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PCK2001

Features: • HIGH speed, LOW noise non-inverting 118 buffer• Typically used to support four SDRAM DIMMs• Multiple VDD, VSS pins for noise reduction• 3.3V operation• Separate 3-State pin for testing• ESD protection exceeds 2000V per Standard 801.2• Optimized...

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SeekIC No. : 004456638 Detail

PCK2001: Features: • HIGH speed, LOW noise non-inverting 118 buffer• Typically used to support four SDRAM DIMMs• Multiple VDD, VSS pins for noise reduction• 3.3V operation• Sepa...

PCK2001 Data Sheet

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Part Number:
PCK2001
Supply Ability:
5000

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

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Product Details

Description



Features:

• HIGH speed, LOW noise non-inverting 118 buffer
• Typically used to support four SDRAM DIMMs
• Multiple VDD, VSS pins for noise reduction
• 3.3V operation
• Separate 3-State pin for testing
• ESD protection exceeds 2000V per Standard 801.2
• Optimized for 66MHz, 100MHz and 133MHz operation
• 175 ps skew outputs
• Available in 48-pin SSOP package
• See PCK2001M for mobile (reduced pincount) 28-pin 1-10 buffer version
• Individual clock output enable/disable via I2C


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITION
LIMITS
UNIT
MIN
MAX
VDD
 DC 3.3 V supply voltage
0.5
+4.6
V
IIK
 DC input diode current
VI < 0
-
50
mA
VI
 DC input voltage
Note 2
0.5
5.5
V
IOK
 DC output diode current
VO > VDD or VO < 0
-
±50
mA
VO
 DC output voltage
Note 2
0.5
VCC + 0.5
V
IO
 DC output source or sink current
VO . 0 to VDD
-
±50
mA
Tstg
 Storage temperature range
65
+150
°C
Ptot
 Power dissipation per package
plastic medium-shrink SO (SSOP)
For temperature range: 0 to +70 °C above +55 °C derate linearly with 11.3 mW/K
-
850
mW

NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.




Description

The PCK2001 is a 118 fanout buffer used for 133/100 MHz CPU, 66/33 MHz PCI, 14.318 MHz REF, or 133/100/66 MHz SDRAM clock distribution. 18 outputs are typically used to support up to 4 SDRAM DIMMS commonly found in desktop, workstation or server applications.

All clock outputs of PCK2001 meet Intel's drive, rise/fall time, accuracy, and skew requirements. An I2C interface is included to allow each output to be enabled/disabled individually. An output disabled via the I2C interface will be held in the LOW state. In addition, there is an OE input which 3-States all outputs.




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