Description

The LT4250 is a hot swap controller designed for electronic component applications. It is a high-performance CMOS dynamic random access memory with a capacity of 262,144 x 16 bits. The LT4250 offers fast page mode with extended data output and supports both byte write and word write access cycles via two CAS pins. It has symmetric address and accepts 512-cycle refresh in an 8ms interval. This component is best suited for graphics and DSP applications that require high-performance memories.

Specifications and Features

• 262,144 words by 16 bits organization.
• Fast access time and cycle time.
• Dual CAS input.
• Low power dissipation.
• Read-Modify-Write, RAS-Only Refresh, CAS-Before-RAS Refresh, Hidden Refresh, and Test Mode Capability.
• 512 refresh cycles per 8ms.
• Available in 40-Pin 400 mil SOJ and 40/44 Pin TSOP(II) packages.
• Single +3.3V±10% power supply.
• All inputs and outputs are TTL compatible.
• Extended Data-Out (EDO) Page Mode operation.

Application Scenarios

The LT4250 is specifically designed for electronic component applications such as hot swap controllers. It can be used in a variety of scenarios, including graphics and DSP applications that require high-performance memories.

Comparison