AM26LS32 Datasheet, PDF (1/4 Pages) Motorola, Inc – QUAD EIA-422/3 LINE RECEIVER WITH THREE.STATE OUTPUTS

Order this document by AM26LS32/D
QUAD EIA-422/423 Line
Receiver with Three-State
Outputs
Motorola′s Quad EIA–422/3 Receiver features four independent receiver
chains which comply with EIA Standards for the Electrical Characteristics of
Balanced/Unbalanced Voltage Digital Interface Circuits. Receiver outputs
are 74LS compatible, three–state structures which are forced to a high
impedance state when Pin 4 is a Logic “0” and Pin 12 is a Logic “1.” A PNP
device buffers each output control pin to assure minimum loading for either
Logic “1” or Logic “0” inputs. In addition, each receiver chain has internal
hysteresis circuitry to improve noise margin and discourage output instability
for slowly changing input waveforms. A summary of AM26LS32 features
include:
• Four Independent Receiver Chains
• Three–State Outputs
• High Impedance Output Control Inputs
(PIA Compatible)
• Internal Hysteresis – 30 mV (Typical) @ Zero Volts Common Mode
• Fast Propagation Times – 25 ns (Typical)
• TTL Compatible
• Single 5.0 V Supply Voltage
• Fail–Safe Input–Output Relationship. Output Always High When Inputs
Are Open, Terminated or Shorted
• 6.0 k Minimum Input Impedance
AM26LS32
QUAD EIA–422/3 LINE
RECEIVER WITH
THREE–STATE OUTPUTS
SEMICONDUCTOR
TECHNICAL DATA
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
PC SUFFIX
PLASTIC PACKAGE
CASE 648
PIN CONNECTIONS
Representative Block Diagram
Differential
Inputs
Three–State
Control
Inputs
Output
Input
Network
Amplifier
Hysteresis
Level
Translator
Level
Translator
Amplifier
* Note that the surface mount MC26LS32D device uses the same die as in the plastic DIP
* AM26LS32DC device, but with an MC prefix to prevent confusion with the package suffix.
MOTOROLA ANALOG IC DEVICE DATA
Inputs A
1–
2⁺
Outputs A 3
3–State
Control ⁴
Output C 5
Inputs C
6₊
7^–
GND 8
16 VCC
– ¹⁵
Inputs B
+ ₁₄
13 Output B
3–State
12 _Control
11 Output D
+ ¹⁰
Inputs D
–₉
ORDERING INFORMATION
Device
Operating
Temperature Range Package
AM26LS32PC
MC26LS32D*
TA = 0 to 70°C
Plastic DIP
SO–16
© Motorola, Inc. 1995
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