TCA4311DRG4 Texas Instruments Integrated Circuit (Other) In Stock
TCA4311DRG4 is a hot-swappable 2-wire bus buffer IC from Texas Instruments supporting 2.7V–5.5V supply range. Enables live I2C/SMBus board insertion without bus corruption. From $2.39 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TCA4311DRG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3936(MOQ 2500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Hot-swap capability allows live board insertion and removal without corrupting I2C/SMBus signals
- Wide supply voltage range of 2.7V to 5.5V for flexible system integration
- Single-function buffer in compact 8-pin SOIC package for space-constrained designs
- Compatible with I2C and SMBus protocols for broad application support
Applications
The TCA4311DRG4 is ideal for server and telecom systems requiring hot-swappable I2C/SMBus board management without bus disruption. It is widely used in redundant power supply units, ATCA blade servers, and industrial control systems where live insertion of peripheral cards is essential. The device also suits embedded computing platforms and data center infrastructure requiring robust bus isolation and signal integrity.
Specifications
| YTEOL | 0 |
| Interface IC Type | BUS BUFFERS |
| JESD-30 Code | R-PDSO-G8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TCA4311DRG4:
Frequently Asked Questions
What is the TCA4311DRG4 and what does it do?
The TCA4311DRG4 is a hot-swappable 2-wire bus buffer IC from Texas Instruments. It enables live insertion of I2C or SMBus boards into an active backplane without corrupting the bus. It supports a supply voltage range of 2.7V to 5.5V and is packaged in an 8-pin SOIC (R-PDSO-G8) form factor.
What voltage range does the TCA4311DRG4 support?
The TCA4311DRG4 operates over a supply voltage range of 2.7V to 5.5V, with a nominal operating voltage of 3.3V. This makes it compatible with both 3.3V and 5V I2C/SMBus systems commonly used in server, industrial, and embedded computing applications.
What are typical applications for the TCA4311DRG4?
The TCA4311DRG4 is commonly used in server backplanes, blade server systems, and hot-swap expansion cards where boards must be inserted or removed while the system is powered. It protects shared I2C and SMBus lines from glitches or data corruption during live board insertion events.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 2500+ | $2.3935 | $5983.88 |
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