參數(shù)資料
型號: ICS8432DY-101LFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/20頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER 700MHZ 32-LQFP
標準包裝: 1,000
系列: HiPerClockS™
類型: 頻率合成器
PLL: 帶旁路
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 700MHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應商設備封裝: 32-TQFP(7x7)
包裝: 帶卷 (TR)
其它名稱: 8432DY-101LFT
700MHZ, DIFFERENTIAL-TO-3.3V
LVPECL FREQUENCY SYNTHESIZER
ICS8432-101
IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY SYNTHESIZER
1
ICS8432DY-101 REV. C APRIL 10, 2007
GENERAL DESCRIPTION
The ICS8432-101 is a general purpose, dual out-
put Differential-to-3.3V LVPECL high frequency
synthesizer and a member of the HiPerClockS
family of High Performance Clock Solutions from
ICS. The ICS8432-101 has a selectable TEST_CLK
or CLK, nCLK inputs. The TEST_CLK input accepts LVCMOS
or LVTTL input levels and translates them to 3.3V LVPECL lev-
els. The CLK, nCLK pair can accept most standard differen-
tial input levels. The VCO operates at a frequency range of
250MHz to 700MHz. The VCO frequency is programmed in
steps equal to the value of the input differential or single ended
reference frequency. The VCO and output frequency can be
programmed using the serial or parallel interfaces to the con-
figuration logic. The low phase noise characteristics of the
ICS8432-101 makes it an ideal clock source for Gigabit Ethernet
and SONET applications.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
Dual differential 3.3V LVPECL outputs
Selectable CLK, nCLK or LVCMOS/LVTTL TEST_CLK
TEST_CLK can accept the following input levels:
LVCMOS or LVTTL
CLK, nCLK pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
CLK, nCLK or TEST_CLK maximum input frequency: 40MHz
Output frequency range: 25MHz to 700MHz
VCO range: 250MHz to 700MHz
Accepts any single-ended input signal on CLK input with
resistor bias on nCLK input
Parallel interface for programming counter and output
dividers
RMS period jitter: 5ps (maximum)
Cycle-to-cycle jitter: 25ps (maximum)
3.3V supply voltage
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
CLK
TEST_CLK
CLK_SEL
VCCA
S_LOAD
S_DATA
S_CLOCK
MR
M5
M6
M7
M8
N0
N1
nc
VEE
V
EE
nFOUT0
FOUT0
V
CCO
nFOUT1
FOUT1
V
CC
TEST
nCLK
nP_LO
A
D
VCO_SEL
M0
M1
M2
M3
M4
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
ICS8432-101
VCO_SEL
CLK_SEL
TEST_CLK
CLK
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
N0:N1
VCO
PLL
FOUT0
nFOUT0
FOUT1
nFOUT1
TEST
CONFIGURATION
INTERFACE
LOGIC
÷ M
0
1
0
1
PHASE DETECTOR
÷1
÷2
÷4
÷8
MR
nCLK
HiPerClockS
ICS
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