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PDF MM54C244 Data sheet ( Hoja de datos )
| Número de pieza | MM54C244 | |
| Descripción | Octal Buffers and Line Drivers with TRI-STATE Outputs | |
| Fabricantes | National | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MM54C244 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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February 1988
MM54C240 MM74C240 Inverting
MM54C244 MM74C244 Non-Inverting
Octal Buffers and Line Drivers with TRI-STATE Outputs
General Description
These octal buffers and line drivers are monolithic comple-
mentary MOS (CMOS) integrated circuits with TRI-STATE
outputs These outputs have been specially designed to
drive highly capacitive loads such as bus-oriented systems
These devices have a fan out of 6 low power Schottky
loads A high logic level on the output disable control input
G makes the outputs go into the high impedance state For
improved TTL input compatibility see MM74C941
Features
Y Wide supply voltage range (3V to 15V)
Y High noise immunity (0 45 VCC typ)
Y Low power consumption
Y High capacitive load drive capability
Y TRI-STATE outputs
Y Input protection
Y TTL compatibility
Y 20-pin dual-in-line package
Y High speed 25 ns (typ ) 10V 50 pF (MM74C244)
Logic and Connection Diagrams
MM54C240 MM74C240
MM54C240 MM74C240 Dual-In-Line Package
TL F 5905 – 1
MM54C244 MM74C244
Top View
TL F 5905 – 2
Order Number MM54C240 or MM74C240
MM54C244 MM74C244 Dual-In-Line Package
TL F 5905 – 3
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 5905
Top View
TL F 5905 – 4
Order Number MM54C244 or MM74C244
RRD-B30M105 Printed in U S A
1 page  
AC Test Circuits and Switching Time Waveforms
tpd0 tpd1
CMOS to CMOS
TL F 5905–10
t1H and tH1
t1H
TL F 5905 – 11
tH1
TL F 5905–12
t0H and tH0
TL F 5905 – 13
Note VOH is defined as the DC output high voltage when the device is loaded with
a 1 kX resistor to ground
t0H tH0
TL F 5905–14
Note Delays measured with input tr tf s 20 ns
TL F 5905 – 15
Note VOL is defined as the DC output low voltage when the device is loaded with a
1 kX resistor to VCC
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MM54C244.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| MM54C240 | MM54/74C240 Invrt MM54/74C244 Non-Invrt Octal Buff Line Drvs w/TRI-STATE Out (Rev. A) |  Texas Instruments |
| MM54C240 | Octal Buffers and Line Drivers with TRI-STATE Outputs | National |
| MM54C244 | MM54/74C240 Invrt MM54/74C244 Non-Invrt Octal Buff Line Drvs w/TRI-STATE Out (Rev. A) | Texas Instruments |
| MM54C244 | Octal Buffers and Line Drivers with TRI-STATE Outputs | National |
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