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Número de pieza | PCK2011 | |
Descripción | Direct RAMbus Clock Generator | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
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PCK2011
Direct RAMbus Clock Generator
Preliminary specification
1999 Jan 19
Philips
Semiconductors
1 page Philips Semiconductors
Direct Rambus™ Clock Generator
Preliminary specification
PCK2011
Power Management Modes
The DRCG device has three operating states: NORMAL, CLKSTOP
and POWERDOWN. In Normal mode, the clock source is on, and
the output is enabled. In CLKSTOP mode, the clock source is on,
but the output is disabled (STOPB deasserted). In Powerdown
mode, the device is powered down with the control signal PwrDnB
equal to 0. The control signals Mult0, Mult1, S0, S1 and S2 must be
stable before power is applied to the device, and can only be
changed in Power-down mode (PWRDNB=0).
Table 2. POWER MANAGEMENT MODES
MODE
NORMAL
CLKSTOP
POWERDOWN
PwrDnB
1
1
0
StopB
1
0
X
Clk
PACLK
VX, STOP
GND
ClkB
PACLKB
VX, STOP
GND
Upon applying power to the device, the device can enter any state,
depending on the settings of the control signals, PwrDnB and StopB.
The clock source output need not be glitch-free during state
transitions.
REFCLK
DRCG
TEST MUX
PLLCLK
B
PPL
A
PWRDNB S0
S1
BYPASS MUX
BYPCLK
PHASE
ALIGNER
PACLK
ΦD
S2
X
STOPB
CLK
CLKB
MULT
0
MULT
1
2
PCLKM
Figure 2. Direct Rambus Clock Generator Package
SYNCLKN
SW00360
1999 Jan 19
5
5 Page Philips Semiconductors
Direct RAMbus Clock Generator
Preliminary specification
PCK2011
Data sheet status
Data sheet
status
Product
status
Definition [1]
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
Product
specification
Production
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 94088–3409
Telephone 800-234-7381
© Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print code
Document order number:
Date of release: 05-96
9397-750-04956
Philips
Semiconductors
yyyy mmm dd
11
11 Page |
Páginas | Total 11 Páginas | |
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