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ICS94203 数据表(PDF) 13 Page - Integrated Circuit Systems

部件名 ICS94203
功能描述  Programmable System Frequency Generator for PII/III?
PDF  18 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS94203 数据表(HTML) 13 Page - Integrated Circuit Systems

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ICS94203
Electrical Characteristics - IOAPIC
TA = 0 - 70C; VDDL = 2.5 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Output Impedance
RDSP4B
1
VO = VDD*(0.5)
9
28
30
Ω
Output Impedance
RDSN4B
1
VO = VDD*(0.5)
9
28
30
Ω
Output High Voltage
VOH4B
IOH = -1 mA
2
2.4
V
Output Low Voltage
VOL4B
IOL = 1 mA
0.25
0.4
V
VOH @ MIN = 1.0 V
-62
-27
V
OH @ MAX = 2.375 V
-27
-12
VOL @ MIN = 1.2 V
27
35
VOL @ MAX = 0.3 V
8
30
Rise Time
1
t
r4B
V
OL = 0.4 V, VOH = 2.0 V
0.4
1.45
1.6
ns
Fall Time
1
tf4B
VOH = 2.0 V, VOL = 0.4 V
0.40.971.6
ns
Duty Cycle
1
dt4B
V
T = 1.25 V
45
49.3
55
%
Jitter, Cycle-to-cycle
1
tjcyc-cyc4B
VT = 1.25 V
130
500
ps
1Guaranteed by design, not 100% tested in production.
Output High Current
IOH4B
mA
Output Low Current
IOL4B
mA
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 20-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Impedance
RDSP3B
1
VO = VDD*(0.5)
10
16
24
Ω
Output Impedance
RDSN3B
1
VO = VDD*(0.5)
10
17.5
24
Ω
Output High Voltage
VOH3
IOH = -1 mA
2.4
3.3
V
Output Low Voltage
VOL3
IOL = 1 mA
0.01
0.4
V
VOH @ MIN = 2.0 V
-70
-46
VOH @ MAX = 3.135 V
-54
-29
VOL @ MIN = 1.0 V
54
90
VOL @ MAX = 0.4 V
28
53
Rise Time
1
tr3
VOL = 0.4 V, VOH = 2.4 V
0.4
0.9
1.6
ns
Fall Time
1
tf3
VOH = 2.4 V, VOL = 0.4 V
0.4
0.8
1.6
ns
Duty Cycle
1
dt3
VT = 1.5 V
45
49.2
55
%
Skew window
1
tsk3
VT = 1.5 V
83
250
ps
Jitter, Cycle-to-cycle
1
tjcyc-cyc3
VT = 1.5 V, CPU=66,100,133 MHz
214
250
ps
1Guaranteed by design, not 100% tested in production.
mA
mA
Output High Current
Output Low Current
IOH3
IOL3



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