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参数资料
| 型号： | ICS9250YF-23 |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封装： | 0.300 INCH, MO-118, SSOP-56 |
| 文件页数： | 5/15页 |
| 文件大小： | 184K |
| 代理商： | ICS9250YF-23 |
13
ICS9250-23
0391B—09/18/03
Electrical Characteristics - SDRAM
TA = 0 - 70°C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL =30 pF
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output High Voltage
VOH1
IOH = -1 mA
2.4
3.28
V
Output Low Voltage
VOL1
IOL = 1 mA
0.03
0.4
V
VOH@MIN = 2 V
-85
-54
VOH@MAX = 3.135V
-46
-12
VOL@MIN = 1 V
54
63
VOL@MAX =0.4V
27
53
Rise Time
1
tr1
VOL = 0.4 V, VOH = 2.4 V
0.4
1.25
1.6
ns
Fall Time
1
tf1
VOH = 2.4 V, VOL = 0.4 V
0.4
1.53
1.6
ns
Duty Cycle
1
dt1
VT = 1.5 V
45
53.2
55
%
Skew
tsk1
VT = 1.5 V
267
380
ps
Jitter
1
, Cycle-to-Cycle
tjcyc-cyc1
VT = 1.5 V
176
250
ps
1Guaranteed by design, not 100% tested in production.
mA
Output High Current
IOH1
Output Low Current
IOL1
(No Skew Window is needed for Group Skew spec.)
TA = 0 - 70 C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%
24MHz, 48MHz, REF, CPU & IOAPIC load = 20 pF; PCI, SDRAM & 3V66 load = 30 pF.
Refer to Group Offset Waveform diagram for definition of transition edges.
Group Skews (CPU = 66 MHz; SDRAM = 100MHz)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
CPU to SDRAM
Skew
1
Tsk1 CPU-SDRAM
CPU @ 1.25 V, SDRAM @ 1.5 V
2.0
3.0
ns
CPU to 3V66
Skew
1
Tsk1 CPU-3V66
CPU @ 1.25 V, 3V66 @ 1.5 V
7
8
ns
SDRAM to 3V66
Skew
1
Tsk1 SDRAM-3V66
SDRAM @1.5V, 3V66 @ 1.5 V
-500
394
500
ps
3V66 to PCI
Skew
1
Tsk1 3V66-PCI
3V66 @1.5V, PCI @ 1.5 V
1.5
2.58
3.5
ns
Group Skews (CPU = 100 MHz; SDRAM = 100MHz)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
CPU to SDRAM
Skew
1
Tsk1 CPU-SDRAM
CPU @ 1.25 V, SDRAM @ 1.5 V
4.5
5.5
ns
CPU to 3V66
Skew
1
Tsk1 CPU-3V66
CPU @ 1.25 V, 3V66 @ 1.5 V
4.5
4.63
5.5
ns
SDRAM to 3V66
Skew
1
Tsk1 SDRAM-3V66
SDRAM @1.5V, 3V66 @ 1.5 V
-500
396
500
ps
3V66 to PCI
Skew
1
Tsk1 3V66-PCI
3V66 @1.5V, PCI @ 1.5 V
1.5
2.58
3.5
ns
Group Skews (CPU = 133 MHz; SDRAM = 100MHz)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
CPU to SDRAM
Skew
1
Tsk1 CPU-SDRAM
CPU @ 1.25 V, SDRAM @ 1.5 V
-500
-322
500
ps
CPU to 3V66
Skew
1
Tsk1 CPU-3V66
CPU @ 1.25 V, 3V66 @ 1.5 V
-500
-284
500
ps
SDRAM to 3V66
Skew
1
Tsk1 SDRAM-3V66
SDRAM @1.5V, 3V66 @ 1.5 V
-500
389
500
ps
3V66 to PCI
Skew
1
Tsk1 3V66-PCI
3V66 @1.5V, PCI @ 1.5 V
1.5
2.61
3.5
ns
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| ICS9250YF-25-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
| ICS9250YF-26-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
| ICS9250YF-27-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
| ICS9250YF-28-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
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