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参数资料
| 型号： | 9250BF-16-T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封装： | 0.300 INCH, SSOP-56 |
| 文件页数： | 6/19页 |
| 文件大小： | 570K |
| 代理商： | 9250BF-16-T |
14
ICS9250-16
Group Skews (CPU = 66 MHz)
TA = 0 - 70 C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%
CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF
Refer to Group Offset Waveform diagram for definition of transition edges.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CPU to SDRAM
Skew
1
Tsk1 CPU-SDRAM
-3
-2.6
-2
ns
Skew Window
1
Tw1 CPU-SDRAM
0
150
500
ps
CPU to 3V66
Skew
1
Tsk1 CPU-3V66
77.2
8
ns
Skew Window
1
Tw1 CPU-3V66
0
130
500
ps
SDRAM to 3V66
Skew
1
Tsk1 SDRAM-3V66
-500
100
500
ps
Skew Window
1
Tw1 SDRAM-3V66
0
155
500
ps
3V66 to PCI
Skew
1
Tsk1 3V66-PCI
1.5
2.4
3.5
ns
Skew Window
1
Tw1 3V66-PCI
0
275
500
ps
IOAPIC to PCI
Skew
1
Tsk1 IOAPIC-PCI
-1
-0.4
1
ns
Skew Window
1
Tw1 IOAPIC-PCI
00.25
1
ns
1Guaranteed by design, not 100% tested in production.
CPU @ 1.25 V, SDRAM @ 1.5 V
CPU @ 1.25 V, 3V66 @ 1.5 V
SDRAM, 3V66 @ 1.5 V
3V66, PCI @ 1.5 V
IOAPIC @ 1.25 V, PCI @ 1.5 V
Group Skews (CPU = 100 MHz)
TA = 0 - 70 C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%
CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF
Refer to Group Offset Waveform diagram for definition of transition edges.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CPU to SDRAM
Skew
1
Tsk2 CPU-SDRAM
4.5
4.9
5.5
ns
Skew Window
1
Tw2 CPU-SDRAM
0
140
500
ps
CPU to 3V66
Skew
1
Tsk2 CPU-3V66
4.5
4.8
5.5
ns
Skew Window
1
Tw2 CPU-3V66
0
150
500
ps
SDRAM to 3V66
Skew
1
Tsk2 SDRAM-3V66
-500
100
500
ps
Skew Window
1
Tw2 SDRAM-3V66
0
155
500
ps
3V66 to PCI
Skew
1
Tsk2 3V66-PCI
1.5
2.4
3.5
ns
Skew Window
1
Tw2 3V66-PCI
0
275
500
ps
IOAPIC to PCI
Skew
1
Tsk2 IOAPIC-PCI
-1
-0.4
1
ns
Skew Window
1
Tw2 IOAPIC-PCI
00.25
1
ns
1Guaranteed by design, not 100% tested in production.
CPU @ 1.25 V, SDRAM @ 1.5 V
CPU @ 1.25 V, 3V66 @ 1.5 V
SDRAM, 3V66 @ 1.5 V
3V66, PCI @ 1.5 V
IOAPIC @ 1.25 V, PCI @ 1.5 V
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