Infineon Technologies S70KL1283GABHB020

Overview

S70KL1283GABHB020 from Infineon is a 128 Mb self-refresh DRAM (PSRAM) with octal xSPI interface, supporting 1.8 V/3.0 V operation and delivering up to 400 MBps data throughput at 200 MHz DDR clock rate. It integrates two 64-Mb stacked dice, features configurable burst lengths (16–128 bytes), hybrid sleep and deep power down modes, and operates across industrial (–40°C to +85°C) and automotive AEC-Q100 Grade 2 (–40°C to +105°C) temperature ranges. Used in embedded vision processors and real-time display controllers for low-latency frame buffering.

For engineers reviewing the S70KL1283GABHB020 datasheet, S70KL1283GABHB020 pinout, S70KL1283GABHB020 application, or S70KL1283GABHB020 equivalent, key selection criteria include octal xSPI timing compliance, RWDS strobe behavior under DCARS mode, partial array refresh granularity, drive strength configurability, and dual-voltage I/O support for mixed-signal SoC interfacing.

Technical Context

This PSRAM implements a stacked-die architecture with independent refresh control per 64-Mb die, enabling selective Hybrid Sleep mode entry on one die while the other remains active. Its xSPI command set includes RESET ENABLE, READ ID, DEEP POWER DOWN, and WRITE ANY REGISTER - all executed via 8-bit DQ bus with CS#-driven transaction framing.

The device uses single-ended or optional differential CK/CK# clocking (11 or 12 signal count), with RWDS serving as bidirectional strobe: output during reads (including DCARS phase-shifted variant), input during writes as mask, and latency indicator at transaction start. DCARS shifts RWDS edge into the read data eye using a second clock derived from CK.

Key Specifications

Pinout & Package

24-ball FBGA (5 mm × 5 mm, 0.8 mm pitch), RoHS-compliant, with ball map matching JEDEC MO-276AA standard. Package supports automated optical inspection and fine-pitch routing in space-constrained embedded modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S27KL0641DPBHI020 and MT48LC16M16A2P-6A, the S70KL1283GABHB020 uniquely combines octal xSPI bandwidth, self-refresh autonomy, and per-die power gating - enabling scalable, low-software-overhead frame buffering in thermally constrained edge systems.

Availability

S70KL1283GABHB020 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial HMIs, edge AI vision processors, and medical imaging modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for S70KL1283GABHB020 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 is a German semiconductor manufacturer specializing in power management, automotive ICs, and memory solutions, with global R&D centers and ISO/TS 16949-certified manufacturing.

The HYPERRAM™ product line targets high-bandwidth, low-pin-count memory expansion for resource-constrained MCUs and SoCs - specifically designed to replace parallel PSRAM and SRAM in display, vision, and real-time control applications.

FAQ

What is the function of the RWDS signal in S70KL1283GABHB020?

RWDS is a bidirectional strobe: it outputs latency-indicating pulses at transaction start and serves as read data strobe during reads (with optional DCARS phase shift), and acts as write data mask during writes. Its behavior is fully defined in xSPI timing diagrams and requires precise PCB layout matching to CK for setup/hold compliance.

Does S70KL1283GABHB020 require external refresh management?

No. The device contains integrated self-refresh logic that autonomously manages DRAM array refresh without host intervention. The host sees static RAM-like behavior - no refresh commands or timing windows are required in normal operation.

Can both 64-Mb dice enter Deep Power Down simultaneously?

No. Due to stacked-die architecture constraints, only one die can be placed in Deep Power Down or Hybrid Sleep mode at a time. The other die remains accessible for host transactions, enabling asymmetric power management in multi-threaded workloads.

What package variant does S70KL1283GABHB020 use?

S70KL1283GABHB020 uses a 24-ball FBGA package (5 mm × 5 mm, 0.8 mm pitch) compliant with JEDEC MO-276AA. Ball assignments match standard xSPI pinout: DQ[7:0], CS#, CK/CK#, RWDS, and RESET# occupy defined positions for mechanical and electrical interoperability.