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ICS950508 数据表(PDF) 13 Page - Integrated Circuit Systems

部件名 ICS950508
功能描述  Programmable Timing Control HubTM for PII/IIITTM
PDF  19 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS950508 数据表(HTML) 13 Page - Integrated Circuit Systems

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13
Integrated
Circuit
Systems, Inc.
ICS950508
0470E—04/06/05
Electrical Characteristics - SDRAM
TA = 0 - 70°C; VDD = 3.3 V +/-5%, CL = 20 - 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Impedance
1
RDSP3
Vo=VDD*(0.5)
10
24
Ω
Output Impedance
1
RDSN3
Vo=VDD*(0.5)
10
24
Ω
Output High Voltage
VOH3
IOH = -1 mA
2.4
V
Output Low Voltage
VOL3
IOL = 1 mA
0.4
V
VOH@MIN = 2 V
-46
VOH@MAX = 3.135V
-54
VOL@MIN = 1 V
54
VOL@MAX =0.4V
53
Rise Time
1
tr3
VOL = 0.4 V, VOH = 2.4 V
0.4
1.2
1.6
ns
Fall Time
1
tf3
VOH = 2.4 V, VOL = 0.4 V
0.4
0.9
1.6
ns
Duty Cycle
1
dt3
VT = 1.5 V
45
50
55
%
Skew
1
tsk3
VT = 1.5 V
218
250
ps
Jitter, cycle-to-cycle
1
tjcyc-cyc3
VT = 1.5 V
225
250
ps
1Guaranteed by design, not 100% tested in production.
Output High Current
IOH3
mA
Output Low Current
IOL3
mA
Electrical Characteristics - 3V66
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Impedance
1
RDSP1
VO = VDD*(0.5)
12
55
Ω
Output Impedance
1
RDSN1
VO = VDD*(0.5)
12
55
Ω
Output High Voltage
VOH1
IOH = -1 mA
2.4
V
Output Low Voltage
VOL1
IOL = 1 mA
0.55
V
VOH @ MIN = 1.0 V
-33
VOH @ MAX = 3.135 V
-33
VOL @ MIN = 1.95 V
30
VOL @ MAX = 0.4 V
38
Rise Time
1
tr1
VOL = 0.4 V, VOH = 2.4 V
0.4
1.55
2
ns
Fall Time
1
tf1
VOH = 2.4 V, VOL = 0.4 V
0.4
1.65
2
ns
Duty Cycle
1
dt1
VT = 1.5 V
45
53
55
%
Skew
1
tsk1
VT = 1.5 V
94
175
ps
Jitter, Cycle-to-cycle
1
tjcyc-cyc1
VT = 1.5 V
350
500
ps
1Guaranteed by design, not 100% tested in production.
Output High Current
IOH1
mA
Output Low Current
IOL1
mA



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