SN75ALS192DE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments SN75ALS192 quad RS-422 differential line driver in 16-pin SOIC package, supplied in tube packaging. Provides 4 differential transmitter channels compliant with EIA-422-B and TIA-422-B standards. Suitable for industrial serial communication and data acquisition links requiring robust noise immunity over long cable runs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN75ALS192DE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN75ALS192DE4?
- 4-channel RS-422/TIA-422-B differential line driver with high noise immunity for long cable transmission
- 16-pin SOIC package enabling compact multi-channel serial data link designs
- Standard TTL-compatible inputs with 20 µA maximum input current for easy microcontroller interfacing
- Differential outputs delivering balanced voltage swings for reliable signal integrity over 100-meter cables
What is SN75ALS192DE4 used for?
The SN75ALS192DE4 is used in industrial automation systems where multiple RS-422 differential data channels must be transmitted reliably over distances up to 1200 meters. Its 4-channel integration reduces IC count in CNC machine tool controllers, PLCs, and motion control systems that need parallel serial data links. It is also deployed in instrumentation and data acquisition equipment requiring interference-resistant differential transmission in electrically noisy factory environments.
What are the specifications of SN75ALS192DE4?
| YTEOL | 0 |
| Differential Output | YES |
| Driver Number of Bits | 4 |
| High Level Input Current-Max | 0.00002A |
| Input Characteristics | STANDARD |
| Interface IC Type | LINE DRIVER |
| Interface Standard | EIA-422-B; TIA-422-B; V.11 |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 4 |
| Out Swing-Min | 2V |
| Output Characteristics | 3-STATE |
| Output Low Current-Max | 0.002A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 45mA |
| Supply Voltage-Max | 5.25V |
| Supply Voltage-Min | 4.75V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 5.25V |
| Supply Voltage1-Min | 4.75V |
| Supply Voltage1-Nom | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 14ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Where can I find the SN75ALS192DE4 datasheet?
SN75ALS192DE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN75ALS192DE4?
Compatible alternatives and drop-in replacements for SN75ALS192DE4:
Frequently Asked Questions
How many RS-422 differential channels does SN75ALS192DE4 provide, and what cable length can it drive reliably?
The SN75ALS192DE4 provides 4 independent RS-422 differential transmitter channels in a single 16-pin SOIC package. Compliant with EIA-422-B and TIA-422-B standards, each channel drives twisted-pair cables up to 1200 meters at low data rates, or up to 100 meters at 10 Mbps, delivering balanced differential voltage swings that maintain signal integrity in industrial environments with high electrical noise.
What makes SN75ALS192DE4 suitable for industrial PLC communication over long cable runs in noisy factories?
The SN75ALS192DE4 transmits RS-422 differential signals with a typical output voltage swing of ±2V into a 100Ω load, providing common-mode noise rejection exceeding 7V at the receiver. In a factory with variable-frequency drives generating hundreds of millivolts of common-mode interference on cable shields, this differential margin ensures reliable data transmission at 115.2 kbps over 300-meter cable runs between PLCs and remote I/O modules without bit errors.
How does the 16-pin SOIC package of SN75ALS192DE4 help reduce board area in a 4-channel serial communication design?
By integrating 4 RS-422 transmitter channels in a single 16-pin SOIC package measuring approximately 10mm x 4mm, the SN75ALS192DE4 replaces four discrete single-channel line drivers and reduces PCB footprint by up to 60%. This consolidation also simplifies power decoupling — one 100 nF bypass capacitor serves all 4 channels — and shortens PCB routing between the host MCU and the SOIC package, reducing stub lengths and improving signal quality at baud rates up to 10 Mbps.
When should an engineer choose SN75ALS192 over an RS-485 transceiver for a unidirectional 4-channel data link?
SN75ALS192 is preferable when all 4 data channels are strictly unidirectional and no half-duplex bus sharing is needed, since RS-422 drivers are always active and require no direction control pin or de-skew delay logic. In point-to-point connections from a controller to 4 separate receivers — such as a motion controller sending position commands to 4 stepper driver modules over 50-meter cables — the SN75ALS192 eliminates bus contention risk and simplifies firmware by removing the transmitter-enable timing management that RS-485 designs must handle.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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