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| 型号： | PI6C185-01QI |
| 厂商： | Pericom Semiconductor Corp. |
| 英文描述： | Precision 1-5 Clock Buffer |
| 中文描述： | 精密1-5时钟缓冲器 |
| 文件页数： | 5/7页 |
| 文件大小： | 398K |
| 代理商： | PI6C185-01QI |
PI6C185-00
5
PS8317A 03/22/01
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1.5V
1.5V
t
phl
t
plh
1.5V
1.5V
Input
Waveform
Output
Waveform
Output
Buffer
Test
Point
2.4
1.5
0.4
tSDKH
tSDKP
3.3V
Clocking
Interface
(TTL)
tSDKL
t
SDFALL
t
SDRISE
Test Load
Figure 1. Clock Waveforms
Notes:
1. Maximum rise/fall times are guaranteed at maximum specified load.
2. Minimum rise/fall times are guaranteed at minimum specified load.
3. Rise/fall times are specified with pure capacitive load as shown.
Testing is done with an additional 500
resistor in parallel.
Minimum and Maximum Expected Capacitive Loads
Design Guidelines to Reduce EMI
1. Place series R
S
resistors and CI capacitors as close as possible to the respective clock pins. Typical value
for CI is 10pF. R
S
Series resistor value can be increased to reduce EMI provided that the rise and fall time
are still within the specified values.
2. Minimize the number of vias of the clock traces.
3. Route clock traces over a continuous ground plane or over a continuous power plane. Avoid routing clock
traces from plane to plane (refer to rule #2).
4. Position clock signals away from signals that go to any cables or any external connectors.
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c
o
C
d
a
o
L
.
M
d
a
o
L
.
a
M
s
U
s
N
M
A
R
D
S
0
2
0
3
F
p
M
n
M
I
D
M
A
o
p
R
D
S
S
相关PDF资料 |
PDF描述 |
|---|---|
| PI6C185-00AL | Precision 1-7 Clock Buffer |
| PI6C185-00AQ | Precision 1-7 Clock Buffer |
| PI6C185-00L | Precision 1-7 Clock Buffer |
| PI6C185-00Q | Precision 1-7 Clock Buffer |
| PI6C185-01QIE | Precision 1-5 Clock Buffer |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PI6C185-01QIE | 功能描述:时钟缓冲器 Precision 1:5 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 |
| PI6C185-01QIEX | 功能描述:时钟缓冲器 Precision 1:5 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 |
| PI6C185-02 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Clock IC | Mobile PC. 7 Output Clock Driver |
| PI6C185-02B | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:Precision 1-7 Clock Buffer |
| PI6C185-02BL | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:Precision 1-7 Clock Buffer |
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