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OMAPL138EZCED4
Texas Instruments
IC MPU OMAP-L1X 456MHZ 361NFBGA
2374 Pcs New Original In Stock
ARM926EJ-S Microprocessor IC OMAP-L1x 1 Core, 32-Bit 456MHz 361-NFBGA (13x13)
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5.0 / 5.0
- (152 Ratings)
OMAPL138EZCED4
Product Overview
1361974
DiGi Electronics Part Number
OMAPL138EZCED4-DGManufacturer
Texas Instruments
OMAPL138EZCED4
Description
IC MPU OMAP-L1X 456MHZ 361NFBGAInventory
2374 Pcs New Original In Stock
ARM926EJ-S Microprocessor IC OMAP-L1x 1 Core, 32-Bit 456MHz 361-NFBGA (13x13)
Quantity
Minimum 1
Minimum 1
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OMAPL138EZCED4 Technical Specifications
Category
Embedded, Microprocessors
Packaging
Tray
Series
OMAP-L1x
Product Status
Active
Core Processor
ARM926EJ-S
Number of Cores/Bus Width
1 Core, 32-Bit
Speed
456MHz
Co-Processors/DSP
Signal Processing; C674x, System Control; CP15
RAM Controllers
SDRAM
Graphics Acceleration
No
Display & Interface Controllers
LCD
Ethernet
10/100Mbps (1)
SATA
SATA 3Gbps (1)
USB
USB 1.1 + PHY (1), USB 2.0 + PHY (1)
Voltage - I/O
1.8V, 3.3V
Operating Temperature
-40°C ~ 90°C (TJ)
Security Features
Boot Security, Cryptography
Mounting Type
Surface Mount
Package / Case
361-LFBGA
Supplier Device Package
361-NFBGA (13x13)
Additional Interfaces
HPI, I2C, McASP, McBSP, MMC/SD, SPI, UART
Base Product Number
OMAPL138
Datasheet & Documents
Manuals
OMAPL138 Tech Ref Manual
Manufacturer Product Page
OMAPL138EZCED4 Specifications
HTML Datasheet
OMAPL138EZCED4-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
3A991A2
HTSUS
8542.31.0001
Additional Information
Other Names
296-38548
-296-38548-DG
OMAPL138EZCED4-DG
Standard Package
160
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
항상 정확하고 신속한 서비스 덕분에 비즈니스 운영이 훨씬 수월해졌어요.
de desembre 02, 2025
Le support client de DiGi Electronics est remarquable. Ils sont toujours là pour répondre à mes questions avec gentillesse.
de desembre 02, 2025
J’ai apprécié les guides d’achat très clairs qui m’ont aidé à choisir le bon produit facilement.
de desembre 02, 2025
Leur service après-vente est vraiment exemplaire, ils suivent chaque demande avec sérieux et efficacité.
de desembre 02, 2025
コストパフォーマンスが良く、包装も高品質で満足しています。
de desembre 02, 2025
My device from DiGi Electronics has endured rough handling and still performs perfectly, showcasing its robust build.
de desembre 02, 2025
Fast shipping combined with knowledgeable service made this a perfect experience.
de desembre 02, 2025
The transparent tracking process made my purchase experience smooth and stress-free.
de desembre 02, 2025
The durability and reliability of DiGi Electronics' offerings are truly impressive.
de desembre 02, 2025
The support staff demonstrates great expertise and patience.
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Frequently Asked Questions (FAQ)
When designing with the OMAPL138EZCED4, what are the critical considerations for choosing between the TMS320C6748 and this device, especially regarding DSP performance and peripheral set?
