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The AC/ACT253 is a dual 4-input multiplexer with 3-STATE outputs. It can select two bits of data from four sources using common select inputs. The outputs may be individually switched to a high impedance state with a HIGH on the respective Output Enable (OE) inputs, allowing the outputs to interface directly with bus oriented systems.
74AC253SJ Maximum Ratings
Supply Voltage (VCC).................. −0.5V to +7.0V DC Input Diode Current (IIK) VI = −0.5V ......................................... −20 mA VI = VCC + 0.5V................................. +20 mA DC Input Voltage (VI) .........−0.5V to VCC + 0.5V DC Output Diode Current (IOK) VO = −0.5V........................................ −20 mA VO = VCC + 0.5V +20 mA DC Output Voltage (VO) ......−0.5V to VCC + 0.5V DC Output Source or Sink Current (IO)............................ ±50 mA DC VCC or Ground Current per Output Pin (ICC or IGND)............... ±50 mA Storage Temperature (TSTG)... −65°C to +150°C Junction Temperature (TJ) PDIP ......................................................140°C
74AC253SJ Features
ICC and IOZ reduced by 50% Multifunction capability Non inverting 3-STATE outputs Outputs source/sink 24 mA ACT253 has TTL-compatible inputs