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NE57814

Features: Fast transient response timeOver-temperature protectionOver-current protectionCommercial (0 to 70 ) temperature rangeHigh bandwidth drivers minimize requirement for output hold-up filter capacitorsInternal divider maintains termination voltage at 1/2 memory supply voltageRefOut output p...

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NE57814: Features: Fast transient response timeOver-temperature protectionOver-current protectionCommercial (0 to 70 ) temperature rangeHigh bandwidth drivers minimize requirement for output hold-up filter ...

NE57814 Data Sheet

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Part Number:
NE57814
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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


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


Pinout

Connection Diagram


Specifications

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



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 NE57814 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.




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