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參數(shù)資料
| 型號： | CY28344PVC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | FTG for Intel Pentium 4 CPU and Chipsets |
| 中文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 197K |
| 代理商： | CY28344PVC |
PRELIMINARY
FTG for Intel Pentium 4 CPU and Chipsets
CY28344
Cypress Semiconductor Corporation
Document #: 38-07113, Rev. *A
3901 North First Street
San Jose
CA 95134
Revised December 26, 2002
408-943-2600
Features
C
ompatible to Intel CK-Titan and CK-408 Clock
Synthesizer/Driver Specifications
System frequency synthesizer for Intel Brookdale (845)
and Brookdale G Pentium 4 Chipsets
Programmable clock output frequency with less than
1MHz increment
Integrated fail-safe Watchdog timer for system
recovery
Automatically switch to HW-selected or
SW-programmed clock frequency when Watchdog
timer time-out
Capable of generating system RESET after a Watchdog
timer time-out occurs or a change in output frequency
via SMBus interface
Support SMBus byte Read/Write and block Read/Write
operations to simplify system BIOS development
Vendor ID and Revision ID support
Programmable drive strength support
Programmable output skew support
Power management control inputs
Available in 48-pin SSOP
CPU
×3
3V66
×4
PCI
×9
REF
×1
48M
×2
~
Block Diagram
VDD_REF
REF_2X
CPU0:2, CPU0:2#,
XTAL
OSC
PLL Ref Freq
X2
X1
VDD_PCI
PCI_F0:1
SCLK
PLL 1
SMBus
Logic
VDD_48MHz
48MHz
SDATA
VDD_3V66
3V66_1:3
Divider
Network
VDD_CPU
PLL2
FS0:4
2
VTTPWRGD/PD#
VDD_REF
X1
X2
GND_REF
^FS0/PCI_F0
^FS1/PCI_F1
VDD_PCI
GND_PCI
PCI0
PCI1
PCI2
PCI3
VDD_PCI
GND_PCI
PCI4
PCI5
PCI6
VDD_3V66
GND_3V66
3V66_1
3V66_2
3V66_3
RST#
VDD_CORE
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
28
27
26
25
REF_2X/FS2^
CPU0
CPU0#
VDD_CPU
CPU1
CPU1#
GND_CPU
VDD_CPU
CPU2
CPU2#
MULTSEL0
IREF
GND_CPU
48MHz/FS3^
24_48MHz
VDD_48MHz
GND_48MHz
3V66_0/VCH_CLK/FS4^
VDD_3V66
GND_3V66
SCLK
SDATA
VTTPWRGD/PD#*
GND_CORE
MULTSEL0
PCI0:6
24_48MHz
RST#
Note:
1.
Signals marked with “*” and “^,” respectively, have internal pull-up and
pull-down resistors.
VDD_3V66
3V66_0/VCH_CLK
C
SSOP-48
Pin Configuration
[1]
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相關(guān)代理商/技術(shù)參數(shù) |
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| CY28346OC | 制造商:Rochester Electronics LLC 功能描述:FTG FOR INTEL 830M AND 845 CHIPSETS (CK-408) - Bulk |
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