54FCT533D NSC [National Semiconductor], 54FCT533D Datasheet

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54FCT533D

Manufacturer Part Number
54FCT533D
Description
Octal Transparent Latch with TRI-STATE Outputs
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 1998 National Semiconductor Corporation
54FCT533
Octal Transparent Latch with TRI-STATE
General Description
The FCT533 consists of eight latches with TRI-STATE out-
puts for bus organized system applications. The flip-flops ap-
pear transparent to the data when Latch Enable (LE) is
HIGH. When LE is low, the data satisfying the input timing re-
quirements is latched. Data appears on the bus when the
Output Enable (OE) is LOW. When OE is HIGH, the bus out-
put is in the high impedance state.
Logic Symbols
TRI-STATE
FACT
is a trademark of Fairchild Semiconductor Corporation.
®
is a registered trademark of National Semiconductor Corporation.
DS100969
DS100969-1
D
LE
OE
O
Names
0
0
–D
–O
Pin
7
7
Data Inputs
Latch Enable Input
Output Enable Input
TRI-STATE Latch
Outputs
Description
Features
n Eight latches in a single package
n TTL input and output level compatible
n CMOS power consumption
n TRI-STATE outputs drive bus lines or buffer memory
n Output sink capability of 32mA, source capability of 12
n Inverted version of the FCT373
n Standard Microcircuit Drawing (SMD) 5962-8865101
address registers
mA
®
IEEE/IEC
Outputs
DS100969-2
September 1998
www.national.com

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54FCT533D Summary of contents

Page 1

Octal Transparent Latch with TRI-STATE General Description The FCT533 consists of eight latches with TRI-STATE out- puts for bus organized system applications. The flip-flops ap- pear transparent to the data when Latch Enable (LE) is HIGH. When LE is ...

Page 2

Connection Diagrams Pin Assignment for DIP and Flatpak DS100969-3 Functional Description The FCT533 contains eight D-type latches with TRI-STATE standard outputs. When the Latch Enable (LE) input is HIGH, data on the D inputs enters the latches. In this con- ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Input Diode Current ( −0. ...

Page 4

AC Electrical Characteristics Symbol Parameter Propagation Delay PHL PLH Propagation Delay PHL PLH Output Enable Time PZL PZH Output ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Terminal Ceramic Leadless Chip Carrier (L) 20-Lead Ceramic Dual-In-Line Package (D) NS Package Number E20A NS Package Number J20A 5 www.national.com ...

Page 6

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 DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR ...

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