參數(shù)資料
型號: ICS8430S10BYI-02LF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 23/31頁
文件大?。?/td> 0K
描述: IC CLK GENERATOR PLL 48TQFP
標(biāo)準(zhǔn)包裝: 250
類型: 時(shí)鐘/頻率發(fā)生器,扇出緩沖器(分配),多路復(fù)用器
PLL:
主要目的: Cavium 處理器
輸入: LVCMOS,LVDS,LVPECL,LVTTL,SSTL,晶體
輸出: LVCMOS,LVDS,LVPECL,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 2:10
差分 - 輸入:輸出: 是/是
頻率 - 最大: 133.33MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-PTQFP-EP(7x7)
包裝: 托盤
ICS8430S10BYI-02 REVISION C JANUARY 17, 2011
3
2011 Integrated Device Technology, Inc.
ICS8430S10I-02 Data Sheet
CLOCK GENERATOR FOR CAVIUM PROCESSORS
Table 1. Pin Descriptions
Number
Name
Type
Description
1, 13, 23
VDD
Power
Core supply pins.
2
nOE_D
Input
Pulldown
Active LOW output enable for Bank D outputs. When logic HIGH, the outputs are
in high impedance (HI-Z). When logic LOW, the outputs are enabled.
LVCMOS/LVTTL interface levels.
3, 12, 30, 31,
39, 42, 46
GND
Power
Power supply ground.
4
nPLL_SEL
Input
Pulldown
PLL bypass. When LOW, PLL is enable. When HIGH, PLL is bypassed.
LVCMOS/LVTTL interface levels.
5,
6
XTAL_IN,
XTAL_OUT
Input
Parallel resonant crystal interface. XTAL_OUT is the output, XTAL_IN is the input.
7
nXTAL_SEL
Input
Pulldown
Selects XTAL inputs when LOW. Selects differential clock (CLK, nCLK) input when
HIGH. LVCMOS/LVTTL interface levels.
8
CLK
Input
Pulldown
Non-inverting differential clock input.
9
nCLK
Input
Pullup/
Pulldown
Inverting differential clock input. Internal resistor bias to VDD/2.
10
nOE_C
Input
Pulldown
Active LOW output enable for Bank C output. When logic HIGH, the output is in
high impedance (HI-Z). When logic LOW, QC output is enabled. LVCMOS/LVTTL
interface levels.
11
nOE_B
Input
Pulldown
Active LOW output enable for Bank B outputs. When logic HIGH, the outputs are in
high impedance (HI-Z). When logic LOW, the outputs are enabled.
LVCMOS/LVTTL interface levels.
14
nOE_A
Input
Pulldown
Active LOW output enable for Bank A outputs. LVCMOS/LVTTL interface levels.
15,
16
SPI_SEL1,
SPI_SEL0
Input
Pulldown
Selects the SPI PLL clock reference frequency. See Table 3D.
17,
18
PCI_SEL1,
PCI_SEL0
Input
Pulldown
Selects the PCI, PCI-X reference clock output frequency. See Table 3C.
LVCMOS/LVTTL interface levels.
19,
20
DDR_SEL1,
DDR_SEL0
Input
Pulldown
Selects the DDR reference clock output frequency. See Table 3B.
LVCMOS/LVTTL interface levels.
21, 22
nQA, QA
Output
Differential output pair. Selectable between LVPECL and LVDS interface levels.
24
VDDA
Power
Analog supply pin.
25, 28
VDDO_B
Power
Bank B output supply pins. 3.3 V or 2.5V supply.
26, 27
QB1, QB0
Output
Single-ended Bank B outputs. LVCMOS/LVTTL interface levels.
29
nOE_REF
Input
Pulldown
Active LOW output enable. When logic HIGH, the QREF[2:0] outputs are in high
impedance (HI-Z). When logic LOW, the QREF[2:0] outputs are enabled.
LVCMOS/ LVTTL interface levels.
32
CORE_SEL
Input
Pulldown
Selects the processor core clock output frequency. The output frequency is 50MHz
when LOW, and 33.333MHz when HIGH. See Table 3A. LVCMOS/LVTTL
interface levels.
33, 34
QD1, QD0
Output
Single-end Bank D outputs. LVCMOS/LVTTL interface levels.
35
QC
Output
Single-end Bank C output. LVCMOS/LVTTL interface levels.
36
VDDO_CD
Power
Bank C and Bank D output supply pin. 3.3 V or 2.5V supply.
Pin descriptions continue on the next page.
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