W9812G6KB-6I TR

The W9812G6KB-6I TR is a high-speed synchronous dynamic random access memory (SDRAM) device providing 128 Mbit of volatile memory in a 54-TFBGA (8×8) package. It is organized as 2M words × 4 banks × 16 bits (8M × 16) and supports LVTTL signaling for memory interface integration.

Designed for applications requiring synchronous burst-oriented access, this industrial-grade (-6I) part supports operation up to 166 MHz with CAS latency 3 and an operating temperature range of -40°C to 85°C.

Key Features

• Memory Core  128 Mbit SDRAM organized as 2M × 4 banks × 16 bits (8M × 16), providing burst-oriented access and banked architecture for sequential and interleaved operations.
• Performance  Supports data rates up to 166 MHz and a 5 ns access time, enabling high-speed synchronous transfers with CAS latency 3 operation.
• Interface  LVTTL memory interface for standard logic-level connectivity in host designs.
• Power  Single-supply operation from 3.0 V to 3.6 V.
• Package  54-TFBGA (8×8) package case for compact board-level integration and reduced footprint.
• Industrial Temperature  -40°C to 85°C operating temperature for the -6I industrial grade.
• Synchronous Command Set  Supports typical SDRAM command operations including bank activate, burst read/write, auto-precharge, self-refresh and power-down modes as defined in the device functional description.

Typical Applications

• Embedded memory subsystems  Use as volatile SDRAM for system working memory where a 128 Mbit LVTTL interface is required.
• Industrial electronics  Suitable for designs needing industrial temperature range operation (-40°C to 85°C) with synchronous burst access.
• High-speed buffering  Implements high-rate data buffering and temporary storage where up to 166 MHz synchronous transfers are needed.

Unique Advantages

• Industrial-grade temperature support: The -6I grade supports -40°C to 85°C operation, allowing deployment in temperature-challenging environments.
• High synchronous data rate: Up to 166 MHz operation with CAS latency 3 enables predictable, high-speed burst transfers.
• Compact BGA package: 54-TFBGA (8×8) package minimizes board space while providing a standard ball configuration for PCB assembly.
• Standard LVTTL interface: LVTTL signaling simplifies integration with compatible logic-level systems.
• Flexible supply range: Supports 3.0 V to 3.6 V supply voltages to match common system rails.

Why Choose W9812G6KB-6I TR?

The W9812G6KB-6I TR positions itself as a synchronous 128 Mbit SDRAM solution for designs that need predictable, burst-oriented memory with industrial temperature capability. Its banked 2M × 4 × 16-bit organization, support for up to 166 MHz operation with CAS latency 3, and LVTTL interface make it suitable for systems requiring compact, high-speed volatile memory.

This device offers a balance of performance, compact packaging, and industrial temperature tolerance, making it a practical choice for engineers specifying onboard SDRAM where these specific electrical and timing characteristics are required.

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