NE57814DD
DDR memory termination regulator with standby mode and enhanced efficiency
The NE57814 is designed to provide power for termination of a DDR memory bus. It significantly reduces parts count, board space, and overall system cost over previous switching solutions. The NE57814 has an independent power source pin (VD) for further reducing the operational power and a standby low-power mode for energy-sensitive portable applications.
The DDR terminator regulator provides a very accurate reference (RefOut) and termination voltage (VTT) which is one-half of the RAM supply voltage over wide range of current demand.

Features and benefits
Fast transient response time
Over-temperature protection
Over-current protection
Commercial (0 Cel to 70 Cel) temperature range
High bandwidth drivers minimize requirement for output hold-up filter capacitors
Internal divider maintains termination voltage at 1/2 memory supply voltage
RefOut output pin for other memory and control components

应用
Laptop computers
Desktop microcomputer systems
Workstations
Set-top boxes
Servers
Networking routers and switches
Video display systems
Personal video recorders
Game machines
Embedded systems