型号
- 型号
- 关键词
| 型号 | DM74LS245N | 54LS245FMQB | 54LS245DMQB | 54LS245LMQB | DM74LS245WM | DM74LS245WMX |
|---|---|---|---|---|---|---|
| 描述 | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20 | IC LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP20, CERAMIC, FP-20, Bus Driver/Transceiver | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20 | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20 | LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20 |
| 零件包装代码 | DIP | DFP | DIP | QLCC | SOIC | SOIC |
| 包装说明 | DIP, DIP20,.3 | DFP, FL20,.3 | DIP, DIP20,.3 | QCCN, LCC20,.35SQ | SOP, SOP20,.4 | SOP, |
| 针数 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| 其他特性 | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V | WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V |
| 系列 | LS | LS | LS | LS | LS | LS |
| JESD-30 代码 | R-PDIP-T20 | R-GDFP-F20 | R-GDIP-T20 | S-CQCC-N20 | R-PDSO-G20 | R-PDSO-G20 |
| 负载电容（CL） | 45 pF | 45 pF | 45 pF | 45 pF | 45 pF | 45 pF |
| 逻辑集成电路类型 | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER |
| 位数 | 8 | 8 | 8 | 8 | 8 | 8 |
| 功能数量 | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 | 70 °C | 125 °C | 125 °C | 125 °C | 70 °C | 70 °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 | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | CERAMIC, METAL-SEALED COFIRED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | DIP | DFP | DIP | QCCN | SOP | SOP |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| 封装形式 | IN-LINE | FLATPACK | IN-LINE | CHIP CARRIER | SMALL OUTLINE | SMALL OUTLINE |
| 最大电源电流（ICC） | 90 mA | 90 mA | 90 mA | 90 mA | 90 mA | 90 mA |
| 传播延迟（tpd） | 12 ns | 12 ns | 12 ns | 12 ns | 12 ns | 12 ns |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 座面最大高度 | 5.08 mm | 2.286 mm | 5.08 mm | 1.905 mm | 2.65 mm | 2.65 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 |
| 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 |
| 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 | NO | YES | YES | YES |
| 技术 | TTL | TTL | TTL | TTL | TTL | TTL |
| 温度等级 | COMMERCIAL | MILITARY | MILITARY | MILITARY | COMMERCIAL | COMMERCIAL |
| 端子形式 | THROUGH-HOLE | FLAT | THROUGH-HOLE | NO LEAD | GULL WING | GULL WING |
| 端子节距 | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| 端子位置 | DUAL | DUAL | DUAL | QUAD | DUAL | DUAL |
| 宽度 | 7.62 mm | 6.731 mm | 7.62 mm | 8.89 mm | 7.5 mm | 7.5 mm |
| 控制类型 | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | - |
| 计数方向 | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | - |
| 长度 | 26.075 mm | - | 24.51 mm | 8.89 mm | 12.8 mm | 12.8 mm |
| 最大I（ol） | 0.024 A | 0.012 A | 0.012 A | 0.012 A | 0.024 A | - |
| 封装等效代码 | DIP20,.3 | FL20,.3 | DIP20,.3 | LCC20,.35SQ | SOP20,.4 | - |
| 电源 | 5 V | 5 V | 5 V | 5 V | 5 V | - |
| Prop。Delay @ Nom-Sup | 12 ns | 12 ns | 12 ns | 12 ns | 12 ns | - |
| 翻译 | N/A | N/A | N/A | N/A | N/A | - |
| Base Number Matches | - | 1 | 1 | 1 | 1 | 1 |
