參數(shù)資料
型號(hào)： CY28323OXCT
廠(chǎng)商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 15/21頁(yè)
文件大?。?/td> 0K
描述： IC CLOCK BROOKDALE GPENT4 48SSOP
標(biāo)準(zhǔn)包裝： 1,000
類(lèi)型： 時(shí)鐘/頻率發(fā)生器
PLL： 是
主要目的： Intel CPU 服務(wù)器
輸入： 晶體
輸出： HCSL，LVCMOS
電路數(shù)： 1
比率 - 輸入:輸出： 1:21
差分 - 輸入:輸出： 無(wú)/是
頻率 - 最大： 248MHz
電源電壓： 3.135 V ~ 3.465 V
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 48-BSSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 48-SSOP
包裝： 帶卷 (TR)
CY28323PVC
... Document #: 38-07004 Rev. *B Page Page 3 of 21 of 21
PWR_DWN#
42
I
Power Down Control: 3.3V LVTTL-compatible input that places the device in
power-down mode when held LOW.
SCLK
26
I
SMBus Clock Input: Clock pin for serial interface.
SDATA
25
I/O
SMBus Data Input: Data pin for serial interface.
RST#
20
O
(open-
drain)
System Reset Output: Open-drain system reset output.
IREF
35
I
Current Reference for CPU Output: A precision resistor is attached to this pin
which is connected to the internal current reference.
VTT_PWRGD#
19
I
Powergood from Voltage Regulator Module (VRM): 3.3V LVTTL input.
VTT_PWRGD# is a level-sensitive strobe used to determine when FS0:4 and
MULTSEL0:1 inputs are valid and OK to be sampled (Active LOW). Once
VTT_PWRGD# is sampled LOW, the status of this input will be ignored.
VDD_REF,
VDD _PCI,
VDD_48MHz,
VDD_3V66,
VDD_CPU
2, 9, 18, 24,
32, 39, 46
P
3.3V Power Connection: Power supply for CPU outputs buffers, 3V66 output
buffers, PCI output buffers, reference output buffers and 48-MHz output buffers.
Connect to 3.3V.
GND_PCI,
GND_48MHz,
GND_3V66,
GND_CPU,
GND_REF,
5, 13, 21, 29,
36, 43, 47
G
Ground Connection: Connect all ground pins to the common system ground
plane.
VDD_CORE
34
P
3.3V Analog Power Connection: Power supply for core logic, PLL circuitry.
Connect to 3.3V.
GND_CORE
33
G
Analog Ground Connection: Ground for core logic, PLL circuitry.
Pin Definitions (continued)
Pin Name
Pin No.
Pin
Type
Pin Description
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY28323PVC 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY28324 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:FTG for Intel Pentium 4 CPU and Chipsets
CY28324_02 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets
CY28324PVC 制造商:Cypress Semiconductor 功能描述:PLL Frequency Generator Dual 48-Pin SSOP 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY28324PVCT 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
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