SDRAM Buffer Desktop with DIMMS Generates output buffer from inpu
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PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
Generates output buffer from input. Supports four DIMMS. Supports 266MHz SDRAM. additional output feedback. Less than delay. Skew between outputs less than 2.5V Supply range. Enhanced Output Drive selected I2C. Available SSOP.
CONFIGURATION
FBOUT VDD2.5 DDR0T DDR0C DDR1T DDR1C VDD2.5 DDR2T DDR2C VDD2.5 BUF_IN DDR3T DDR3C VDD2.5 DDR4T DDR4C DDR5T DDR5C VDD2.5 SDATA VDD2.5 DDR11T DDR11C DDR10T DDR10C VDD2.5 DDR9T DDR9C VDD2.5 DDR8T DDR8C VDD2.5 DDR7T DDR7C DDR6T DDR6C SCLK
PLL103-02
BLOCK DIAGRAM
DDR0T SDATA SCLK Control DDR0C DDR1T DDR1C DDR2T DDR2C DDR3T DDR3C DDR4T BUF_IN DDR4C DDR5T DDR5C DDR6T DDR6C DDR7T DDR7C DDR8T DDR8C DDR9T DDR9C DDR10T DDR10C DDR11T DDR11C
Note: Active
DESCRIPTIONS
PLL103-02 Rev.D designed 2.5V buffer distribute high-speed clocks applications. device outputs. These outputs configured support four unbuffered DIMMS. PLL103-02 Rev.D used conjunction with PLL202-04 similar clock synthesizer chipset. PLL103-02 Rev.D also interface, which enable disable each output clock. When power output clocks enabled (has internal pull up).
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
DESCRIPTIONS
Name
FBOUT BUF_IN DDR[0:11]T
Number
4,6,10,15,19, 21,28,30,34, 39,43,45 5,7,11,16,20, 22,27,29,33, 38,42,44 2,8,12,17,23, 32,37,41,47 3,9,14,18,26, 31,35,40,46
Type
Feedback clock chipset. Reference input from chipset.
Description
Power Down Control input. When low, will tri-state outputs.
connected.
These outputs provide True copies BUF_IN.
DDR[0:11]C VDD2.5
These outputs provide complementary copies BUF_IN. 2.5V power supply. Ground.
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
CONFIGURATION SETTING
Address Assignment Slave Receiver/Transmitter Data Transfer Rate
Provides both slave write readback functionality Standard mode 100kbits/s This serial protocol designed allow both blocks write read from controller. bytes must accessed sequential order from lowest highest byte. Each byte transferred must followed acknowledge bit. byte transferred without acknowledged will terminate transfer. write read block both begins with master sending slave address write condition (0xD2) read condition (0xD3). Following acknowledge this address byte, Write Mode: Command Byte Byte Count Byte must sent master ignored slave, Read Mode: Byte Count Byte will read master then other Data Byte. Byte Count Byte default power-up (0x09).
Data Protocol
CONTROL REGISTERS
BYTE Outputs Register (1=Enable, 0=Disable)
Pin#
Default
Description
Reserved Reserved Enhanced Drive. Enhanced Reserved DDR11T, DDR11C DDR10T, DDR10C DDR9T, DDR9C DDR8T, DDR8C
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
BYTE Outputs Register (1=Enable, 0=Disable)
Pin#
Default
Description
DDR7T, DDR7C DDR6T, DDR6C DDR5T, DDR5C DDR4T, DDR4C DDR3T, DDR3C DDR2T, DDR2C DDR1T, DDR1C DDR0T, DDR0C
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings PARAMETERS
Supply Voltage Input Voltage, Output Voltage, Storage Temperature Ambient Operating Temperature Voltage
SYMBOL
MIN.
MAX.
UNITS
Exposure device under conditions beyond limits specified Maximum Ratings extended periods cause permanent damage device affect product reliability. These conditions represent stress rating only, functional operations device these other conditions above operational limits noted this specification implied.
Operating Conditions PARAMETERS
Supply Voltage Input Capacitance Output Capacitance
SYMBOL
DD2.5
MIN.
2.375
MAX.
2.625
UNITS
Electrical Specifications PARAMETERS
Input High Voltage Input Voltage Input High Current Input Current Output High Voltage Output Voltage Output High Current Output Current
Note: TBM: measured
SYMBOL
CONDITIONS
Inputs except inputs except -12mA, 12mA, 2.375V 2.375V
MIN.
-0.3
TYP.
MAX.
+0.3
UNITS
2.375V, VOUT=1V 2.375V, VOUT=1.2V
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
Electrical Specifications (Continued) PARAMETERS
Supply Current Output Crossing Voltage Output Voltage Swing Duty Cycle Max. Operating Frequency Rising Edge Rate Falling Edge Rate Clock Skew Stabilization Time
Note: TBM: measured
SYMBOL
CONDITIONS
MIN.
(VDD/2) -0.1
TYP.
MAX.
(VDD/2)+ VDD-0.4
UNITS
V/ns V/ns
VDD/2
Measured 1.5V
SKEW
Measured Measured
0.4V 2.4V 2.4V 0.4V
outputs equally loaded
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
PLL103-02 Rev.D
SDRAM Buffer Desktop with DIMMS
PACKAGE INFORMATION
0.400 0.410 10.160 10.414
0.292 0.299 7.417 7.959
0.008 0.0135 0.203 0.343
0.025 0.835
0.015 (0.381) 0.010 0.016 (0.25 0.41) 0.620 0.630 (15.75 16.00)
0.088 0.096 (2.250 2.450)
0.097 0.104 (2.467 2.642) 30-6 0.050 (1.346) 0.008 0.016 (0.20 0.41)
48PIN SSOP
ORDERING INFORMATION
part ordering, please contact Sales Department:
47745 Fremont Blvd., Fremont, 94538, Tel: (510) 492-0990 Fax: (510) 492-0991
PART NUMBER
order number this device combination following: Device number, Package type Operating temperature range
PLL103-02
PART NUMBER TEMPERATURATURE C=COMMERCIAL M=MILITARY I=INDUSTRAL PACKAGE TYPE X=SSOP
PhaseLink Corporation, reserves right make changes products specifications, both time without notice. information furnished PhaseLink believed accurate reliable. However, PhaseLink makes guarantee warranty concerning accuracy said information shall responsible loss damage whatever nature resulting from reliance upon this product. LIFE SUPPORT POLICY: PhaseLink's products authorized critical components life support devices systems without express written approval President PhaseLink Corporation.
47745 Fremont Blvd., Fremont, California 94538 (510) 492-0990 (510) 492-0991
01/11/01 Page
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