CD54HC354 - High Speed CMOS Logic 8-Input Multiplexer/Register with 3-State Outputs

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 E\ is low.

In both types the three-state outputs are controlled by three output-enable inputs OE1\, OE2\, and OE3.

Products containing the "CD54HC354" keyword are: CD54HC354F , CD54HC354F3A

• HC/HCT354
  • Transparent Data and Select Latches
• Buffered Inputs
• Three-State Complementary Outputs
• Bus Line Driving Capability
• Typical Propagation Delay: V_CC = 5V, C_L = 15pF, T_A = 25°C
  • Data to Output = 18ns
• Fanout (Over Temperature Range)
  • Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
  • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55°C to 125°C
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types
  • 2V to 6V Operation
  • High Noise Immunity: N_IL = 30%, N_IH = 30% of V_CC at V_CC = 5V
• HCT Types
  • 4.5V to 5.5V Operation
  • Direct LSTTL Input Logic Compatibility, V_IL = 0.8V (Max), V_IH = 2V (Min)
  • CMOS Input Compatibility, I_l 1µA at V_OL, V_OH