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PDF DS9638 Data sheet ( Hoja de datos )
| Número de pieza | DS9638 | |
| Descripción | RS-422 Dual High Speed Differential Line Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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May 1998
DS9638
RS-422 Dual High Speed Differential Line Driver
General Description
The DS9638 is a Schottky, TTL compatible, dual differential
line driver designed specifically to meet the EIA Standard
RS-422 specifications. It is designed to provide unipolar dif-
ferential drive to twisted pair or parallel wire transmission
lines. The inputs are TTL compatible. The outputs are similar
to totem pole TTL outputs, with active pull-up and pull-down.
The device features a short circuit protected active pull-up
with low output impedance and is specified to drive 50Ω
transmission lines at high speed. The mini-DIP provides high
package density.
Features
n Single 5V supply
n Schottky technology
n TTL and CMOS compatible inputs
n Output short circuit protection
n Input clamp diodes
n Complementary outputs
n Minimum output skew (<1.0 ns typical)
n 50 mA output drive capability for 50Ω transmission lines
n Meets EIA RS-422 specifications
n Propagation delay of less than 10 ns
n “Glitchless” differential output
n Delay time stable with VCC and temperature variations
(<2.0 ns typical) (Figure 3)
n Extended temperature range
Connection Diagram
8-Lead DIP
DS009622-1
Top View
Order Number DS9638CM or DS9638CN
See NS Package Number M08A or N08E
For Complete Military Product Specifications,
refer to the appropriate SMD or MDS.
Order Number DS9638MJ/883
See NS Package Number J08A
© 1998 National Semiconductor Corporation DS009622
www.national.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
Ceramic Dual-In-Line Package (J)
Order Number DS9638MJ/883
NS Package Number J08A
Ceramic Dual-In-Line Package (M)
Order Number DS9638CM
NS Package Number M08A
5
www.national.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet DS9638.PDF ] | |
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