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參數資料
| 型號： | C9853AT |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | TSSOP-48 |
| 文件頁數： | 15/16頁 |
| 文件大小： | 145K |
| 代理商： | C9853AT |
+/+
…when timing is critical
C9853
High Performance Pentium
III Clock Generator
Preliminary
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
1.0
4/13/2000
MILPITAS, CA TEL 408-263-6300, FAX 408-263-6571
Page 8 of 16
http://www.imicorp.com
Group Offset Limits
Group
Offset
Measurement Loads (Lumped)
Measure Point
3V66 to PCI
1.5-3.5 nS 3V66 leads
3V66@ 30 pF, PCI @ 30 pF
3V66@ 1.5V, PCI @ 1.5 V
Notes:
1.
All offsets are to be measured at rising edges.
Lumped Capacitive Test Loads for Single Ended Outputs
Clock
Max Load
Units
PCI Clocks (PCLK)
30
pF
3VMref, 3VMref_b
20
pF
3V66
30
pF
48 MHz Clock
20
pF
REF
20
pF
CPU (1:6) (1:6)#
Rs = 33.2 Rp = 49.9
Ohm
Test and Measurement Setup
For Differiential Output Signals
The following shows lumped test load configurations for the differential Host Clock Outputs. Multsel(0:1) = 0, 1
Figure 3. Lumped Test Load Configuration
Test Nodes
Rp
Rs
Rp
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