Dual 4-input Positive-NAND buffers 14-PDIP 0 to 70
| 参数名称 | 属性值 |
| Brand Name | Texas Instruments |
| 是否无铅 | 含铅 |
| 是否Rohs认证 | 不符合 |
| 厂商名称 | Texas Instruments(德州仪器) |
| 零件包装代码 | DIP |
| 包装说明 | DIP, DIP14,.3 |
| 针数 | 14 |
| Reach Compliance Code | not_compliant |
| 系列 | TTL/H/L |
| JESD-30 代码 | R-PDIP-T14 |
| 长度 | 19.305 mm |
| 负载电容（CL） | 15 pF |
| 逻辑集成电路类型 | NAND GATE |
| 功能数量 | 2 |
| 输入次数 | 4 |
| 端子数量 | 14 |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 封装主体材料 | PLASTIC/EPOXY |
| 封装代码 | DIP |
| 封装等效代码 | DIP14,.3 |
| 封装形状 | RECTANGULAR |
| 封装形式 | IN-LINE |
| 峰值回流温度（摄氏度） | NOT SPECIFIED |
| 电源 | 5 V |
| 最大电源电流（ICC） | 27 mA |
| 传播延迟（tpd） | 22 ns |
| 认证状态 | Not Qualified |
| 施密特触发器 | NO |
| 座面最大高度 | 5.08 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 | NO |
| 技术 | TTL |
| 温度等级 | COMMERCIAL |
| 端子形式 | THROUGH-HOLE |
| 端子节距 | 2.54 mm |
| 端子位置 | DUAL |
| 处于峰值回流温度下的最长时间 | NOT SPECIFIED |
| 宽度 | 7.62 mm |
| Base Number Matches | 1 |
| SN7440N | SN54S40FK | SN54S40J | SN54LS40W | SN74S40N | SN74LS40N | SN54LS40FK | |
|---|---|---|---|---|---|---|---|
| 描述 | Dual 4-input Positive-NAND buffers 14-PDIP 0 to 70 | S SERIES, DUAL 4-INPUT NAND GATE, CQCC20, CERAMIC, LCC-20 | S SERIES, DUAL 4-INPUT NAND GATE, CDIP14, CERAMIC, DIP-14 | LS SERIES, DUAL 4-INPUT NAND GATE, CDFP14, FP-14 | Dual 4-input Positive-NAND buffers 14-PDIP 0 to 70 | Dual 4-input Positive-NAND buffers 14-PDIP 0 to 70 | LS SERIES, DUAL 4-INPUT NAND GATE, CQCC20, CERAMIC, LCC-20 |
| 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 |
| 零件包装代码 | DIP | QLCC | DIP | DFP | DIP | DIP | QLCC |
| 包装说明 | DIP, DIP14,.3 | QCCN, LCC20,.35SQ | DIP, DIP14,.3 | DFP, FL14,.3 | DIP, DIP14,.3 | DIP, DIP14,.3 | QCCN, LCC20,.35SQ |
| 针数 | 14 | 20 | 14 | 14 | 14 | 14 | 20 |
| Reach Compliance Code | not_compliant | _compli | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant |
| 系列 | TTL/H/L | S | S | LS | S | LS | LS |
| JESD-30 代码 | R-PDIP-T14 | S-CQCC-N20 | R-GDIP-T14 | R-GDFP-F14 | R-PDIP-T14 | R-PDIP-T14 | S-CQCC-N20 |
| 长度 | 19.305 mm | 8.89 mm | 19.56 mm | 9.21 mm | 19.305 mm | 19.305 mm | 8.89 mm |
| 负载电容（CL） | 15 pF | 50 pF | 50 pF | 45 pF | 50 pF | 45 pF | 45 pF |
| 逻辑集成电路类型 | NAND GATE | NAND GATE | NAND GATE | NAND GATE | NAND GATE | NAND GATE | NAND GATE |
| 功能数量 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 输入次数 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 端子数量 | 14 | 20 | 14 | 14 | 14 | 14 | 20 |
| 最高工作温度 | 70 °C | 125 °C | 125 °C | 125 °C | 70 °C | 70 °C | 125 °C |
| 最低工作温度 | - | -55 °C | -55 °C | -55 °C | - | - | -55 °C |
| 封装主体材料 | PLASTIC/EPOXY | CERAMIC, METAL-SEALED COFIRED | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC, METAL-SEALED COFIRED |
| 封装代码 | DIP | QCCN | DIP | DFP | DIP | DIP | QCCN |
| 封装等效代码 | DIP14,.3 | LCC20,.35SQ | DIP14,.3 | FL14,.3 | DIP14,.3 | DIP14,.3 | LCC20,.35SQ |
| 封装形状 | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE |
| 封装形式 | IN-LINE | CHIP CARRIER | IN-LINE | FLATPACK | IN-LINE | IN-LINE | CHIP CARRIER |
| 峰值回流温度（摄氏度） | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| 电源 | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 最大电源电流（ICC） | 27 mA | 44 mA | 44 mA | 6 mA | 44 mA | 6 mA | 6 mA |
| 传播延迟（tpd） | 22 ns | 6.5 ns | 6.5 ns | 24 ns | 6.5 ns | 24 ns | 24 ns |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 施密特触发器 | NO | NO | NO | NO | NO | NO | NO |
| 座面最大高度 | 5.08 mm | 2.03 mm | 5.08 mm | 2.03 mm | 5.08 mm | 5.08 mm | 2.03 mm |
| 最大供电电压 (Vsup) | 5.25 V | 5.5 V | 5.5 V | 5.5 V | 5.25 V | 5.25 V | 5.5 V |
| 最小供电电压 (Vsup) | 4.75 V | 4.5 V | 4.5 V | 4.5 V | 4.75 V | 4.75 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 |
| 表面贴装 | NO | YES | NO | YES | NO | NO | YES |
| 技术 | TTL | TTL | TTL | TTL | TTL | TTL | TTL |
| 温度等级 | COMMERCIAL | MILITARY | MILITARY | MILITARY | COMMERCIAL | COMMERCIAL | MILITARY |
| 端子形式 | THROUGH-HOLE | NO LEAD | THROUGH-HOLE | FLAT | THROUGH-HOLE | THROUGH-HOLE | NO LEAD |
| 端子节距 | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm |
| 端子位置 | DUAL | QUAD | DUAL | DUAL | DUAL | DUAL | QUAD |
| 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 |
| 宽度 | 7.62 mm | 8.89 mm | 7.62 mm | 6.29 mm | 7.62 mm | 7.62 mm | 8.89 mm |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 是否无铅 | 含铅 | - | 含铅 | - | 含铅 | 含铅 | - |
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