MC74LVX373DTR2G ON Semiconductor

MC74LVX373 Octal D-Type Latch with 3-State Outputs With 5VTolerant Inputs The MC74LVX373 is an advanced high speed CMOS octal latch MC74LVX373 1 OE 11 LE 2 nLE O0 3 Q D0 D 5 nLE O1 4 Q D1 D 6 nLE O2 7 Q D2 D 9 nLE O3 8 Q D3 D 12 nLE O4 13 Q D4 D 15 nLE O5 14 Q D5 D 16 nLE O6 17 Q D6 D 19 nLE O7 18 Q D7 D Figure 1. Logic Diagram INPUTS OUTPUTS OE LE Dn On OPERATING MODE L H H H Transparent (Latch Disabled) Read Latch L H L L L L h H Latched (Latch Enabled) Read Latch L L l L L L X NC Hold Read Latch H L X Z Hold Disabled Outputs H H H Z Transparent (Latch Disabled) Disabled Out- H H L Z puts H L h Z Latched (Latch Enabled) Disabled Outputs H L l Z H = High Voltage Level h = High Voltage Level One Setup Time Prior to the Latch Enable HightoLow Transition L = Low Voltage Level l = Low Voltage Level One Setup Time Prior to the Latch Enable HightoLow Transition NC = No Change, State Prior to the Latch Enable HightoLow Transition X = High or Low Voltage Level or Transitions are Acceptable Z = High Impedance State For I Reasons DO NOT CC FLOAT Inputs