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参数资料
| 型号： | PI6C20400L |
| 厂商： | Pericom Semiconductor Corp. |
| 英文描述： | 1:4 Clock Driver for Intel PCI Express Chipsets |
| 中文描述： | 1:4时钟驱动器，英特尔的PCI Express芯片组 |
| 文件页数： | 2/10页 |
| 文件大小： | 302K |
| 代理商： | PI6C20400L |
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.
相关PDF资料 |
PDF描述 |
|---|---|
| PI6C20400LE | 1:4 Clock Driver for Intel PCI Express Chipsets |
| PI6C20800 | 1:8 Clock Driver for Intel PCI Express Chipsets |
| PI6C20800AE | 1:8 Clock Driver for Intel PCI Express Chipsets |
| PI6C20800VE | 1:8 Clock Driver for Intel PCI Express Chipsets |
| PI6C210A | CPU SYSTEM CLOCK GENERATOR|CMOS|TSSOP|48PIN|PLASTIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PI6C20400LE | 功能描述:时钟缓冲器 1:4PCI Express Clock Driver RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| PI6C20400LEX | 功能描述:时钟缓冲器 1:4PCI Express Clock Driver RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| PI6C20400SHE | 功能描述:时钟缓冲器 1:4 100MHz PCI Express Clock RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| PI6C20400SHEX | 功能描述:时钟缓冲器 1:4 100 MHZ PCI Express Clock RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| PI6C20400SLE | 功能描述:时钟缓冲器 1:4 PCI Express Clock Driver RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
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