54FCT573 NSC [National Semiconductor], 54FCT573 Datasheet

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54FCT573

Manufacturer Part Number
54FCT573
Description
Octal D-Type Latch with TRI-STATE Outputs
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 1999 National Semiconductor Corporation
54FCT573
Octal D-Type Latch with TRI-STATE
General Description
The ’FCT573 is an octal latch with buffered common Latch
Enable (LE) and buffered common Output Enable (OE) in-
puts.
This device is functionally identical to the ’FCT373 but has
different pinouts.
Ordering Code
Connection Diagram
TRI-STATE
54FCT573DMQB
54FCT573FMQB
54FCT573LMQB
®
is a registered trademark of National Semiconductor Corporation.
Military
for DIP and Cerpack
Pin Assignment
DS100951-1
DS100951
J20A
W20A
E20A
Package
Number
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 allow
n Useful as input or output port for microprocessors
n TTL input and output level compatible
n CMOS power consumption
n Functionally identical to ’FCT373
n TRI-STATE outputs for bus interfacing
n Output sink capability of 32 mA, source capability of
n Standard Microcircuit Drawing (SMD) 5962-8863901
D
LE
OE
O
easy interface with microprocessors
12 mA
0
0
Names
–D
–O
Pin
7
7
®
Data Inputs
Latch Enable Input (Active HIGH)
TRI-STATE Output Enable Input
(Active LOW)
TRI-STATE Latch Outputs
Outputs
Package Description
Pin Assignment
for LCC
Description
DS100951-39
www.national.com
August 1998

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54FCT573 Summary of contents

Page 1

... Enable (LE) and buffered common Output Enable (OE) in- puts. This device is functionally identical to the ’FCT373 but has different pinouts. Ordering Code Military 54FCT573DMQB 54FCT573FMQB 54FCT573LMQB Connection Diagram Pin Assignment for DIP and Cerpack DS100951-1 TRI-STATE ® registered trademark of National Semiconductor Corporation. ...

Page 2

Functional Description The ’FCT573 contains eight D-type latches with TRI-STATE output buffers. When the Latch Enable (LE) input is HIGH, data on the D inputs enters the latches. In this condition the n latches are transparent, i.e., a latch output ...

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 CC Ground Pin Input ...

Page 4

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH PHL Propagation Delay PLH PHL n t Output Enable Time PZH t PZL t Output Disable Time PHZ t Time ...

Page 5

AC Loading DS100951-4 *Includes jig and probe capacitance FIGURE 1. Test Load FIGURE 2. Test Input Signal Levels Amplitude Rep. Rate 3.0V 1 MHz 500 ns 2.5 ns FIGURE 3. Test Input Signal Requirements DS100951-8 FIGURE 4. ...

Page 6

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