W9812G6KB-6I

The W9812G6KB-6I is a high-speed synchronous dynamic RAM (SDRAM) device providing 128 Mbit of volatile memory in an 8M × 16 organization (2M × 4 banks × 16 bits). It supports synchronous burst-oriented access and is offered in an industrial -6I speed grade.

Designed for systems that require compact, high-throughput external memory, the device runs up to 166 MHz with a LVTTL memory interface and operates from a 3.0 V to 3.6 V supply. The -6I grade is specified for operation from -40 °C to 85 °C and is supplied in a 54‑TFBGA (8 × 8 mm) package.

Key Features

• Memory Architecture  8M × 16 organization (2M × 4 banks × 16 bits) delivering 128 Mbit total capacity and burst-oriented access for sequential data transfers.
• Performance  Rated for operation up to 166 MHz with an access time of 5 ns, supporting high-rate synchronous memory transactions.
• Interface  LVTTL memory interface for standard TTL-compatible signal levels.
• Power  Operates from a 3.0 V to 3.6 V supply range.
• Operational Modes  Supports SDRAM control functions including mode register programming, auto-precharge, auto-refresh, self-refresh and power-down modes as described in the device functional specification.
• Package  54‑TFBGA (8 × 8 mm) ball-grid array for compact board footprint.
• Temperature Range  Industrial -6I grade specified for operation from -40 °C to 85 °C.

Typical Applications

• Embedded memory expansion  External SDRAM for microcontroller- or FPGA-based systems requiring 128 Mbit of volatile storage with burst access.
• Industrial control equipment  Systems that need memory rated for operation across -40 °C to 85 °C.
• Compact board designs  Applications requiring a small footprint memory solution using a 54‑TFBGA (8 × 8 mm) package.

Unique Advantages

• Industrial temperature capability: The -6I grade supports operation from -40 °C to 85 °C, enabling use in temperature-challenging environments.
• Synchronous burst performance: Up to 166 MHz operation and burst-oriented access support efficient high-throughput memory transfers.
• Standard LVTTL interface: TTL-compatible signaling simplifies integration with common logic families and controllers that support LVTTL.
• Compact BGA package: 54‑TFBGA (8 × 8 mm) reduces PCB area while providing a robust ball-grid array mounting.
• Flexible power range: 3.0 V to 3.6 V supply range accommodates typical 3.3 V system rails.

Why Choose W9812G6KB-6I?

The W9812G6KB-6I balances compact packaging and industrial temperature capability with synchronous SDRAM performance. Its 128 Mbit capacity, 8M × 16 organization and up to 166 MHz operation provide a straightforward external memory option for embedded and industrial applications that need burst-oriented data transfers and a small PCB footprint.

Engineers specifying this device benefit from clear operational modes (auto-refresh, self-refresh, power-down, auto-precharge) and a LVTTL interface that aligns with common system logic levels, making the W9812G6KB-6I a practical choice where verifiable SDRAM behavior and temperature range are required.

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