DataSheet.es    


PDF DS34C87TM Data sheet ( Hoja de datos )

Número de pieza DS34C87TM
Descripción CMOS Quad TRISTATE Differential Line Driver
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



Hay una vista previa y un enlace de descarga de DS34C87TM (archivo pdf) en la parte inferior de esta página.


Total 8 Páginas

No Preview Available ! DS34C87TM Hoja de datos, Descripción, Manual

May 1998
DS34C87T
CMOS Quad TRISTATE Differential Line Driver
General Description
The DS34C87T is a quad differential line driver designed for
digital data transmission over balanced lines. The
DS34C87T meets all the requirements of EIA standard
RS-422 while retaining the low power characteristics of
CMOS. This enables the construction of serial and terminal
interfaces while maintaining minimal power consumption.
The DS34C87T accepts TTL or CMOS input levels and
translates these to RS-422 output levels. This part uses spe-
cial output circuitry that enables the individual drivers to
power down without loading down the bus. This device has
separate enable circuitry for each pair of the four drivers.
The DS34C87T is pin compatible to the DS3487T.
All inputs are protected against damage due to electrostatic
discharge by diodes to VCC and ground.
Features
n TTL input compatible
n Typical propagation delays: 6 ns
n Typical output skew: 0.5 ns
n Outputs won’t load line when VCC = 0V
n Meets the requirements of EIA standard RS-422
n Operation from single 5V supply
n TRI-STATE outputs for connection to system buses
n Low quiescent current
n Available in surface mount
Connection and Logic Diagrams
Dual-In-Line Package
DS008576-1
Top View
Order Number DS34C87TM or DS34C87TN
See NS Package Number M16A or N16E
Truth Table
Input
H
L
X
Control
Input
H
H
L
Non-Inverting
Output
H
L
Z
L = Low logic state
H = High logic state
X = Irrelevant
Z = TRI-STATE (high performance)
DS008576-2
Inverting
Output
L
H
Z
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS008576
www.national.com

1 page




DS34C87TM pdf
AC Test Circuit and Switching Time Waveforms (Continued)
DS008576-10
FIGURE 8. Load Propagation Delays for “LS-Type” Load
DS008576-11
FIGURE 9. Load Enable and Disable Times for “LS-Type” Load
Typical Applications
*RT is optional although highly recommended to reduce reflection.
DS008576-12
5 www.national.com

5 Page










PáginasTotal 8 Páginas
PDF Descargar[ Datasheet DS34C87TM.PDF ]




Hoja de datos destacado

Número de piezaDescripciónFabricantes
DS34C87TCMOS Quad TRISTATE Differential Line DriverNational Semiconductor
National Semiconductor
DS34C87TDS34C87T CMOS Quad TRI-STATE Differential Line Driver (Rev. B)Texas Instruments
Texas Instruments
DS34C87TMCMOS Quad TRISTATE Differential Line DriverNational Semiconductor
National Semiconductor
DS34C87TNCMOS Quad TRISTATE Differential Line DriverNational Semiconductor
National Semiconductor

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


DataSheet.es    |   2020   |  Privacy Policy  |  Contacto  |  Buscar