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參數(shù)資料
| 型號(hào)： | 9LPRS464YGLFT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 240 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封裝： | 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153N, TSSOP-56 |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 246K |
| 代理商： | 9LPRS464YGLFT |
7
ICS9LPRS464
System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUss
IDTTM/ICSTM
System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs
1377A—04/07/08
AC Electrical Characteristics - Low-Power DIF Outputs: SRC and ATIG
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Rising Edge Slew Rate
t
SLR
Differential Measurement
0.5
2
V/ns
1,2
Falling Edge Slew Rate
t
FLR
Differential Measurement
0.5
2
V/ns
1,2
Slew Rate Variation
t
SLVAR
Single-ended Measurement
20
%
1
Maximum Output Voltage
V
HIGH
Includes overshoot
1150
mV
1
Minimum Output Voltage
V
LOW
Includes undershoot
-300
mV
1
Differential Voltage Swing
V
SWING
Differential Measurement
300
mV
1
Crossing Point Voltage
V
XABS
Single-ended Measurement
300
550
mV
1,3,4
Crossing Point Variation
V
XABSVAR
Single-ended Measurement
140
mV
1,3,5
Duty Cycle
D
CYC
Differential Measurement
45
55
%
1
SRC, ATIG, Jitter - Cycle to
Cycle
SRCJ
C2C
Differential Measurement
125
ps
1
SRC[5:0] Skew
SRC
SKEW
Differential Measurement
250
ps
1
SB_SRC[1:0] Skew
SRC
SKEW
Differential Measurement
100
ps
1
ATIG[3:0] Skew
SRC
SKEW
Differential Measurement
100
ps
1
1Guaranteed by design and characterization, not 100% tested in production.
2 Slew rate measured through Vswing centered around differential zero
3 Vxabs is defined as the voltage where CLK = CLK#
4 Only applies to the differential rising edge (CLK rising and CLK# falling)
6 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz
5 Defined as the total variation of all crossing voltages of CLK rising and CLK# falling. Matching applies to rising edge rate of
Electrical Characteristics - USB - 48MHz
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX
UNITS
NOTES
Long Accuracy
ppm
see Tperiod min-max values
-100
100
ppm
1,2
Clock period
Tperiod
48.00MHz output nominal
20.8229
20.8344
ns
2
Clock Low Time
Tlow
Measure from < 0.6V
9.3750
11.4580
ns
2
Clock High Time
Thigh
Measure from > 2.0V
9.3750
11.4580
ns
2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
1
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
1
V OH @MIN = 1.0 V
-33
mA
1
VOH@MAX = 3.135 V
-33
mA
1
VOL @ MIN = 1.95 V
30
mA
1
VOL @ MAX = 0.4 V
38
mA
1
Rise Time
tr_USB
VOL = 0.4 V, VOH = 2.4 V
0.5
1.5
ns
1
Fall Time
tf_USB
VOH = 2.4 V, VOL = 0.4 V
0.5
1.5
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
55
%1
Group Skew
tskew
VT = 1.5 V
250
ps
1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
130
ps
1,2
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 5 pF with Rs = 33
(unless otherwise specified)
1Guaranteed by design and characterization, not 100% tested in production.
2ICS recommended and/or chipset vendor layout guidelines must be followed to meet this specification
Output Low Current
IOL
Output High Current
IOH
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