - | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| 封装形式 | - | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| 包装方法 | - | TUBE | TR | TUBE | TUBE | TUBE | TUBE | TUBE | TR |
| 峰值回流温度（摄氏度） | - | NOT SPECIFIED | 260 | 260 | NOT SPECIFIED | 260 | NOT SPECIFIED | 260 | 260 |
| 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） | - | 90 mA | 90 mA | 90 mA | 24 mA | 24 mA | 24 mA | 24 mA | 24 mA |
| Prop。Delay @ Nom-Su | - | 6.2 ns | 6.2 ns | 6.2 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| 传播延迟（tpd） | - | 6.2 ns | 6.2 ns | 6.2 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| 认证状态 | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 座面最大高度 | - | 5.08 mm | 2.65 mm | 2.65 mm | 5.08 mm | 2.65 mm | 5.08 mm | 2.65 mm | 2.65 mm |
| 最大供电电压 (Vsup) | - | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 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 | 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 | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | - | NO | YES | YES | NO | YES | NO | YES | YES |
| 技术 | - | TTL | TTL | TTL | TTL | TTL | TTL | TTL | TTL |
| 温度等级 | - | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | 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) | 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 | - | THROUGH-HOLE | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING |
| 端子节距 | - | 2.54 mm | 1.27 mm | 1.27 mm | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| 端子位置 | - | DUAL | DUAL | DUAL | DUAL | 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 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| 宽度 | - | 7.62 mm | 7.5 mm | 7.5 mm | 7.62 mm | 7.5 mm | 7.62 mm | 7.5 mm | 7.5 mm |
| 是否无铅 | - | - | 不含铅 | 不含铅 | 不含铅 | 不含铅 | 不含铅 | 不含铅 | 不含铅 |
| 湿度敏感等级 | - | - | 1 | 1 | - | 1 | - | 1 | 1 |
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