RM46L852PGET Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
RM46L852PGET is a 32-bit ARM Cortex-R4F safety MCU with 1.25MB flash in a 144-pin LQFP package, designed for ISO 26262 automotive safety applications with dual-core lockstep operation and hardware fault detection. Key specs include integrated EMAC, FlexRay, and CAN interfaces. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 144
- Lifecycle
- OBSOLETE
- Datasheet
- RM46L852PGET Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-core ARM Cortex-R4F in hardware lockstep mode achieving ASIL-D safety integrity level for ISO 26262 automotive and IEC 61508 industrial applications
- 1.25MB flash with integrated EMAC, FlexRay, and CAN interfaces in a 144-pin LQFP package enabling full connectivity for automotive body and chassis ECUs
- On-chip ECC on both flash and RAM with hardware BIST for memories and CPU, reducing external diagnostic software overhead in functional safety designs
Applications
RM46L852PGET targets automotive safety-critical electronic control units such as electric power steering, braking systems, and transmission controllers requiring ISO 26262 ASIL-D compliance. It also suits industrial functional-safety applications under IEC 61508 SIL 3, including industrial motor drives, process controllers, and railway safety equipment where dual-core lockstep and hardware fault detection are mandatory.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Bit Size | 32 |
| CPU Family | CORTEX-R4F |
| JESD-30 Code | S-PQFP-G144 |
| JESD-609 Code | e4 |
| On Chip Program ROM Width | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP144,.87SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 196608 |
| ROM (words) | 1310720 |
| ROM Programmability | FLASH |
| Speed | 220MHz |
| Supply Current-Max | 360mA |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What safety integrity level does RM46L852PGET support and what hardware mechanism enables it?
RM46L852PGET is certified to achieve ASIL-D under ISO 26262 and SIL 3 under IEC 61508 through a dual-core ARM Cortex-R4F lockstep architecture, where two cores execute identical code simultaneously and hardware logic compares outputs on every cycle. Any discrepancy between the 2 cores immediately triggers a safe-state response, eliminating the need for software-based redundancy checks in safety-critical automotive or industrial designs.
Which communication interfaces are integrated in RM46L852PGET and how do they serve automotive ECU designs?
RM46L852PGET integrates EMAC (100Mbps Ethernet), FlexRay, multiple CAN channels, SPI, and UART peripherals, covering the major automotive communication standards in a single 144-pin LQFP device. For an automotive body control module or chassis ECU, this means a single MCU can simultaneously handle CAN-based OBD-II diagnostics, FlexRay real-time chassis data, and Ethernet-based OTA updates without requiring external bridge ICs.
How much flash does RM46L852PGET provide and what package options suit high pin-count automotive PCB designs?
RM46L852PGET provides 1.25MB of flash with ECC protection for code and data integrity, housed in a 144-pin LQFP (QFP144, 0.87mm² body, 20mm × 20mm outline, 0.5mm pitch). This pin count and package size support the large number of I/O signals typical in automotive ECUs while remaining compatible with standard PCB manufacturing processes at 0.5mm pitch via automated SMT assembly.
Related Guides
EEEFK1E470P Selection Guide for 47 uF SMD Aluminum Electrolytic Capacitors
Selection guidance for EEEFK1E470P and nearby Panasonic FK or FT SMD aluminum electrolytic capacitors for power-rail bulk decoupling.
Jul 7, 2026
EEEFT1V101AP Design Guide for SMD Aluminum Electrolytic Bulk Decoupling
Design guidance for using EEEFT1V101AP as an SMD aluminum electrolytic bulk capacitor in power-rail decoupling and hold-up networks.
Jul 7, 2026
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”