
CD54HC574 Series
High Speed CMOS Logic Octal Positive-Edge Triggered D-Type Flip-Flops with 3-State Outputs
Manufacturer: Texas Instruments
Catalog
High Speed CMOS Logic Octal Positive-Edge Triggered D-Type Flip-Flops with 3-State Outputs
Key Features
• Buffered inputsCommon three-state output enable controlThree-state outputsBus line driving capabilityTypical propagation delay (clock to Q) = 15 ns at VCC= 5 V, CL= 15 pF, TA= 25℃Fanout (over temperature range)Standard outputs: 10 LSTTL loadsBus driver outputs: 15 LSTTL loadsWide operating temperature range: –55℃ to 125℃Balanced propagation delay and transition timesSignificant power reduction compared to LSTTL Logic ICsHC types2-V to 6-V operationHigh noise immunity: NIL= 30%, NIH= 30% of VCCat VCC= 5 VHCT types4.5-V to 5.5-V OperationDirect LSTTL input logic compatibility, VIL= 0.8 V (max), VIH= 2 V (min)CMOS input compatibility, II≤ 1µA at VOL, VOHBuffered inputsCommon three-state output enable controlThree-state outputsBus line driving capabilityTypical propagation delay (clock to Q) = 15 ns at VCC= 5 V, CL= 15 pF, TA= 25℃Fanout (over temperature range)Standard outputs: 10 LSTTL loadsBus driver outputs: 15 LSTTL loadsWide operating temperature range: –55℃ to 125℃Balanced propagation delay and transition timesSignificant power reduction compared to LSTTL Logic ICsHC types2-V to 6-V operationHigh noise immunity: NIL= 30%, NIH= 30% of VCCat VCC= 5 VHCT types4.5-V to 5.5-V OperationDirect LSTTL input logic compatibility, VIL= 0.8 V (max), VIH= 2 V (min)CMOS input compatibility, II≤ 1µA at VOL, VOH