W9812G6JH-6I

The W9812G6JH-6I is a high-speed synchronous DRAM (SDRAM) device from Winbond Electronics, organized as 2M × 4 banks × 16 bits for a total of 128 Mbit. It implements a parallel SDRAM interface and supports standard SDRAM command sets including burst read/write, auto-precharge, self-refresh and power-down modes.

This device is offered in the -6I industrial speed grade (compliant to 166 MHz / CAS Latency 3) and is targeted at personal computer and industrial applications that require board-level SDRAM capacity with an industrial operating temperature range.

Key Features

• Core Architecture Organized as 2M × 4 banks × 16 bits (equivalent to 8M × 16), providing 128 Mbit of SDRAM memory.
• SDRAM Performance Supports 166 MHz operation in the -6/-6I grade with CAS Latency = 3 and a typical access time of 5 ns.
• Burst and Command Support Implements standard SDRAM commands and modes including burst read/write, burst stop, auto-precharge, self-refresh, power-down and mode register programming as detailed in the datasheet.
• Parallel Memory Interface Parallel SDRAM interface suitable for synchronous board-level memory designs.
• Voltage Operates from 3.0 V to 3.6 V supply.
• Industrial Temperature Grade -6I grade is guaranteed for operation from -40°C to 85°C (TA).
• Package Supplied in a 54‑lead TSOP II package (0.400" / 10.16 mm width) for surface-mount board assembly.

Typical Applications

• Personal Computer Memory Meets personal computer industrial standard requirements for board-level SDRAM in computing platforms.
• Industrial Systems Industrial-grade temperature range (-40°C to 85°C) makes it suitable for industrial equipment requiring robust operating limits.
• Board-Level SDRAM Expansion Parallel interface and standard SDRAM command support enable use as on-board dynamic memory for embedded and system designs.

Unique Advantages

• Industrial Temperature Support: Guaranteed -40°C to 85°C operation for the -6I grade, addressing industrial ambient requirements.
• Standard SDRAM Command Set: Full support for burst operations, auto-precharge, self-refresh and power-down modes simplifies integration with standard memory controllers.
• Defined Performance Grade: -6I grade rated for 166 MHz operation with CAS Latency = 3, providing a clear performance target for system timing.
• Compact Surface-Mount Package: 54‑TSOP II package (10.16 mm width) enables compact PCB layouts for high-density memory implementations.
• <strong-Widely Documented: Detailed timing, command and electrical specifications are provided in the device datasheet to support system design and validation.

Why Choose W9812G6JH-6I?

The W9812G6JH-6I combines a standard parallel SDRAM architecture with industrial temperature capability and defined 166 MHz/CL3 performance, making it suitable for designers needing a documented, board-level SDRAM solution for personal computer and industrial platforms. Its 128 Mbit capacity, 2M×4-bank organization and support for common SDRAM modes (auto-refresh, self-refresh, burst access) streamline integration with standard memory controllers.

Backed by Winbond Electronics' device documentation, this part is appropriate for teams requiring verifiable timing, electrical and package data for system-level design, qualification and production in environments that demand extended temperature operation.

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