74HC354

Semiconductor CD54HC354, CD74HC354, CD74HCT354 8-Line to 1-Line Data Selector/Multiplexer/Register SCHS277D - November 1997 - Revised May 2003 With 3-State Outputs [ /Title (CD74 HC354 , CD74 HCT35 4) /Subject (High Speed CMOS Logic 8-Input Multip lexer / Regis- Features Description HC/HCT354 - Transparent Data and Select Latches Buffered Inputs Three-State Complementary Outputs Bus Line Driving Capability Typical Propagation TA = 25oC Delay: VCC = 5V, CL = 15pF, - Data to Output = 18ns Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Wide Operating Temperature Range . . . -55oC to 125oC Balanced Propagation Delay and Transition Times Significant Power Reduction Compared to LSTTL Logic ICs HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH The CD54HC354, CD74HC354, and CD74HCT354 are data selectors/multiplexers that select one of eight sources. In both types, the data select bits S0, S1 and S2 are stored in transparent latches that are enabled by a low latch enable input, LE. In the HC/HCT354 the data enable input, E, controls transparent latches that pass data to the outputs when E is high and latches in new data when...