SAB-C167CR-LM HA+
| Part Number | SAB-C167CR-LM HA+ |
|---|---|
| Manufacturer | Infineon Technologies / Siemens Semiconductor |
| Category | Integrated Circuits (ICs) > Embedded – Microcontrollers (MCU) |
| Description | High-Performance 16-Bit C166 Microcontroller, 25 MHz, ROMless, 2 KB On-Chip IRAM, CAN 2.0B Interface, MQFP-144 Package, Commercial Grade. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The SAB‑C167CR‑LM HA+ is a discontinued 16‑bit C166 microcontroller from Infineon (Siemens Semiconductor). Running up to 25 MHz with 4‑stage pipeline, this ROMless MCU requires external Flash for firmware. It integrates 2 KB internal IRAM, Full‑CAN 2.0B, 16‑channel 10‑bit ADC and dual CAPCOM timers, supports external XRAM expansion. Housed in MQFP‑144 package, it delivers reliable real‑time performance for industrial and automotive auxiliary control systems.
Core Advantages
High‑Speed 16‑Bit C166 Pipeline Core
4‑stage pipeline with fast context‑switching, offering low‑latency real‑time interrupt response for complex industrial control algorithms.
Integrated CAN 2.0B Controller
Built‑in Full‑CAN 2.0B with 15 message objects, providing robust field‑bus communication for automotive and industrial CAN networks.
Flexible External Bus Expansion
ROMless architecture with configurable external bus controller, supporting 8‑bit /16‑bit external memory and XRAM expansion for large‑data applications.
Rich Integrated Peripherals
Dual CAPCOM units, 16‑channel 10‑bit ADC, hardware PWM, watchdog and dual USART ports, simplifying multi‑sensor control hardware design.
Key Specifications
| Brand | Infineon Technologies |
|---|---|
| RoHS Status | RoHS Compliant / Green Package (“HA+” denotes lead-free halogen-free packaging) |
| EDA / CAD | PCB Footprint & 3D Model Available upon Request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | MQFP-144 (28×28×2.4 mm) |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | SAB-C167CR-LM HA+ / Infineon Logo |
| Core Architecture | 16-Bit C166 Core (CISC/RISC hybrid instruction set) |
| Maximum CPU Frequency | 25 MHz |
| Program Memory Type | ROMless (0KB on-chip program memory, requires external Flash/ROM) |
| RAM Size | 2 KB Internal IRAM, XRAM externally expandable |
| I/O Pin Count | 111 General Purpose I/O Ports |
| Connectivity Peripherals | CAN 2.0B, 1×USART, 1×SPI(SSC), no hardware LIN/I2C/USB |
| A/D Converters | 16-Channel, 10-Bit ADC, minimum conversion time 7.8μs |
| Timers & PWM | 9 general-purpose timers, CCU supports up to 16-channel PWM output |
| Interrupt System | 16-level interrupt priority, 56 interrupt sources, supports PEC DMA data transfer |
| Operating Voltage | 4.5 V to 5.5 V (5.0 V typical) |
| Operating Temperature | 0°C ~ +70°C (Commercial Grade) |
Typical Applications
- Industrial Process Automation, Programmable Logic Controllers (PLCs), Motion Control & Motor Drives
- Automotive Body Electronics, Instrument Panel, Auxiliary Control Modules (non-safety critical domains)
- Elevator Control Systems, HVAC Building Automation, Temperature & Pressure Acquisition Instruments
- Medical Portable Instruments, Semiconductor Equipment Control, Robotic Motion Controllers
- Heavy Equipment Monitoring, Railway Auxiliary Control, Agricultural Machinery Electronic Control Units
Order & Shipping Information
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days after payment confirmation |
| Delivery Time | 3-7 working days worldwide (DHL/UPS/FedEx/EMS) |
| Shipping Methods | DHL, UPS, FedEx, EMS, China Post Registered Air Mail |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What does “ROMless” mean for the SAB‑C167CR‑LM HA+?
A: ROMless means no on‑chip program memory. This MCU cannot execute firmware alone; external Flash or ROM is required via external bus interface.
Q2: What is the difference between HA+ and other suffixes for C167 series?
A: HA+ indicates lead‑free RoHS‑compliant MQFP package. Non‑HA+ are traditional tin‑lead packages. Suffix only affects packaging, not electrical performance or temperature grade.
Q3: What are pin‑to‑pin compatible alternatives for SAB‑C167CR‑LM HA+?
A: Direct drop‑in replacements: SAB‑C167CR‑LM(commercial), SAK‑C167CR‑LM(‑40~125℃ industrial grade), SAF‑C167CR‑LM(automotive grade). For upgraded options, refer to Infineon XMC series or domestic 16‑bit CAN‑enabled MCUs.
Q4: What do SAB‑, SAK‑, SAF‑ prefixes stand for?
A: SAB = commercial grade 0‑70℃; SAK = industrial grade ‑40~125℃ for harsh environments; SAF = automotive grade compliant with AEC‑Q100 for vehicle electronics.
Q5: Why do some sellers list this part with 4KB RAM?
A: SAB‑C167CR‑LM HA+ only has 2KB on‑chip IRAM. The 4KB value mixes internal IRAM plus external expandable XRAM, which is a common misquotation from distributors.
Q6: Can this chip work with LIN bus?
A: No hardware LIN controller on‑board. LIN protocol can be realized by USART software simulation. For reliable LIN applications, select parts with native LIN peripheral.
Q7: Is SAB‑C167CR‑LM HA+ still in production?
A: This device is officially discontinued by Infineon. Available stock consists of original overstock and surplus parts. We also provide compatible alternative recommendations.

