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PDF 54ABT16373W-QML Data sheet ( Hoja de datos )

Número de pieza 54ABT16373W-QML
Descripción 16-Bit Transparent Latch with TRI-STATE Outputs
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



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No Preview Available ! 54ABT16373W-QML Hoja de datos, Descripción, Manual

July 1998
54ABT16373
16-Bit Transparent Latch with TRI-STATE® Outputs
General Description
The ABT16373 contains sixteen non-inverting latches with
TRI-STATE outputs and is intended for bus oriented applica-
tions. The device is byte controlled. The flip-flops appear
transparent to the data when the Latch Enable (LE) is HIGH.
When LE is low, the data that meets the setup time is
latched. Data appears on the bus when the Output Enable
(OE) is LOW. When OE is HIGH, the outputs are in high Z
state.
Features
n Separate control logic for each byte
n 16-bit version of the ABT373
n High impedance glitch free bus loading during entire
power up and power down cycle
n Non-destructive hot insertion capability
n Guaranteed latch-up protection
n Standard Microcircuit Drawing (SMD) 5962-9320001
Ordering Code:
Military
54ABT16373W-QML
Logic Symbol
Package
Number
WA48A
Package Description
48-Lead Cerpack
Connection Diagram
Pin Assignment for Cerpack
Pin Description
DS100201-1
Pin Names
OEn
LEn
D0– D15
O0– O15
Description
Output Enable Input (Active Low)
Latch Enable Input
Data Inputs
Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100201
DS100201-2
www.national.com

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54ABT16373W-QML pdf
AC Loading
DS100201-6
*Includes jig and probe capacitance
FIGURE 1. Standard AC Test Load
DS100201-11
FIGURE 5. Propagation Delay,
Pulse Width Waveforms
DS100201-10
FIGURE 2. Test Input Signal Levels
Amplitude Rep. Rate
tw
3.0V
1 MHz 500 ns
tr
2.5 ns
tf
2.5 ns
FIGURE 3. Test Input Signal Requirements
DS100201-7
FIGURE 6. TRI-STATE Output HIGH
and LOW Enable and Disable Times
DS100201-8
FIGURE 4. Propagation Delay Waveforms for
Inverting and Non-Inverting Functions
FIGURE 7. Setup Time, Hold Time
and Recovery Time Waveforms
DS100201-9
5 www.national.com

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