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ASM4SSTVF32852 Datasheet DDR 24-Bit to 48-Bit Registered Buffer

Manufacturer: Alliance Semiconductor Corporation

Datasheet Details

Part number ASM4SSTVF32852
Manufacturer Alliance Semiconductor Corporation
File Size 149.39 KB
Description DDR 24-Bit to 48-Bit Registered Buffer
Download ASM4SSTVF32852 Download (PDF)

General Description

The 24-Bit to 48-Bit ASM4SSTVF32852 is a universal bus driver designed for 2.3V to 2.7V VDD operation and SSTL_2 I/O levels except for the LVCMOS RESETB input.

Data flow from D to Q is controlled by the differential clock (CLK/CLKB) and a control signal (RESETB).

The positive edge of CLK is used to trigger the data flow, and CLKB is used to maintain sufficient noise margins, whereas the RESETB, an LVCMOS asynchronous signal is intended for use at the time of power-up only.

Overview

August 2004 rev 2.0 DDR 24-Bit to 48-Bit Registered Buffer ASM4SSTVF32852.

Key Features

  • Differential clock signals. Supports SSTL_2 class II specifications on inputs and outputs. Low voltage operation.
  • VDD = 2.3V to 2.7V. To ensure that outputs are at a defined logic state before a stable clock has been supplied, RESETB must be held at a logic “Low” level during power-up. In the DDR DIMM.