LM8333GGR8AXSX/NOPB Texas Instruments Integrated Circuit (BGA) In Stock
LM8333GGR8AXSX/NOPB is a companion supporting interface IC from Texas Instruments featuring I2C bus compatibility with 4 I/O lines across 4 ports in a compact 49-ball BGA package. It integrates keyboard matrix scanning and GPIO expansion for portable consumer electronics. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- LM8333GGR8AXSX/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8300(MOQ 3500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM8333GGR8AXSX/NOPB?
- I2C bus interface with up to 400 kHz Fast-mode support
- 4 configurable I/O ports with 4 signal lines for matrix scanning
- Compact 49-ball BGA package in 7x7 mm footprint for space-constrained designs
- RoHS-compliant, lead-free construction per JESD-609 e1 rating
- Integrated keypad controller reducing external component count
What is LM8333GGR8AXSX/NOPB used for?
The LM8333GGR8AXSX/NOPB is designed for portable consumer devices such as smartphones, tablets, and handheld terminals requiring compact keypad matrix scanning over I2C. It suits embedded systems where GPIO expansion is needed without dedicated bus controllers, including remote controls and wearable devices. Its small BGA footprint and low pin count make it ideal for space-constrained PCB layouts.
What are the specifications of LM8333GGR8AXSX/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Address Bus Width | 1 |
| Bus Compatibility | I2C |
| JESD-30 Code | S-PBGA-B49 |
| JESD-609 Code | e1 |
| Number of I/O Lines | 4 |
| Number of Ports | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA49,7X7,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 80mA |
| Supply Voltage-Max | 2.9V |
| Supply Voltage-Min | 2.25V |
| Supply Voltage-Nom | 2.75V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROPROCESSOR CIRCUIT |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.31.00.30 |
Where can I find the LM8333GGR8AXSX/NOPB datasheet?
LM8333GGR8AXSX/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM8333GGR8AXSX/NOPB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many I/O lines does the LM8333GGR8AXSX/NOPB support and how are they organized?
The LM8333GGR8AXSX/NOPB provides 4 I/O lines organized across 4 ports, enabling a compact keypad scanning matrix. This configuration supports up to a 4x4 key matrix, making it suitable for small portable keypads. The device communicates these scan results over the I2C bus at up to 400 kHz.
Which communication protocol does the LM8333GGR8AXSX/NOPB use and what are the bus speed options?
This Texas Instruments companion IC uses the I2C serial bus interface, supporting standard and fast modes. The I2C compatibility allows it to connect directly to microcontrollers operating at 3.3 V or 5 V logic levels, reducing wiring complexity. With only 4 I/O lines needed, system designers save board space and reduce routing overhead.
For a wearable device design, why would an engineer choose the 49-ball BGA package of the LM8333GGR8AXSX/NOPB over a leaded alternative?
The 49-ball BGA package measures 7x7 mm with a fine 0.5 mm ball pitch, offering significantly smaller board footprint than leaded SOIC or QFP alternatives in the same I/O class. This enables PCB area savings of up to 40-50% compared to equivalent SOIC-28 packages, which is critical for compact wearable and portable device designs requiring high component density.
How does LM8333GGR8AXSX/NOPB reduce BOM cost in a handheld terminal design?
By integrating keypad matrix scanning and GPIO management into a single companion IC, the LM8333GGR8AXSX/NOPB eliminates the need for discrete scan logic, debounce circuits, and multiple GPIO expanders. The I2C interface requires only 2 wires to connect to the host MCU, reducing connectors and routing. This integration can cut BOM part count by 5 to 10 components in a typical portable design.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 3500+ | $1.8300 | $6405.00 |
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