參數(shù)資料
型號(hào): 9P935AFLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: 9P SERIES, LOW SKEW CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
封裝: 0.209 INCH, ROHS COMPLIANT, MO-150, SSOP-28
文件頁(yè)數(shù): 9/13頁(yè)
文件大?。?/td> 191K
代理商: 9P935AFLFT
IDTTM/ICSTM
DDR I/DDR II Phase Lock Loop Zero Delay Buffer
ICS9P935
REV H
12/1/08
ICS9P935
DDR I/DDR II Phase Lock Loop Zero Delay Buffer
5
Notes:
1.
Refers to transition on noninverting output in PLL bypass mode.
2.
While the pulse skew is almost constant over frequency, the duty cycle error increases at
higher frequencies. This is due to the formula: duty cycle=twH/tc, were the cycle (tc)
decreases as the frequency goes up.
3.
Switching characteristics guaranteed for application frequency range.
4.
Static phase offset shifted by design.
Timing Requirements
TA = 0 - 70°C Supply Voltage AVDD, VDD = 1.8 V +/- 0.1V (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
Max clock frequency
freqop
1.8V+0.1V @ 25°C
125
500
MHz
Application Frequency
Range
freqApp
1.8V+0.1V @ 25°C
160
400
MHz
Input clock duty cycle
dtin
40
60
%
CLK stabilization
TSTAB
15
s
Switching Characteristics
1
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
Output enable time
ten
OE to any output
8
ns
Output disable time
tdis
OE to any output
8
ns
Period jitter
tjit (per)
-40
40
ps
Half-period jitter
tjit(hper)
-75
75
ps
Input Clock
1
2.5
4
v/ns
Output Enable (OE), (OS)
0.5
v/ns
Output clock slew rate
SLr1(o)
1.5
2.5
3
v/ns
tjit(cc+)
040
ps
tjit(cc-)
0
-40
ps
Dynamic Phase Offset
t( )dyn
-50
50
ps
Phase error
t(phase error)
2
-50
0
50
ps
Output to Output Skew
tskew
40
ps
SSC modulation frequency
30.00
33
kHz
SSC clock input frequency deviation
0.00
-0.50
%
Cycle-to-cycle period jitter
Input slew rate
SLr1(i)
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