(China (Mainland))
Product Summary
The PI5C3257QX is a Multiplexer/Demultiplexer Bus Switch. The PI5C3257QX is produced in the Company’s advanced 0.8 micron CMOS technology, achieving industry leading performance. The PI5C3257QX is a Quad 2:1 multiplexer/demultiplexer with three state outputs that is pinout and function compatible with the PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be connected to outputs with low on resistance (5W) with no additional ground bounce noise or propagation delay.
Parametrics
PI5C3257QX absolute maximum ratings: (1)Storage Temperature: –55℃ to +125℃; (2)Ambient Temperature with Power Applied:–40℃ to +85℃; (3)Supply Voltage to Ground Potential (Inputs and Vcc Only):–0.5V to +7.0V; (4)Supply Voltage to Ground Potential (Outputs and D/O Only):–0.5V to +7.0V; (5) DC Input Voltage: -0.5V to +7.0V; (6) DC Output Current: 120 mA; (7) Power Dissipation: 0.5W.
Features
PI5C3257QX features: (1)Near zero propagation delay; (2)5W switches connect inputs to outputs; (3)Direct bus connection when switches are ON; (4)Ultra Low Quiescent Power (0.2μA Typical); (5)Ideally suited for notebook applications; (6)Pin compatible with 74 series 257 logic devices.
Diagrams
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