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Part Number: NE57814
Description: The NE57814 is designed to provide power for termination of a DDR memory bus. It significantly reduces pa...
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NE57814
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DataSheet
General Description
NE57814 General Description
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.
NE57814 Maximum Ratings
| SYMBOL | PARAMETER | MIN. | TYP. | MAX. | UNIT |
| VDD |
VDD to VSS voltage |
-0.3 | - | +3.6 | V |
| Tamb |
Operating ambient temperature | - | - | +70 | |
| Tstg |
Storage temperature | -40 | - | +165 | |
| Tj |
Junction temperature | - | - | 160 | |
| Rth(j-a) |
Thermal resistance, junction to ambient (Note 1) | - | 38.5 | - | /W |
| P | Power dissipation (Note 1) | - | - | 2.1 | W |
NE57814 Features
Fast transient response time
Over-temperature protection
Over-current protection
Commercial (0 to 70 ) 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
Over-temperature protection
Over-current protection
Commercial (0 to 70 ) 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
NE57814 Typical Application
Laptop computers
Desktop microcomputer systems
Workstations
Set-top boxes
Servers
Networking routers and switches
Video display systems
Personal video recorders
Game machines
Embedded systems
Desktop microcomputer systems
Workstations
Set-top boxes
Servers
Networking routers and switches
Video display systems
Personal video recorders
Game machines
Embedded systems
NE57814 Connection Diagram
NE57814
PDF/DataSheet Download
- Datasheet: NE57814
- File Size: 208856 KB
- Manufacturer: PHILIPS [Philips Semiconductors]
- Click here to Download
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