Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, CDIP20,
| 参数名称 | 属性值 |
| 厂商名称 | YAGEO(国巨) |
| 包装说明 | , |
| Reach Compliance Code | unknown |
| 系列 | LS |
| JESD-30 代码 | R-CDIP-T20 |
| 负载电容（CL） | 50 pF |
| 逻辑集成电路类型 | BUS DRIVER |
| 位数 | 4 |
| 功能数量 | 2 |
| 端口数量 | 2 |
| 端子数量 | 20 |
| 最高工作温度 | 125 °C |
| 最低工作温度 | -55 °C |
| 输出特性 | 3-STATE |
| 输出极性 | TRUE |
| 封装主体材料 | CERAMIC, METAL-SEALED COFIRED |
| 封装形状 | RECTANGULAR |
| 封装形式 | IN-LINE |
| 最大电源电流（ICC） | 46 mA |
| 传播延迟（tpd） | 23 ns |
| 认证状态 | Not Qualified |
| 最大供电电压 (Vsup) | 5.5 V |
| 最小供电电压 (Vsup) | 4.5 V |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | NO |
| 技术 | TTL |
| 温度等级 | MILITARY |
| 端子形式 | THROUGH-HOLE |
| 端子位置 | DUAL |
| Base Number Matches | 1 |
| 54LS244/BRA | 54S244/BSA | 54LS244/B2A | 54S244/BRA | 54LS244/BSA | 54S244/B2A | |
|---|---|---|---|---|---|---|
| 描述 | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, CDIP20, | Bus Driver, S Series, 2-Func, 4-Bit, True Output, TTL, CDFP20 | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, CQCC20, | Bus Driver, S Series, 2-Func, 4-Bit, True Output, TTL, CDIP20 | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, CDFP20, | Bus Driver, S Series, 2-Func, 4-Bit, True Output, TTL, CQCC20, |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| 系列 | LS | S | LS | S | LS | S |
| JESD-30 代码 | R-CDIP-T20 | R-CDFP-F20 | S-CQCC-N20 | R-CDIP-T20 | R-CDFP-F20 | S-CQCC-N20 |
| 负载电容（CL） | 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 |
| 位数 | 4 | 4 | 4 | 4 | 4 | 4 |
| 功能数量 | 2 | 2 | 2 | 2 | 2 | 2 |
| 端口数量 | 2 | 2 | 2 | 2 | 2 | 2 |
| 端子数量 | 20 | 20 | 20 | 20 | 20 | 20 |
| 最高工作温度 | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C |
| 最低工作温度 | -55 °C | -55 °C | -55 °C | -55 °C | -55 °C | -55 °C |
| 输出特性 | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| 输出极性 | TRUE | TRUE | TRUE | TRUE | TRUE | TRUE |
| 封装主体材料 | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED |
| 封装形状 | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | SQUARE |
| 封装形式 | IN-LINE | FLATPACK | CHIP CARRIER | IN-LINE | FLATPACK | CHIP CARRIER |
| 最大电源电流（ICC） | 46 mA | 170 mA | 46 mA | 170 mA | 46 mA | 170 mA |
| 传播延迟（tpd） | 23 ns | 12 ns | 23 ns | 12 ns | 23 ns | 12 ns |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 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 |
| 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 |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | NO | YES | YES | NO | YES | YES |
| 技术 | TTL | TTL | TTL | TTL | TTL | TTL |
| 温度等级 | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY |
| 端子形式 | THROUGH-HOLE | FLAT | NO LEAD | THROUGH-HOLE | FLAT | NO LEAD |
| 端子位置 | DUAL | DUAL | QUAD | DUAL | DUAL | QUAD |
| 厂商名称 | YAGEO(国巨) | - | YAGEO(国巨) | - | YAGEO(国巨) | YAGEO(国巨) |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | - |
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