LS1023ASN7PQB
| Part Description |
ARM® Cortex®-A53 Microprocessor IC QorIQ® Layerscape 2 Core, 64-Bit 1.4GHz 621-FCPBGA (21x21) |
|---|---|
| Quantity | 1,524 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | LS1023A |
| Manufacturer | NXP USA Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 18 Weeks |
| Datasheet |
Specifications & Environmental
| Core Processor | ARM® Cortex®-A53 | Device Package | 621-FCPBGA (21x21) | ECCN | 5A002A1 | ||
|---|---|---|---|---|---|---|---|
| Ethernet | 1GbE (7) or 10GbE (1) & 1GbE (5) | HTS Code | 8542.31.0001 | Moisture Sensitivity Level | 3 (168 Hours) | ||
| Mounting Method | Surface Mount | Mounting Type | Surface Mount | Number of Cores/Bus Width | 2 Core, 64-Bit | ||
| Operating Temperature | 0°C ~ 105°C | Package / Case | 621-FBGA, FCBGA | RAM Controllers | DDR3L, DDR4 | ||
| REACH Compliance | REACH Unaffected | RoHS Compliance | ROHS3 Compliant | SATA | SATA 6Gbps (1) | ||
| Security Features | Secure Boot, TrustZone® | Speed | 1.4GHz | Supplier Device Package | 621-FCPBGA (21×21) | ||
| USB | USB 3.0 (2) + PHY |
Overview of LS1023ASN7PQB – IC MPU QORIQ 1.4GHZ 621FCPBGA
The LS1023ASN7PQB is an NXP QorIQ Layerscape microprocessor featuring a dual-core ARM® Cortex®-A53 64-bit CPU running at 1.4 GHz. It is designed for embedded networking and industrial infrastructure where integrated connectivity and efficient compute are required.
This processor targets compact, small-form-factor networking and edge applications by combining dual 64-bit cores, multi-protocol I/O, and security features to enable secure, fanless designs and BOM-optimized system architectures.
Key Features
- Core & Performance Dual ARM® Cortex®-A53 64-bit cores at 1.4 GHz, providing 64-bit processing for edge and networking workloads.
- Memory Integrated memory controllers supporting DDR3L and DDR4 to match system performance and power targets.
- Ethernet & SerDes Flexible Ethernet configurations (1GbE: seven ports, or 10GbE: one plus five 1GbE) and multi-protocol SerDes for high-speed interface support as described for the Layerscape family.
- Storage & USB Single SATA 6Gbps port and two USB 3.0 controllers with PHY to support high-speed peripheral and storage connectivity.
- Security On-chip security features including Secure Boot and ARM® TrustZone® for platform integrity and trusted execution.
- Integration & Offload QorIQ Layerscape architecture with datapath acceleration and frame management elements (as detailed in the family documentation) to reduce CPU overhead for networking packet handling.
- Package & Assembly 621-FCPBGA (21 × 21 mm) FCBGA package; surface-mount mounting for compact board-level integration.
- Operating Range & Compliance Operating temperature range 0 °C to 105 °C and RoHS compliant for regulatory alignment.
Typical Applications
- Branch Office Routers Dual-core 64-bit processing plus flexible Ethernet connectivity supports routing and edge services in compact branch office equipment.
- vCPE and Edge Appliances Layerscape integration and datapath acceleration enable virtualized customer premises equipment and other edge compute appliances.
- Multi‑protocol IoT Gateways High-speed SerDes and multiple Ethernet ports accommodate protocol translation, aggregation, and secure edge connectivity for IoT gateways.
- Industrial Control and PLC Robust operating temperature and integrated connectivity make the part suitable for industrial control platforms and compact PLCs.
- Security Appliances Secure Boot and TrustZone® support deployment in security-focused network appliances requiring platform integrity.
Unique Advantages
- Balanced Dual-Core 64‑Bit Compute: ARM® Cortex®-A53 cores at 1.4 GHz deliver modern 64-bit processing while keeping power and BOM considerations appropriate for edge designs.
- Flexible Ethernet Topology: Configurable Ethernet options (multiple 1GbE ports or a mix including 10GbE) let designers match connectivity to application needs without major redesign.
- Integrated High‑Speed I/O: On-chip support for SATA 6Gbps and USB 3.0 plus multi-protocol SerDes simplifies system-level I/O integration and reduces external components.
- Platform Security Primitives: Secure Boot and TrustZone® provide foundational security mechanisms to help protect firmware and runtime environments.
- Compact, Surface‑Mount Package: The 621-FCPBGA (21×21) package supports small-form-factor, high-density PCB designs typical of edge and embedded networking products.
- Designed for Edge Networking: As part of the QorIQ Layerscape family, the LS1023A-series processor line is documented for networking use-cases including datapath acceleration and frame management to lower CPU overhead.
Why Choose LS1023ASN7PQB?
The LS1023ASN7PQB combines dual 64-bit ARM® Cortex®-A53 cores, flexible memory and I/O interfaces, and platform security features in a compact 621-FCPBGA package—making it well suited for embedded networking, edge, and industrial designs that require integrated connectivity and trusted platform capabilities. Its operating range to 105 °C and RoHS compliance support deployment in a variety of industrial and commercial environments.
As a member of the NXP QorIQ Layerscape family, this processor offers architects a scalable path within the same architecture for designs that need consistent software and hardware building blocks across dual- and quad-core options.
Request a quote or submit a purchase inquiry to get pricing and availability for LS1023ASN7PQB and accelerate your next embedded networking or edge design.

Date Founded: 2006
Headquarters: Eindhoven, North Brabant, Netherlands
Employees: 38,000+
Revenue: $10.53 Billion
Certifications and Memberships: ISO9001:2015, IATF16949:2016