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參數(shù)資料
| 型號(hào)： | PI6C484321FBE |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 260MHz Crystal-to-3.3V Differential LVPECL Frequency Synthesizer |
| 中文描述： | 260MHz水晶至3.3V的差分LVPECL頻率合成器 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 273K |
| 代理商： | PI6C484321FBE |
4
PS8765A 08/01/05
PI6C484321
260MHz Crystal-to-3.3V Differential
LVPECL Frequency Synthesizer
Pin Characteristics
Symbol
Parameter
Min.
Typ.
4
51
51
Max.
Units
pF
C
IN
R
PULLUP
R
PULLDOWN
Input capacitance
Input Pullup resistor
Input Pulldown resistor
k
Parallel and Serial Modes Function Table
Inputs
N
X
Conditions
MR
H
nP_LOAD
X
M
X
S_LOAD
X
S_CLOCK
X
S_DATA
X
Reset mode, forces outputs LOW.
Data on M and N input passed directly to the M
divider. TEST output forced LOW
Data is latched into input registers and remains
loaded until next LOW transition or until a serial
event occurs
Serial input mode. Shift register is loaded with data
on S-DATA on each rising edge of S_CLOCK
Contents of the shift register are passed to the M
divider
M divider and N output divider values are latched
Parallel or serial input do not affect shift registers
S_Data passed directly to M divider as it is clocked
L
L
Data
Data
X
X
X
L
↑
Data
Data
L
X
X
L
H
X
X
L
↑
Data
L
H
X
X
↑
L
Data
L
L
L
H
H
H
X
X
X
X
X
X
↓
L
H
L
X
↑
Data
X
Data
Notes:
L = Low, H = High, X = Don't care,
↑ = Rising Edge, and ↓ = Falling edge Transition
Programmable VCO Frequency Example Based On 25MHz input
VCO Freq.
M Divider
256
M8
0
0
0
0
128
M7
0
0
0
0
64
M6
0
0
0
0
32
M5
0
0
0
0
16
M4
1
1
1
1
8
4
2
1
M3
1
1
1
1
M2
0
0
0
1
M1
0
1
1
1
M0
1
0
1
1
625
650
675
775
25
26
27
31
Programmable Output Divider FunctionTable
Inputs
N Divider
Value
N1
N0
0
0
3
0
1
4
1
0
5
1
1
6
Output Frequency (MHz)
106.67
80
64
53.33
Max.
366.67
275
220
183.33
Notes:
Fout_min = Fvco_min / N = 320MHz / N
Fout_max = Fvco_max /N = 1100MHz / N
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PI6C4853111FAE | 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer with 2 to 1 Differential Clock Input Mux |
| PI6C4853111 | 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer with 2 to 1 Differential Clock Input Mux |
| PI6C48533-01 | 3.3V Low Skew 1-to-4 Differential/LVCMOS to LVPECL Fanout Buffer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI6C4853111 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer with 2 to 1 Differential Clock Input Mux |
| PI6C4853111FAE | 功能描述:時(shí)鐘緩沖器 0.25um1P4M 2.5/3.3V Salicid RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| PI6C4853111FAEX | 功能描述:時(shí)鐘緩沖器 0.25um1P4M 2.5/3.3V Salicid RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| PI6C485311WE | 功能描述:時(shí)鐘緩沖器 3.3V Low Skew 1:2 Diff RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| PI6C485311WEX | 功能描述:時(shí)鐘緩沖器 3.3V Low Skew 1:2 Diff RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
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