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參數(shù)資料
| 型號： | PI6C20400LE |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 1:4 Clock Driver for Intel PCI Express Chipsets |
| 中文描述： | 1:4時鐘驅(qū)動器，英特爾的PCI Express芯片組 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 302K |
| 代理商： | PI6C20400LE |
2
PS8744A 06/23/05
PI6C20400
1:4 Clock Driver for Intel
PCI Express Chipsets
Pin Descriptions
Pin Name
SRC & SRC#
Type
Input
Pin No
Description
2, 3
0.7V Differential SRC input from PI6C410 clock synthesizer
3.3V LVTTL input for enabling outputs, active high.
OE_0 for OUT0 / OUT0#
OE_3 for OUT3 / OUT3#
3.3V LVTTL input for inverting the OE, SRC_STOP# and
PWRDWN# pins.
When 0 = same stage
When 1 = OE_0, OE_3, SRC_STOP#, PWRDWN# inverted.
OE_0 & OE_3
Input
8, 21
OE_INV
Input
25
OUT[0:3] & OUT[0:3]#
Output
6, 7, 9, 10, 19, 20,
22, 23
12
13
14
26
16
17
15
1, 5, 11, 18, 24
4
27
28
0.7V Differential outputs
PLL/BYPASS#
SCLK
SDA
IREF
SRC_STOP#
PLL_BW#
PWRDWN#
V
DD
VSS
VSS_A
VDD_A
Input
Input
I/O
Input
Input
Input
Input
Power
Ground
Ground
Power
3.3V LVTTL input for selecting fan-out of PLL operation.
SMBus compatible SCLOCK input
SMBus compatible SDATA
External resistor connection to set the differential output current
3.3V LVTTL input for SRC stop, active low
3.3V LVTTL input for selecting the PLL bandwidth
3.3V LVTTL input for Power Down operation, active low
3.3V Power Supply for Outputs
Ground for Outputs
Ground for PLL
3.3V Power Supply for PLL
Serial Data Interface (SMBus)
PI6C20400 is a slave only SMBus device that supports indexed block read and indexed block write protocol using a single 7-bit
address and read/write bit as shown below.
Address assignment
A6
1
A5
1
A4
0
A3
1
A2
1
A1
1
A0
0
R/W
0/1
Data Protocol
1 bit
7 bits
1
1
8 bits
1
8 bits
1
8 bits
1
8 bits
1
1 bit
Start
bit
Slave
Addr
R/W
Ack
Register
offset
Ack
Byte
Count
= N
Ack
Data
Byte 0
Ack
…
Data
Byte N
- 1
Ack
Stop
bit
Notes:
1.
Register offset for indicating the starting register for indexed block write and indexed block read. Byte Count in write mode cannot be 0.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI6C20400LEX | 功能描述:時鐘緩沖器 1:4PCI Express Clock Driver 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 |
| PI6C20400SHE | 功能描述:時鐘緩沖器 1:4 100MHz PCI Express Clock 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 |
| PI6C20400SHEX | 功能描述:時鐘緩沖器 1:4 100 MHZ PCI Express Clock 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 |
| PI6C20400SLE | 功能描述:時鐘緩沖器 1:4 PCI Express Clock Driver 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 |
| PI6C20400SLEX | 功能描述:時鐘緩沖器 1:4 PCI Express Clock Driver 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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