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PCK2022R Datasheet

CK00 100/133 MHz spread spectrum differential system clock generator

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INTEGRATED CIRCUITS
PCK2022R
CK00 (100/133 MHz) spread spectrum
differential system clock generator
Product specification
Supersedes data of 2000 Aug 08
2000 Nov 13
Philips
Semiconductors


NXP Semiconductors Electronic Components Datasheet

PCK2022R Datasheet

CK00 100/133 MHz spread spectrum differential system clock generator

No Preview Available !

Philips Semiconductors
CK00 (100/133 MHz) spread spectrum
differential system clock generator
Product specification
PCK2022R
FEATURES
3.3 V operation
Eight differential CPU clock pairs
One IO clock at 33 MHz and 66 MHz
Two 48 MHz clocks at 3.3 V
One 14.318 MHz reference clock
Power management control pins
Host clock jitter less than 200 ps cycle-to-cycle
Host clock skew less than 150 ps pin-to-pin
Spread Spectrum capability
DESCRIPTION
The PCK2022R is a clock synthesizer/driver for a Pentium IIIand
other similar processors
The PCK2022R has eight differential pair CPU current source
outputs, one 33/66 MHz output which is configurable on power-up,
two 48 MHz clocks which can be disabled on power-up, and one
3.3 V reference clock at 14.318 MHz which can also be disabled on
power-up. All clock outputs meet Intel’s drive strength, rise/fall times,
jitter, accuracy, and skew requirements.
The part possesses a dedicated power-down input pin for power
management control. This input is synchronized on chip, and
ensures glitch-free output transitions. In addition, the part can be
configured to disable the 48 MHz outputs for lower power operation
and an increase in the performance of the functioning outputs. The
IOCLK and REFCLK can also be disabled for the highest
performance of the Host outputs.
PIN CONFIGURATION
IOCLK 1
VDD 2
48M_0/SELA 3
48M_1/SELB 4
VSS 5
VDD 6
HCLK0 7
HCLKB0 8
VSS 9
HCLK1 10
HCLKB1 11
VDD 12
HCLK2 13
HCLKB2 14
VSS 15
HCLK3 16
HCLKB3 17
VDD 18
REFCLK/SELC 19
SPREAD 20
VSS 21
XIN 22
XOUT 23
VDD 24
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
48-Pin Plastic TSSOP
0°C to +70°C
ORDER CODE
PCK2022R DGG
48 SEL100/133
47 VSS
46 VDDA
45 VSSA
44 PWRDWN
43 VDD
42 HCLK4
41 HCLKB4
40 VSS
39 HCLK5
38 HCLKB5
37 VDD
36 HCLK6
35 HCLKB6
34 VSS
33 HCLK7
32 HCLKB7
31 VDD
30 MULTSEL0
29 MULTSEL1
28 VSS
27 VSSA
26 IREF
25 VDDA
SW00665
DRAWING NUMBER
SOT362-1
Intel and Pentium III are trademarks of Intel Corporation.
2000 Nov 13
2
853–2225 25005


Part Number PCK2022R
Description CK00 100/133 MHz spread spectrum differential system clock generator
Maker NXP
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PCK2022R Datasheet PDF






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