SN74AVC2T45DCTTIn StockTexas Instruments
SN74AVC2T45DCTT is a dual-bit, dual-supply bus transceiver with configurable voltage translation and 3-state outputs. Supports bidirectional data flow between two independent power-supply rails (1.65V–3.6V port A and 2.3V–5.5V port B), 15pF load capacitance, and common direction control. From $0.11 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN74AVC2T45DCTT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1082(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual independent power-supply rails: port A supports 1.65V–3.6V, port B supports 2.3V–5.5V, enabling flexible mixed-voltage system design
- Bidirectional voltage translation with common direction control pin for simplified bus management
- Ultra-low output impedance with 3-state outputs, minimizing bus loading in high-speed designs
- 8-pin SSOP (R-PDSO-G8) ultra-compact package ideal for space-constrained PCB layouts
- RoHS compliant (Pb-free) with 15-year end-of-life horizon, suited for long-lifecycle industrial and automotive designs
Applications
The SN74AVC2T45DCTT is widely used in mixed-voltage interface designs where microcontrollers, FPGAs, or processors operating at different I/O voltages need to communicate reliably. Typical applications include level shifting between 1.8V and 3.3V logic in portable consumer electronics, wearables, and IoT edge nodes. It is also used in industrial control systems and automotive infotainment platforms that require robust, bidirectional voltage translation with minimal propagation delay.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | TWO SEPARATE CONFIGURABLE POWER-SUPPLY RAILS FOR PORT A AND B |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | AVC |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.012A |
| Number of Bits | 2 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.16 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.02mA |
| Prop. Delay@Nom-Sup | 5.4ns |
| Propagation Delay (tpd) | 5.4ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 0.78V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | NEGATIVE EDGE |
| ## SN74AVC2T45DCTT Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Japan, Mainland China, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74AVC2T45DCTT:
Bus Transceiver, AVC Series, 1-Func, 2-Bit, True Output, CMOS, PDSO8
Bus Transceiver, AVC Series, 2-Func, 2-Bit, True Output, CMOS, PDSO8
Frequently Asked Questions
What voltage levels does the SN74AVC2T45DCTT support for voltage translation?
The SN74AVC2T45DCTT supports independent supply voltages on each port: port A accepts 1.65V to 3.6V, and port B accepts 2.3V to 5.5V. This makes it ideal for translating between common logic levels such as 1.8V, 2.5V, 3.3V, and 5V in mixed-supply systems.
How does the direction control work on the SN74AVC2T45DCTT?
The device uses a common direction control (DIR) pin shared by both bits. When DIR is high, data flows from port B to port A; when DIR is low, data flows from port A to port B. The 3-state output enable (OE#) pin can disable both ports simultaneously, placing all outputs in a high-impedance state.
What is the package type and pin count of the SN74AVC2T45DCTT?
The SN74AVC2T45DCTT is housed in an 8-pin SSOP (Small Shrink Outline Package, JESD-30 code R-PDSO-G8) with a pitch of 0.65mm. The compact footprint makes it suitable for space-constrained designs in wearables, IoT modules, and portable electronics.
Is the SN74AVC2T45DCTT RoHS compliant, and what is its recommended operating temperature range?
Yes, the SN74AVC2T45DCTT is fully RoHS compliant (Pb-free, JESD-609 code e4) and carries a 15-year estimated end-of-life horizon. It is rated for the industrial temperature range of -40°C to +85°C, making it suitable for demanding environments.
What are common alternatives or substitutes for the SN74AVC2T45DCTT?
Common functional alternatives include the SN74AVC2T245 (VSSOP-8), TXS0102 (open-drain auto-direction), and NXP 74AVC2T45. The SN74AVC2T45DCTT differentiates itself with separate configurable power-supply rails on each port and explicit direction control, offering more design flexibility than auto-direction translators.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2016 | $0.20 |
| 10+ | $0.1082 | $1.08 |
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