74HC574D_16 Datasheet

Octal D-type flip-flop; positive edge-trigger; 3-state


General description
The 74HC574; 74HCT574 is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs. The device features a clock (CP) and output enable (OE) inputs. The flip-flops will store the state of their individual D-inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Features and benefits
■ Input levels:
   ♦ For 74HC574: CMOS level
   ♦ For 74HCT574: TTL level
■ 3-state non-inverting outputs for bus oriented applications
■ 8-bit positive, edge-triggered register
■ Common 3-state output enable input
■ Complies with JEDEC standard no. 7 A
■ Multiple package options
■ ESD protection:
   ♦ HBM JESD22-A114F exceeds 2 000 V
   ♦ MM JESD22-A115-A exceeds 200 V
■ Specified from -40°C to +85°C and from -40°C  to +125 °C



Manufacturer information

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