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PDF 100323 Data sheet ( Hoja de datos )
| Número de pieza | 100323 | |
| Descripción | Low Power Hex Bus Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 100323 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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August 1998
100323
Low Power Hex Bus Driver
General Description
The 100323 is a monolithic device containing six bus drivers
capable of driving terminated lines with terminations as low
as 25Ω. To reduce crosstalk, each output has its own re-
spective ground connection. Transition times were designed
to be longer than on other F100K devices. The driver itself
performs the positive logic AND of a data input (D1–D6) and
the OR of two select inputs (E and either DE1, DE2, or DE3).
Enabling of data is possible in multiples of two, i.e., 2, 4 or all
6 paths. All inputs have 50 kΩ pull-down resistors.
The output voltage LOW level is designed to be more nega-
tive than normal ECL outputs (cut off state). This allows an
emitter-follower output transistor to turn off when the termi-
nation supply is −2.0V and thus present a high impedance to
the data bus.
Features
n 50% power reduction of the 100123
n 2000V ESD protection
n −4.2V to −5.7V operating range
n Drives 25Ω load
Logic Symbol
Pin Names
D1– D6
DE1–DE3
E
O1– O6
Description
Data Inputs
Dual Enable Inputs
Common Enable Input
Data Outputs
DS100312-7
© 1998 National Semiconductor Corporation DS100312
www.national.com
1 page  
Timing Waveform
DS100312-6
FIGURE 2. Propagation Delay and Transition Times
5 www.national.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 100323.PDF ] | |
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