mc74ac257 ON Semiconductor, mc74ac257 Datasheet
mc74ac257
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mc74ac257 Summary of contents
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... MC74AC257, MC74ACT257 Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer with 3−state outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (noninverted) form. The outputs may be switched ...
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... Figure 2. Logic Symbol FUNCTIONAL DESCRIPTION The MC74AC257/74ACT257 is a quad 2−input multiplexer with 3−state outputs. It selects four bits of data from two sources under control of a Common Data Select input. When the Select input is LOW, the I selected and when Select is HIGH, the I selected ...
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NOTE: This diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. Figure 3. Logic Diagram http://onsemi.com I ...
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MAXIMUM RATINGS* Symbol V DC Supply Voltage (Referenced to GND Input Voltage (Referenced to GND Output Voltage (Referenced to GND) OUT I DC Input Current, per Pin Output Sink/Source Current, per ...
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DC CHARACTERISTICS Symbol Parameter V Minimum High Level IH Input Voltage V Maximum Low Level IL Input Voltage V Minimum High Level OH Output Voltage V Maximum Low Level OL Output Voltage I Maximum Input IN Leakage Current I Maximum ...
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... AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol Parameter Propagation Delay t PLH Propagation Delay t PHL Propagation Delay t PLH Propagation Delay t PHL Output Enable Time PZH ...
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DC CHARACTERISTICS Symbol Parameter V Minimum High Level IH Input Voltage V Maximum Low Level IL Input Voltage V Minimum High Level OH Output Voltage V Maximum Low Level OL Output Voltage I Maximum Input IN Leakage Current DI Additional ...
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... Output Enable Time PZH t Output Enable Time PZL t Output Disable Time PHZ t Output Disable Time PLZ *Voltage Range 5 5.0 V ±0.5 V. CAPACITANCE Symbol Parameter C Input Capacitance IN C Power Dissipation Capacitance PD DIP−16 MC74AC257N AWLYYWW MC74ACT257N AWLYYWW 74ACT +25° (V) L Min Typ 5.0 1.5 5.0 5.0 2.0 6 ...
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0.25 (0.010) M −A− −T− SEATING PLANE 0.25 (0.010 PACKAGE DIMENSIONS PDIP−16 N ...
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K 16X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 −V− C 0.10 (0.004) −T− SEATING D PLANE ...
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Notes http://onsemi.com 11 ...
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... USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 12 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. MC74AC257/D ...