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AM26LS32 Dataheets PDF



Part Number AM26LS32
Manufacturers Motorola Inc
Logo Motorola  Inc
Description QUAD EIA-422/3 LINE RECEIVER
Datasheet AM26LS32 DatasheetAM26LS32 Datasheet (PDF)

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 a.

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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 AM26LS32 QUAD EIA–422/3 LINE RECEIVER WITH THREE–STATE OUTPUTS SEMICONDUCTOR TECHNICAL DATA • • • • • • • • 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 D SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) PC SUFFIX PLASTIC PACKAGE CASE 648 PIN CONNECTIONS Representative Block Diagram Three–State Control Inputs 1 – + – + 16 VCC 15 Inputs A 2 Inputs B 14 13 Output B 12 Differential Inputs Output Outputs A 3 3–State Control 4 Output C 5 6 3–State Control Input Network Inputs C 7 + – + – 11 Output D 10 Inputs D 9 GND 8 Amplifier Hysteresis Level Translator ORDERING INFORMATION Level Translator Amplifier Device AM26LS32PC MC26LS32D* * 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, Inc. 1995 Operating Temperature Range TA = 0 to 70°C Package Plastic DIP SO–16 MOTOROLA ANALOG IC DEVICE DATA 1 AM26LS32 MAXIMUM RATINGS Rating Power Supply Voltage Input Common Mode Voltage Input Differential Voltage Three–State Control Input Voltage Output Sink Current Storage Temperature Operating Junction Temperature Symbol VCC VICM VID VI IO Tstg TJ Value 7.0 ± 25 ± 25 7.0 50 – 65 to + 150 + 150 Unit Vdc Vdc Vdc Vdc mA °C °C RECOMMENDED OPERATING CONDITIONS Rating Power Supply Voltage Operating Ambient Temperature Input Common Mode Voltage Range Input Differential Voltage Range Symbol VCC TA VICR VIDR Value 4.75 to 5.25 0 to + 70 – 7.0 to + 7.0 6.0 Unit Vdc °C Vdc Vdc ELECTRICAL CHARACTERISTICS (Unless otherwise noted, minimum and maximum limits apply over recommended temperature and power supply voltage ranges. Typical values are for TA = 25°C, VCC = 5.0 V and VIC = 0 V. See Note 1.) Characteristic Input Voltage – High Logic State (Three–State Control) Input Voltage – Low Logic State (Three–State Control) Differential Input Threshold Voltage (Note 2) (– 7.0 V VIC 7.0 V, VIH = 2.0 V) (IO = – 0.4 mA, VOH 2.7 V) (IO = 8.0 mA, VOL 0.45 V) Symbol VIH VIL VTH(D) – – – – 0.2 – 0.2 mA – – Rin 6.0 K – – – 2.3 – 2.8 – Ohms V VOH VOL IOZ – – IOS IIL IIH – – VIK ICC – – – – – – 20 100 – 1.5 70 V mA – 15 – – – – – – 20 20 – 85 – 360 mA µA µA 2.7 – – – – 0.45 µA Min 2.0 – Typ – – Max – 0.8 Unit V V V p p q p Input Bias Current (VCC = 0 V or 5.25) (Other Inputs at –15 V Vin = + 15 V Vin = – 15 V Input Resistance ( –15 V p Vin p + 15 V) IIB(D) p Vin p + 15 V) Input Balance and Output Level (– 7.0 V VIC 7.0 V, VIH = 2.0 V, See Note 3) (IO = – 0.4 mA, VID = 0.4 V) (IO = 8.0 mA, VID = – 0.4 V) p p Output Third State Leakage Current (VI(D) = + 3.0 V, VIL = 0.8 V, VO = 0.4 V) (VI(D) = – 3.0 V, VIL = 0.8 V, VO = 2.4 V) Output Short Circuit Current (VI(D) = 3.0 V, VIH = 2.0 V, VO = 0 V, See Note 4) Input Current – Low Logic State (Three–State Control) (VIL = 0.4 V) Input Current – High Logic State (Three–State Control) (VIH = 2.7 V) (VIH = 5.5 V) Input Clamp Diode Voltage (Three–State Control) (IIC = – 18 mA) Power Supply Current (VIL = 0 V) (All Inputs Grounded) NOTES: 1. All currents into device pins are shown as positive, out of device pins are negative. All voltages referenced to ground unless otherwise noted. 2. Differential input threshold voltage and guaranteed output levels are done simultaneously for worst case. 3. Refer to EIA–422/3 for exact conditions. Input balance and guaranteed output levels are done simultaneously for worst case. 4. Only one output at a time should be shorted. 2 MOTOROLA ANALOG IC DEVICE DATA AM26LS32 SWITCHING CHARACTERISTICS (VCC = 5.0 V and TA = 25°C, unless otherwise noted) Characteristic Propagation Delay Time – DIfferential Inputs to Output (Output High to Low) (Output Low to High) Propagation Delay Time – Three–State Control to Output (Output Low to Third State) (Output High to Third State) (Output Third State to High) (Output Third State to Low) Symbo.


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