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SN74LS244N 数据表(PDF) 2 Page - Motorola, Inc |
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SN74LS244N 数据表(HTML) 2 Page - Motorola, Inc |
2 / 6 page 5-388 FAST AND LS TTL DATA SN54/74LS240 • SN54/74LS241 • SN54/74LS244 TRUTH TABLES SN54 / 74LS240 INPUTS OUTPUT 1G, 2G D OUTPUT L L H L H X H L (Z) SN54 / 74LS244 INPUTS OUTPUT 1G, 2G D OUTPUT L L H L H X L H (Z) SN54 / 74LS241 INPUTS OUTPUT INPUTS OUTPUT 1G D OUTPUT 2G D OUTPUT L L H L H X L H (Z) H H L L H X L H (Z) H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = HIGH Impedance GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 54 74 4.5 4.75 5.0 5.0 5.5 5.25 V TA Operating Ambient Temperature Range 54 74 – 55 0 25 25 125 70 °C IOH Output Current — High 54, 74 – 3.0 mA OH 54 74 – 12 – 15 mA IOL Output Current — Low 54 74 12 24 mA |
类似零件编号 - SN74LS244N |
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类似说明 - SN74LS244N |
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