型号 | SN74ALS1244A-1J | SN74ALS1244A-1FN | SN74ALS1244AFN | SN74ALS1244A-1NP1 | SN74ALS1244A-1N1 | SN54ALS1244AFH | SN54ALS1244FH |
---|---|---|---|---|---|---|---|
描述 | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,LDCC,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,LDCC,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,PLASTIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,LLCC,20PIN,CERAMIC | IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-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 |
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) | Texas Instruments(德州仪器) |
包装说明 | DIP, DIP20,.3 | QCCJ, LDCC20,.4SQ | QCCJ, LDCC20,.4SQ | DIP, DIP20,.3 | DIP, DIP20,.3 | QCCN, LCC20,.35SQ | QCCN, LCC20,.35SQ |
Reach Compliance Code | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant | _compli |
控制类型 | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
JESD-30 代码 | R-XDIP-T20 | S-PQCC-J20 | S-PQCC-J20 | R-PDIP-T20 | R-PDIP-T20 | S-XQCC-N20 | S-XQCC-N20 |
逻辑集成电路类型 | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
最大I(ol) | 0.024 A | 0.024 A | 0.016 A | 0.024 A | 0.024 A | 0.008 A | 0.008 A |
位数 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
功能数量 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
端子数量 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
最高工作温度 | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 125 °C | 125 °C |
输出特性 | 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 |
封装主体材料 | CERAMIC | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC | CERAMIC |
封装代码 | DIP | QCCJ | QCCJ | DIP | DIP | QCCN | QCCN |
封装等效代码 | DIP20,.3 | LDCC20,.4SQ | LDCC20,.4SQ | DIP20,.3 | DIP20,.3 | LCC20,.35SQ | LCC20,.35SQ |
封装形状 | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE |
封装形式 | IN-LINE | CHIP CARRIER | CHIP CARRIER | IN-LINE | IN-LINE | CHIP CARRIER | CHIP CARRIER |
电源 | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
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 | YES | NO | NO | YES | YES |
技术 | TTL | TTL | TTL | TTL | TTL | TTL | TTL |
温度等级 | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | MILITARY | MILITARY |
端子形式 | THROUGH-HOLE | J BEND | J BEND | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | NO LEAD |
端子节距 | 2.54 mm | 1.27 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm |
端子位置 | DUAL | QUAD | QUAD | DUAL | DUAL | QUAD | QUAD |
Prop。Delay @ Nom-Sup | 22 ns | 22 ns | 22 ns | 22 ns | 22 ns | 26 ns | - |