Infineon Technologies S70KS1283GABHV020

Overview

S70KS1283GABHV020 from Infineon is a 128 Mb pseudo-static RAM (PSRAM) with self-refresh DRAM architecture, octal xSPI interface, 1.8 V/3.0 V dual-voltage support, 200 MHz max clock rate, and 24-ball FBGA package. It serves as high-bandwidth, low-latency external memory for microcontrollers and SoCs in embedded vision, industrial HMI, and automotive infotainment systems requiring seamless DRAM-like density with SRAM-like ease of use.

For engineers reviewing the S70KS1283GABHV020 datasheet, S70KS1283GABHV020 pinout, S70KS1283GABHV020 application, or S70KS1283GABHV020 equivalent, key selection criteria include xSPI octal bus timing compliance, RWDS strobe behavior in DDR read/write cycles, configurable burst lengths (16–128 bytes), hybrid sleep mode power gating per die, and AEC-Q100 Grade 2 qualification for automotive thermal environments.

Technical Context

This PSRAM integrates two stacked 64 Mb DRAM dies sharing a single xSPI interface; only one die may enter Hybrid Sleep or Deep Power Down at a time. Its memory control logic handles all refresh autonomously, eliminating host-side refresh management while maintaining compatibility with standard xSPI command sets including READ ID, WRITE ENABLE, and DEEP POWER DOWN.

The device supports both single-ended (CK) and optional differential (CK/CK#) clocking, with RWDS functioning bidirectionally: as a read data strobe aligned to CK edges and as a write mask input. DCARS mode enables phase-shifted RWDS alignment to maximize read data eye margin at 200 MHz DDR operation.

Key Specifications

Pinout & Package

24-ball FBGA (5 mm × 5 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3. Package footprint matches JEDEC MO-270BA standard.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PSRAM applications.

Compared with S27KL0641DPBHI020 and MT46H128M16LFQ-5IT:C, the S70KS1283GABHV020 uniquely combines octal xSPI simplicity, 128 Mb density, per-die power gating, and DCARS-enhanced signal integrity - enabling higher throughput and lower system-level power management complexity in thermally demanding embedded applications.

Availability

S70KS1283GABHV020 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial HMIs, edge AI vision preprocessing, and medical imaging control panels requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for S70KS1283GABHV020 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and memory solutions, with global R&D and manufacturing infrastructure.

The HYPERRAM™ product line targets high-performance embedded systems needing DRAM density without DRAM complexity - specifically designed for seamless integration with MCU and SoC xSPI peripherals in automotive, industrial, and IoT edge devices.

FAQ

What is the difference between S70KS1283GABHV020 and standard DDR SDRAM?

The S70KS1283GABHV020 is a self-refresh PSRAM with integrated refresh logic and xSPI command interface, requiring no external refresh controller or complex PHY training. Unlike DDR SDRAM, it uses a simple 11–12 signal bus, supports direct MCU connection without memory controller IP, and provides deterministic latency for burst reads/writes - making it ideal for resource-constrained embedded hosts.

Does S70KS1283GABHV020 support both 1.8 V and 3.0 V operation simultaneously?

No. The device operates exclusively at either 1.8 V or 3.0 V for both VCC and VCCQ rails - selected at power-up via internal voltage detection circuitry. Mixed-voltage operation is not supported, and the supply rails must be ramped monotonically during startup to ensure proper initialization and register configuration retention.

How does the RWDS signal function during write transactions?

During write operations, RWDS acts as an input byte mask: each rising edge samples the corresponding DQ[7:0] value, and the sampled bit enables or disables writing to that byte lane. This allows partial writes without read-modify-write cycles, reducing bus traffic and improving efficiency for small-data updates like register overlays or status flags.

Can both 64 Mb dies enter Deep Power Down mode concurrently?

No. Due to shared control logic and bus arbitration, only one die can be placed into Deep Power Down mode at a time. The second die remains in standby or active state. This constraint is explicitly documented in the datasheet and enforced by internal state machine sequencing - ensuring reliable wake-up timing and avoiding inter-die contention during power-state transitions.