- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄366977 > CY28405-2 Clocks and Buffers PDF資料下載
參數(shù)資料
| 型號(hào)： | CY28405-2 |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 時(shí)鐘和緩沖器 |
| 文件頁數(shù)： | 1/48頁 |
| 文件大小： | 538K |
| 代理商： | CY28405-2 |
當(dāng)前第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁
Clock Synthesizer with Differential SRC and CPU Outputs
CY28405-2
Cypress Semiconductor Corporation
Document #: 38-07511 Rev. *C
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised Spetember 29, 2003
Features
Supports Intel
Pentium
4-type CPUs
Selectable CPU frequencies
3.3V power supply
Nine copies of PCI clocks
Four copies of 3V66 with one optional VCH
Two copies 48-MHz clock
Three differential CPU clock pairs
One differential SRC clock
Support SMBus/I
2
C Byte, Word and Block Read/ Write
Ideal Lexmark Spread Spectrum profile for maximum
electromagnetic interference (EMI) reduction
48-pin SSOP package
Note:
1.
Signals marked with [*] and [**] have internal pull-up and pull-down resistors, respectively.
CPU
SRC
3V66
PCI
REF
48M
x 3
x 1
x 4
x 9
x 2
x 2
Block Diagram
Pin Configuration
SSOP-48
~
VDD_REF
REF(0:1)
XTAL
OSC
PLL Ref Freq
XOUT
XIN
VDD_PCI
PCIF(0:2)
SCLK
PLL 1
I
2
C
Logic
VDD_48MHz
DOT_48
USB_48
SDATA
VDD_3V66
3V66_(0:2)
Divider
Network
VDD_CPU
CPUT(0:1, ITP), CPUC(0:1, ITP)
FS_(A:B)
VTT_PWRGD#
PD#
IREF
PCI(0:5)
3V66_3/VCH
2
PLL2
VDD_SRCT
SRCT, SRCC
*FS_A/REF_0
*FS_B/REF_1
VDD_REF
XIN
XOUT
VSS_REF
PCIF0
PCIF1
PCIF2
VDD_PCI
VSS_PCI
PCI0
PCI1
PCI2
PCI3
VDD_PCI
VSS_PCI
PCI4
PCI5
PD#
DOT_48
USB_48
VSS_48
VDD_48
VDDA
VSSA
IREF
VDD_SRC
VTT_PWRGD#
SRCT
SRCC
VSS_SRC
CPUT0
CPUC0
VDD_CPU
CPUT1
CPUC1
VSS_CPU
CPUT_ITP
CPUC_ITP
SCLK*
3V66_0
3V66_1
VSS_3V66
SDATA*
VDD_3V66
3V66_2
3V66_3/VCH
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C
* 100k Internal Pull-up
[1]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28405-3 | Clocks and Buffers |
| CY28412 | Clocks and Buffers |
| CY28419 | Clocks and Buffers |
| CY28510 | Clocks and Buffers |
| CY2901CDC | Microprocessor Slice |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28405-3 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs |
| CY28405OC | 制造商:Cypress Semiconductor 功能描述: |
| CY28405OC-2 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs |
| CY28405OC-2T | 制造商:Rochester Electronics LLC 功能描述:FTG FOR INTEL 865 AND 875 CHIPSETS (CK409) - Bulk |
| CY28405OC-3 | 制造商:Rochester Electronics LLC 功能描述:CLOCK SYNTHESIZER WITH DIFFERENTIAL SRC & CPU OUT - Bulk |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。