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PDF 54FCT374 Data sheet ( Hoja de datos )
| Número de pieza | 54FCT374 | |
| Descripción | Octal D-Type Flip-Flop | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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September 1998
54FCT374
Octal D-Type Flip-Flop with TRI-STATE® Outputs
General Description
The ’FCT374 is an octal D-type flip-flop featuring separate
D-type inputs for each flip-flop and TRI-STATE outputs for
bus-oriented applications. A buffered Clock (CP) and Output
Enable (OE) are common to all flip-flops.
Features
n Edge-triggered D-type inputs
n Buffered positive edge-triggered clock
n TRI-STATE outputs for bus-oriented applications
n TTL input and output level compatible
n Low CMOS power consumption
n Output sink capability of 32 mA, source capability of
12 mA
n Standard Microcircuit Drawing (SMD) 5962-9314901
Ordering Code
Military
54FCT374DMQB
54FCT374FMQB
54FCT374LMQB
Package
Number
J20A
W20A
E20A
Connection Diagrams
Pin Assignment for DIP
and Flatpak
Package Description
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Pin Assignment
for LCC
DS100964-1
DS100964-2
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS100964
www.national.com
1 page  
Capacitance (Continued)
AC Loading
DS100964-4
*Includes jig and probe capacitance
FIGURE 1. Standard AC Test Load
DS100964-8
FIGURE 4. Propagation Delay Waveforms for
Inverting and Non-Inverting Functions
FIGURE 2. VM = 1.5V
DS100964-6
Input Pulse Requirements
Amplitude Rep. Rate
tw
3.0V
1 MHz 500 ns
tr
2.5 ns
tf
2.5 ns
FIGURE 3. Test Input Signal Requirements
DS100964-5
FIGURE 5. Propagation Delay,
Pulse Width Waveforms
DS100964-7
FIGURE 6. TRI-STATE Output HIGH
and LOW Enable and Disable Times
DS100964-9
FIGURE 7. Setup Time, Hold Time
and Recovery Time Waveforms
5 www.national.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 54FCT374.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| 54FCT374 | Octal D-Type Flip-Flop | National Semiconductor |
| 54FCT374 | 54FCT374 Octal D-Type Flip-Flop with -TRISTATE Outputs |  Texas Instruments |
| 54FCT377 | Octal D-Type Flip-Flop | National Semiconductor |
| 54FCT377 | 54FCT377 Octal D-Type Flip-Flop with Clock Enable | Texas Instruments |
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