參數(shù)資料
型號: 935269846112
廠商: NXP SEMICONDUCTORS
元件分類: 時鐘產(chǎn)生/分配
英文描述: 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 6.10 MM, PLASTIC, MO-153, SOT-362-1, TSSOP-48
文件頁數(shù): 10/14頁
文件大小: 89K
代理商: 935269846112
Philips Semiconductors
Product data
PCK2022RA
CK00 (100/133 MHz) spread spectrum differential
system clock generator
2001 Jun 12
5
Table 1. Host swing select functions
MULTSEL0
MULTSEL1
BOARD
IMPEDANCE
IREF
IOH
VOH @ IREF = 2.32 mA
0
60
RREF = 475 1%
IREF = 2.32 mA
IOH = 5*IREF
0.71 V
0
50
RREF = 475 1%
IREF = 2.32 mA
IOH = 5*IREF
0.59 V
0
1
60
RREF = 475 1%
IREF = 2.32 mA
IOH = 6*IREF
0.85 V
0
1
50
RREF = 475 1%
IREF = 2.32 mA
IOH = 6*IREF
0.71 V
1
0
60
RREF = 475 1%
IREF = 2.32 mA
IOH = 4*IREF
0.56 V
1
0
50
RREF = 475 1%
IREF = 2.32 mA
IOH = 4*IREF
0.47 V
1
60
RREF = 475 1%
IREF = 2.32 mA
IOH = 7*IREF
0.99 V
1
50
RREF = 475 1%
IREF = 2.32 mA
IOH = 7*IREF
0.82 V
0
30
RREF = 221 1%
IREF = 5 mA
IOH = 5*IREF
0.75 V
0
25
RREF = 221 1%
IREF = 5 mA
IOH = 5*IREF
0.62 V
0
1
30
RREF = 221 1%
IREF = 5 mA
IOH = 6*IREF
0.90 V
0
1
25
RREF = 221 1%
IREF = 5 mA
IOH = 6*IREF
0.75 V
1
0
30
RREF = 221 1%
IREF = 5 mA
IOH = 4*IREF
0.60 V
1
0
25
RREF = 221 1%
IREF = 5 mA
IOH = 4*IREF
0.50 V
1
30
RREF = 221 1%
IREF = 5 mA
IOH = 7*IREF
1.05 V
1
25
RREF = 221 1%
IREF = 5 mA
IOH = 7*IREF
0.84 V
NOTE:
The outputs are optimized for the configurations shown shaded.
CONDITIONS
CONFIGURATION
LOAD
MIN.
MAX.
IOUT
VDD = 3.3 V
All combinations;
see Table 1 above
Nominal test load for
given configuration
–7% of IOH
see Table 1 above
+7% of IOH
see Table 1 above
IOUT
VDD = 3.3 V ±5%
All combinations;
see Table 1 above
Nominal test load for
given configuration
–12% of IOH
see Table 1 above
+12% of IOH
see Table 1 above
POWER-DOWN MODE
PWRDWN
HCLK/HCLKB
IOCLK
48MHz
REFCLK
Asserts LOW
0 = Active
Host = 2*IREF
Host_bar = undriven
LOW
NOTE:
The differential outputs should have a voltage forced across them when power-down is asserted.
SPREAD SPECTRUM FUNCTION
SPREAD #
FUNCTION
48 MHz PLL
REFCLK
1
Host/IOCLK
No Spread
0
Host/IOCLK
Down spread –0.5%
No Spread
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