SN74LV245ADWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74LV245ADWG4 is an 8-channel bidirectional bus transceiver with three-state outputs from Texas Instruments' LV-A family. It features common direction control, 50 pF load capacitance, 8 mA output sink current, and operates from 1.65 V to 5.5 V supply in a 20-pin SOIC package. From $0.45 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LV245ADWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit bidirectional bus transceiver with three-state outputs for shared bus applications
- Wide 1.65 V to 5.5 V supply range enabling mixed-voltage system interfacing
- Common direction control (DIR) and output enable for simple bus arbitration
- Low-voltage LV-A family logic with 50 pF load drive in 20-pin SOIC package
Applications
The SN74LV245ADWG4 is widely used in microcontroller and microprocessor systems to buffer and translate data bus signals between different logic voltage domains. It suits backplane bus interfaces, memory expansion circuits, and I/O port expanders in embedded and industrial control applications. The bidirectional capability and three-state outputs allow multiple devices to share a common 8-bit data bus without contention.
Specifications
| YTEOL | 0 |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | LV/LV-A/LVX/H |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.008A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.03mA |
| Prop. Delay@Nom-Sup | 13.5ns |
| Propagation Delay (tpd) | 18ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74LV245ADWG4 used for?
The SN74LV245ADWG4 is an 8-channel bidirectional bus transceiver used to buffer and drive data bus signals in microprocessor, DSP, and embedded systems. It enables bidirectional data flow on a shared bus, with three-state outputs preventing bus contention when the device is not actively driving.
What supply voltage range does the SN74LV245ADWG4 support?
The SN74LV245ADWG4 operates from supply voltages of 1.65 V to 5.5 V, making it compatible with modern 1.8 V, 2.5 V, 3.3 V, and 5 V logic systems. This wide range allows it to interface between different logic voltage standards on the same PCB.
How does the direction control work on the SN74LV245ADWG4?
The SN74LV245ADWG4 uses a single common DIR pin to control data flow direction across all 8 channels simultaneously. When DIR is high, data flows from A to B; when DIR is low, data flows from B to A. An active-low output enable (OE) pin places all outputs in high-impedance state when asserted.
What is the load capacitance specification for the SN74LV245ADWG4?
The SN74LV245ADWG4 is characterized with a load capacitance of 50 pF per output, which is the standard test condition for propagation delay and output drive specifications. In practice, minimizing PCB trace capacitance helps maintain signal integrity at higher operating frequencies.
What package does the SN74LV245ADWG4 come in?
The SN74LV245ADWG4 is packaged in a 20-pin SOIC (R-PDSO-G20) wide-body surface-mount package. The SOIC-20 is widely available, easy to hand-solder during prototyping, and compatible with standard PCB footprints used across the 74-series logic family.
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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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