74HC257 IC - (SMD Package) - Quad 2-input multiplexer IC (74257 IC)
74HC257 IC - (SMD Package) - Quad 2-input multiplexer IC (74257 IC)
The 74HC257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features:- • Non-inverting data path • 3-state outputs interface directly with system bus • Complies with
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The 74HC257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features:- • Non-inverting data path • 3-state outputs interface directly with system bus • Complies with JEDEC standard no. 7A • Input levels: - For 74HC257: CMOS level - For 74HCT257: TTL level • ESD protection: - HBM JESD22-A114F exceeds 2000 V - MM JESD22-A115-A exceeds 200 V • Multiple package options Specification:- Symbol Parameter Value Units VCC Supply Voltage – 0.5 to + 7.0 V IIK input clamping current ±20 mA IOK output clamping current ±20 mA IO output current ±35 mA ICC supply current ±70 mA Related Document:- 74HC257 SMD Data Sheet
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74HC257 IC - (SMD Package) - Quad 2-input multiplexer IC (74257 IC)