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PDF 54FCT573 Data sheet ( Hoja de datos )
| Número de pieza | 54FCT573 | |
| Descripción | Octal D-Type Latch | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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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) in-
puts.
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 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
12 mA
n Standard Microcircuit Drawing (SMD) 5962-8863901
Ordering Code
Military
54FCT573DMQB
54FCT573FMQB
54FCT573LMQB
Connection Diagram
Package
Number
J20A
W20A
E20A
Pin Assignment
for DIP and Cerpack
Package Description
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Pin Assignment
for LCC
DS100951-1
Pin
Names
D0– D7
LE
OE
O0– O7
DS100951-39
Description
Data Inputs
Latch Enable Input (Active HIGH)
TRI-STATE Output Enable Input
(Active LOW)
TRI-STATE Latch Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS100951
www.national.com
1 page  
AC Loading
DS100951-4
*Includes jig and probe capacitance
FIGURE 1. Test Load
DS100951-5
FIGURE 5. Propagation Delay,
Pulse Width Waveforms
FIGURE 2. Test Input Signal Levels
DS100951-6
Amplitude Rep. Rate
tw
3.0V
1 MHz 500 ns
tr
2.5 ns
tf
2.5 ns
FIGURE 3. Test Input Signal Requirements
DS100951-7
FIGURE 6. TRI-STATE Output HIGH
and LOW Enable and Disable Times
DS100951-8
FIGURE 4. Propagation Delay Waveforms for
Inverting and Non-Inverting Functions
FIGURE 7. Setup Time, Hold Time
and Recovery Time Waveforms
DS100951-9
5 www.national.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 54FCT573.PDF ] | |
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