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54FCT574 Datasheet

Part Number 54FCT574
Manufacturers National Semiconductor
Logo National Semiconductor
Description Octal D-Type Flip-Flop
Datasheet 54FCT574 Datasheet54FCT574 Datasheet (PDF)

54FCT574 Octal D-Type Flip-Flop with TRI-STATE Outputs October 1999 54FCT574 Octal D-Type Flip-Flop with TRI-STATE® Outputs General Description The ’FCT574 is an octal flip-flop with a buffered common Clock (CP) and a buffered common Output Enable (OE). The information presented to the D inputs is stored in the flip-flops on the LOW-to-HIGH Clock (CP) transition. The device is functionally identical to the ’FCT374 except for the pinouts. Features n Inputs and outputs on opposite sides of pac.

  54FCT574   54FCT574






Part Number 54FCT573
Manufacturers National Semiconductor
Logo National Semiconductor
Description Octal D-Type Latch
Datasheet 54FCT574 Datasheet54FCT573 Datasheet (PDF)

54FCT573 Octal D-Type Latch with TRI-STATE Outputs August 1998 54FCT573 Octal D-Type Latch with TRI-STATE® Outputs General Description The ’FCT573 is an octal latch with buffered common Latch Enable (LE) and buffered common Output Enable (OE) inputs. This device is functionally identical to the ’FCT373 but has different pinouts. Features n Inputs and outputs on opposite sides of package allow easy interface with microprocessors n Useful as input or output port for microprocessors n TTL input.

  54FCT574   54FCT574







Octal D-Type Flip-Flop

54FCT574 Octal D-Type Flip-Flop with TRI-STATE Outputs October 1999 54FCT574 Octal D-Type Flip-Flop with TRI-STATE® Outputs General Description The ’FCT574 is an octal flip-flop with a buffered common Clock (CP) and a buffered common Output Enable (OE). The information presented to the D inputs is stored in the flip-flops on the LOW-to-HIGH Clock (CP) transition. The device is functionally identical to the ’FCT374 except for the pinouts. Features n Inputs and outputs on opposite sides of package allowing easy interface with microprocessors n Useful as input or output port for microprocessors n Functionally identical to ’FCT374 n TRI-STATE outputs for bus-oriented applications n Output sink capability of 32 mA, source capability of 12 mA n TTL input and output level compatible n CMOS power consumption n Standard Microcircuit Drawing (SMD) 5962-8951301 Ordering Code Military 54FCT574DMQB 54FCT574FMQB 54FCT574LMQB Package Number J20A W20A E20A Connection Diagrams Pin Assignment for DIP and Flatpak Package Description 20-Lead Ceramic Dual-In-Line 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier, Type C Pin Descriptions Pin Names D0– D7 CP OE O0– O7 Description Data Inputs Clock Pulse Input (Active Rising Edge) TRI-STATE Output Enable Input (Active LOW) TRI-STATE Outputs DS100966-1 Pin Assignment for LCC DS100966-2 TRI-STATE® is a registered trademark of National Semiconductor Corporation. © 1999 National Semiconductor Corporation DS100966 www.national.com 54.


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