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参数资料
| 型号： | 94228BFLF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 233.33 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, LEAD FREE, MO-118, SSOP-48 |
| 文件页数： | 3/19页 |
| 文件大小： | 189K |
| 代理商： | 94228BFLF |
11
ICS94228
0447E—05/07/04
Electrical Characteristics - REF
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Output High Voltage
VOH5
IOH = -12 mA
2.4
V
Output Low Voltage
VOL5
IOL = 9 mA
0.4
V
Output High Current
IOH5
VOH = 2.0 V
-22
mA
Output Low Current
IOL5
VOL = 0.8 V
16
mA
Rise Time
1
tr5
VOL = 0.4 V, VOH = 2.4 V
1.3
4
ns
Fall Time
1
tf5
VOH = 2.4 V, VOL = 0.4 V
1.4
4
ns
Duty Cycle
1
dt5
VT = 1.5V
45
54
57
%
1Guaranteed by design, not 100% tested in production.
Electrical Characteristics - CPUCLK (Open Drain)
TA = 0 - 70°C; VDD = 3.3 V +/-5%; VDDL=2.5V+/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
MIN
TYP
UNITS
Output Impedance
ZO
W
V
Output Low Current
IOL2B
18
mA
Rise Time
1, CPUCLK
tr2B
2.2
ns
Fall Time
1, CPUCLK
tf2B
1.3
ns
Duty Cycle
1
dt2B
45
50
%
Skew
1
tsk2B
140
Jitter, Cycle-to-cycle
1,
CPUCLK
tjcyc-cyc2B
150
ps
Notes:
1 - Guaranteed by design, not 100% tested in production.
2 - VDIF specifies the minimum input differential voltages (VTR-VCP) required for switching, where VTR is the "tr
3 - Vpullup(external) = 2.7V, Min = Vpullup(external)/2-150mV; Max=(Vpullup(external)/2)+150mV
Differential Crossover
Voltage
1
CPUCLK(Open Drain)
VX
Note 3
1.2
0.4
0.2
VOL = 0.3V
VOL = 20%, VOH = 80%
VOH = 80%, VOL=20%
VT = 50%
VT = VX
200
250
55
V
Vpullup(external)
+ 0.6
V
1.7
V
1.4
Vpullup(external)
+ 0.6
2.0
2.5
Output Low Voltage
Differential voltage-DC
1
VDIF
Note 2
Vpull-up(external)
Differential voltage-AC
1
VDIF
Note 2
Termination to
MAX
1
VOL2B
Vpull-up(external)
1.2
0.4
Output High Voltage
VOH2B
CONDITIONS
VO = VX
Termination to
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