54FCT574 NSC [National Semiconductor], 54FCT574 Datasheet

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54FCT574

Manufacturer Part Number
54FCT574
Description
Octal D-Type Flip-Flop with TRI-STATE Outputs
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 1999 National Semiconductor Corporation
54FCT574
Octal D-Type Flip-Flop with TRI-STATE
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.
Ordering Code
Connection Diagrams
TRI-STATE
54FCT574DMQB
54FCT574FMQB
54FCT574LMQB
®
is a registered trademark of National Semiconductor Corporation.
Military
Pin Assignment for DIP and Flatpak
Pin Assignment
for LCC
Package Number
DS100966-1
DS100966-2
W20A
E20A
J20A
DS100966
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Features
n Inputs and outputs on opposite sides of package
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
n TTL input and output level compatible
n CMOS power consumption
n Standard Microcircuit Drawing (SMD) 5962-8951301
Pin Descriptions
D
CP
OE
O
Names
allowing easy interface with microprocessors
12 mA
0
0
Pin
–D
–O
7
7
Data Inputs
Clock Pulse Input
TRI-STATE Output Enable
TRI-STATE Outputs
Package Description
(Active Rising Edge)
Input (Active LOW)
®
Description
Outputs
October 1999
www.national.com

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54FCT574 Summary of contents

Page 1

... LOW-to-HIGH Clock (CP) transition. The device is functionally identical to the ’FCT374 except for the pinouts. Ordering Code Military Package Number 54FCT574DMQB J20A 54FCT574FMQB W20A 54FCT574LMQB E20A Connection Diagrams Pin Assignment for DIP and Flatpak DS100966-1 Pin Assignment for LCC DS100966-2 TRI-STATE ® ...

Page 2

Functional Description The ’FCT574 consists of eight edge-triggered flip-flops with individual D-type inputs and TRI-STATE true outputs. The buffered clock and buffered Output Enable are common to all flip-flops. The eight flip-flops will store the state of their indi- vidual ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic V Pin Potential to Ground Pin CC Input ...

Page 4

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH PHL n t Output Enable Time PZH t PZL t Output Disable Time PHZ t PLZ AC Operating Requirements Symbol Parameter t (H) Setup Time, HIGH s ...

Page 5

AC Loading DS100966-4 *Includes jig and probe capacitance FIGURE 1. Standard AC Test Load FIGURE 4. Propagation Delay Waveforms for Inverting and Non-Inverting Functions FIGURE 6. TRI-STATE Output HIGH and LOW Enable and Disable Times FIGURE 2. V Input Pulse ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted www.national.com 20-Terminal Ceramic Chip Carrier (L) NS Package Number E20A 20-Lead Ceramic Dual-In-Line Package (D) NS Package Number J20A 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL ...

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