DS26F32M National Semiconductor, DS26F32M Datasheet

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DS26F32M

Manufacturer Part Number
DS26F32M
Description
Quad Differential Line Receivers
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
DS26F32M
Quad Differential Line Receivers
General Description
The DS26F32 is a quad differential line receiver designed to
meet the requirements of EIA Standards RS-422 and
RS-423, and Federal Standards 1020 and 1030 for balanced
and unbalanced digital data transmission.
The DS26F32 offers improved performance due to the use
of state-of-the-art L-FAST bipolar technology. The L-FAST
technology allows for higher speeds and lower currents by
utilizing extremely short gate delay times. Thus, the
DS26F32 features lower power, extended temperature
range, and improved specifications.
The device features an input sensitivity of 200 mV over the
input common mode range of
an enable function common to all four receivers and
TRI-STATE
fail-safe input/output relationship keeps the outputs high
when the inputs are open.
The DS26F32 offers optimum performance when used with
the DS26F31 Quad Differential Line Driver.
Connection Diagrams
TRI-STATE
See NS Package Number E20A, J16A or W16A
For Complete Military Product Specifications,
®
is a registered trademark of National Semiconductor Corporation.
refer to the appropriate SMD or MDS.
DS26F32MJ/883 or DS26F32MW/883
®
Order Number DS26F32ME/883,
See NS Package Number J16A
outputs with 8.0 mA sink capability. Also, a
16-Lead DIP
Top View
±
7.0V. The DS26F32 provides
DS009615-1
DS009615
Features
n Military temperature range
n Input voltage range of
n Meets all the requirements of EIA standards RS-422 and
n High input impedance (18k typical)
n 30 mV input hysteresis
n Operation from single +5.0V supply
n Input pull-down resistor prevents output oscillation on
n TRI-STATE outputs, with choice of complementary
n Propagation delay 15 ns typical
Function Table
H = High Level
L = Low Level
X = Immaterial
(Each Receiver)
mode)
RS-423
unused channels
enables, for receiving directly onto a data bus
V
Differential Inputs
ID
= (V
V
20-Lead Ceramic Leadless Chip Carrier
V
ID
±
ID
0.2V sensitivity over the input voltage range
IN
X
+) − (V
−0.2V
0.2V
IN
−)
±
7.0V (differential or common
E
H
X
H
X
L
Enables
DS009615-7
E
X
X
H
L
L
www.national.com
Outputs
May 1999
OUT
H
H
L
L
Z

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DS26F32M Summary of contents

Page 1

... DS009615-1 Top View See NS Package Number J16A For Complete Military Product Specifications, refer to the appropriate SMD or MDS. Order Number DS26F32ME/883, DS26F32MJ/883 or DS26F32MW/883 See NS Package Number E20A, J16A or W16A TRI-STATE ® registered trademark of National Semiconductor Corporation. © 1999 National Semiconductor Corporation ...

Page 2

... The tables of “Electrical Characteristics” provide conditions for actual device operation. Note 3: Unless otherwise specified min/max limits apply across the −55˚C to +125˚C temperature range for the DS26F32M and across the 0˚C to +70˚C range for = 5V and T the DS26F32C ...

Page 3

Switching Characteristics = 5.0V 25˚ Symbol Parameter t Input to Output ( Figures PLH t Input to Output PHL t Enable to Output LZ t Enable to Output ( Figures 2, 4 ...

Page 4

Switching Characteristics Note 6: Diagram shown for ENABLE Low. Note 7: S1 and S2 of Load Circuit are closed except where shown. Note 8: Pulse Generator of all Pulses: Rate 1.0 MHz, Z Note 9: All diodes are IN916 or ...

Page 5

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number DS26F32ME/883 NS Package Number E20A Ceramic Dual-In-Line Package (J) Order Number DS26F32MJ/883 NS Package Number J16A 5 www.national.com ...

Page 6

... Italiano National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. Order Number DS26F32MW/883 NS Package Number W16A 2. A critical component is any component of a life ...

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