The OMAPL138EZCED4 integrates an ARM926EJ-S core with a C674x DSP, while the TMS320C6748 is a standalone DSP. For applications requiring both a Linux-capable application processor and DSP-based real-time processing (e.g., audio codecs, motor control), the OMAPL138EZCED4 is the ideal choice. However, if your design only needs DSP processing without OS overhead, the C6748 may be simpler. Key differences: the OMAPL138EZCED4 includes additional peripherals like USB 2.0 with PHY and SATA, which are not present on all C6748 variants. Power sequencing is also critical—the OMAPL138EZCED4 requires core (CVDD) and I/O voltages to be ramped in a specific order to avoid latch-up; always follow TI's recommended power-up sequence in the hardware design guide.
What are the specific thermal management and PCB layout challenges for the OMAPL138EZCED4 in a 361-NFBGA package for industrial -40°C to 90°C operation?
For reliable operation at 90°C junction temperature, thermal vias under the 13x13mm NFBGA package are essential. Use a 4-layer or more PCB with a solid ground plane. The OMAPL138EZCED4's power dissipation can reach up to ~1.5W under full load; calculate the junction-to-ambient thermal resistance (ΘJA) based on your board design—TI's data suggests a ΘJA around 20°C/W with proper vias. In high ambient temperatures, forced air cooling may be needed. Also, pay attention to the DDR routing: the SDRAM controller requires matched trace lengths for address/control signals; mismatches can cause timing violations, especially at 456MHz. Use the IBIS models provided by TI to simulate signal integrity.
Can the OMAPL138EZCED4 directly replace the older OMAPL138EZWTA4 in an existing design, and what boot or software changes are required?
The OMAPL138EZCED4 and OMAPL138EZWTA4 are pin-compatible but differ in temperature grade and speed. The EZCED4 is rated for -40°C to 90°C (industrial), while the EZWTA4 is -40°C to 105°C (extended). For direct replacement, no hardware changes are needed if your system operates within 90°C max. However, verify the boot mode configuration: both use the same BOOT[3:0] pins, but if your existing design relies on NAND boot, ensure the same NAND timings are configured in the PLL controller. Software-wise, the device ID register will read differently; update any board detection logic. Also, confirm that your voltage regulator can supply the maximum core current (up to 500mA for the OMAPL138EZCED4 at 456MHz) to avoid brown-outs.
What are the real-world implications of the OMAPL138EZCED4's lack of graphics acceleration when driving an LCD display, and how can designers mitigate performance bottlenecks?
The OMAPL138EZCED4 has no GPU; LCD display updates consume ARM926 CPU cycles. For a 24-bit RGB display at 800x480 resolution, frame buffer updates can saturate the CPU if not optimized. Mitigation: use the display controller's hardware transparency and windowing features to reduce CPU load. For UI-intensive applications, offload rendering to the C674x DSP via shared memory (DSPLINK) to handle pixel operations, leaving the ARM core for OS and communication. Also, leverage the SDRAM controller's efficient burst access—configure the SDRAM to use 16-bit or 32-bit bus width optimally. If using Linux, employ the framebuffer driver with double buffering to avoid tearing, and consider using a smaller color depth (e.g., 16-bit RGB565) to reduce memory bandwidth.
When integrating the OMAPL138EZCED4 with a SATA 3Gbps SSD, what are the known reliability issues and design precautions for industrial environments?
The SATA controller on the OMAPL138EZCED4 is SATA 1.5/3.0 Gbps compliant but lacks advanced error correction like NCQ (Native Command Queuing). For industrial storage, use industrial-grade SATA SSDs with robust wear-leveling. Key design precautions: provide a dedicated 3.3V power supply for the SSD with sufficient bulk capacitance (e.g., 100µF) to handle inrush current during spin-up or power cycling. Route SATA differential pairs (TX/RX) with controlled impedance (100Ω ±10%) and minimize vias. In noisy environments, use ferrite beads on the power lines. Also, the OMAPL138EZCED4's boot ROM does not support SATA boot; you must boot from NAND, SPI, or SD/MMC and then initialize SATA in software. For data integrity, implement software-based CRC verification, as the controller's hardware ECC is limited.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
OMAPL138EZCED4 CAD Models
Texas Instruments OMAPL138EZCED4 PCB symbols & footprints
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