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74HCT244N Octal buffer/line driver; 3-state PHILIPS

74HCT244PW Octal buffer/line driver; 3-state PHILIPS

74HCT245 Octal bus transceiver; 3-state PHILIPS

74HCT245 瑞斯特（RST）推出的74HCT245是一款八通道双向总线收发器，专门解决数据在两个独立总线之间高效、安全流转的问题。该器件内部集成了八组双向传输通道，由一个方向控制端（DIR）统一管理数据流向，并配备一个低电平有效的输出使能端（OE）来控制总线占用状态。当OE为高电平时，所有端口切换至高阻抗隔离状态。 RSTTEK

74HCT245A Octal 3State Noninverting Bus Transceiver with LSTTL Compatible Inputs ONSEMI

74HCT245BQ Octal bus transceiver; 3-state PHILIPS

74HCT245D Octal bus transceiver; 3-state PHILIPS

74HCT245DB Octal bus transceiver; 3-state PHILIPS

74HCT245N Octal bus transceiver; 3-state PHILIPS

74HCT245PW Octal bus transceiver; 3-state PHILIPS

74HCT251 8-input multiplexer; 3-state PHILIPS

74HCT251D 8-input multiplexer; 3-state PHILIPS

74HCT251DB 8-input multiplexer; 3-state PHILIPS

74HCT251N 8-input multiplexer; 3-state PHILIPS

74HCT251PW 8-input multiplexer; 3-state PHILIPS

74HCT253 Dual 4-input multiplexer; 3-state PHILIPS

74HCT253D Dual 4-input multiplexer; 3-state PHILIPS

74HCT253DB Dual 4-input multiplexer; 3-state PHILIPS