參數(shù)資料
型號: 9EPRS488CKLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQCC72
封裝: ROHS COMPLIANT, PLASTIC, MLF-72
文件頁數(shù): 4/22頁
文件大?。?/td> 266K
代理商: 9EPRS488CKLFT
12
Integrated
Circuit
Systems, Inc.
ICS9EPRS488
Datasheet
1616—08/20/09
Electrical Characteristics - 27MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
-50
50
1,2
-15
15
1,2,3
Clock period
Tperiod
27.000MHz output nominal
37.0365
37.0376
ns
2
Output High Voltage(27SS)
VOH
IOH = -1 mA
2.1
V
1,10
Output High Voltage (27NSS)
VOH
IOH = -1 mA
0.8
V
1,11
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
1
VOH = 1.0 V
-29
mA
1,10
VOH = 3.135 V
-23
mA
1,10
VOL = 1.95 V
29
mA
1,10
VOL = 0.4 V
27
mA
1,10
Edge Rate
tslewr/f
Rising/Falling edge rate
VT @ 20%-80%
12
4
V/ns
1
Duty Cycle
dt1
VT = 1.5 V
45
55
%
1
tltj
Long Term (10us)
300
ps
1
tjcyc-cyc
VT = 1.5 V
200
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#
Long Accuracy
ppm
see Tperiod min-max values
ppm
10 V
DD = 3.3V
11 V
DD = 1.1V
Jitter
Output High Current
IOH
Output Low Current
IOL
Electrical Characteristics - USB - 48MHz
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX
UNITS
NOTES
Long Accuracy
ppm
see Tperiod min-max values
-100
0
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 = 22 (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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