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PDF SN74LS623 Data sheet ( Hoja de datos )
| Número de pieza | SN74LS623 | |
| Descripción | OCTAL BUS TRANSCEIVER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SN74LS623 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUT
The SN54 / 74LS623 series is an octal bus transceiver designed for
asynchronous two-way communication between data buses. Control function
implementation allows maximum timing flexibility. Enable inputs may be used
to disable the device so that buses are effectively isolated. Depending on the
Logic Levels at the enable inputs, Data transmission is allowed from the A bus
to the B bus or from the B bus to the A bus. The dual-enable configuration
gives the LS623 the capability to store data by simultaneous enabling of GBA
and GAB. Each output reinforces its input in this transceiver configuration.
Thus, when both control inputs are enabled all other data sources to the two
sets of bus lines (16 in all) will remain at their last states.
CONNECTION DIAGRAM (TOP VIEW)
ENABLE
VCC GBA B1 B2 B3 B4 B5 B6 B7 B8
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
ENABLE A1 A2 A3 A4 A5 A6 A7 A8 GND
GAB
BLOCK DIAGRAM
1/4 LS623
GBA
GAB
A1 B1
SN54/74LS623
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUT
LOW POWER SCHOTTKY
20
1
20
1
20
1
J SUFFIX
CERAMIC
CASE 732-03
N SUFFIX
PLASTIC
CASE 738-03
DW SUFFIX
SOIC
CASE 751D-03
ORDERING INFORMATION
SN54LSXXXJ Ceramic
SN74LSXXXN Plastic
SN74LSXXXDW SOIC
A2 B2
TO OTHER SIX
TRANSCEIVERS
FUNCTION TABLE
ENABLE INPUTS
OPERATION
GBA
GAB
LS623
LL
B data to A bus
HH
A data to B bus
HL
Isolation
B data to A bus,
LH
A data to B bus
H = HIGH Level, L = LOW Level, X = Irrelevant
FAST AND LS TTL DATA
5-1
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet SN74LS623.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| SN74LS620 | Octal Bus Transceivers |  Texas Instruments |
| SN74LS621 | Octal Bus Transceivers | Texas Instruments |
| SN74LS623 | Octal Bus Transceivers | Texas Instruments |
| SN74LS623 | OCTAL BUS TRANSCEIVER | Motorola Semiconductors |
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