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| 型号： | IP4254CZ8-4-TTL |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 电路保护 |
| 英文描述： | Integrated 4-, 6- and 8-channel passive filter network with ESD protection |
| 封装： | IP4251CZ12-6-TTL<SOT1167-1 (HUSON12)|<<http://www.nxp.com/packages/SOT1167-1.html<1<Always Pb-free,;IP4251CZ16-8-TTL<SOT974-2 (HXSON16)|<<http://www.nxp.com/packages/SOT9 |
| 文件页数： | 3/18页 |
| 文件大小： | 319K |
| 代理商： | IP4254CZ8-4-TTL |
IP4251_52_53_54-TTL
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 5 May 2011
11 of 18
NXP Semiconductors
IP4251/52/53/54-TTL
Integrated 4-, 6- and 8-channel passive filter network
To generate SDHC and MMC-compliant digital signals, the driver strength should not
significantly undercut 8 mA.
6.2.2 LCD interfaces, medium-speed interfaces
For digital interfaces such as LCD interfaces running at clock speeds between 10 MHz
and 25 MHz or more, IP4251, IP4252 or IP4254 can be used depending on the sink load,
clock speed, driver strength and rise and fall time requirements. Also the minimum
EMI filter requirements may be a decision-making factor.
6.2.3 Keypad, low-speed interfaces
Especially for lower-speed interfaces such as keypads, low-speed serial interfaces
(e.g. Recommended Standard (RS) 232) and low-speed control signals,
IP4253 (Rs(ch) =200 Ω, Cch =30 pF at Vbias(DC) = 2.5 V) offers a very robust
ESD protection and strong suppression of unwanted frequencies (EMI filtering).
Fig 8.
Example of IP4252 in an MMC interface
018aaa076
IP4252CZ12-6-TTL
IP4252CZ8-4-TTL
DAT1
pull-up resistors
50 k
Ω - 100 kΩ
CMD pull-up
4.7 k
Ω - 100 kΩ
DAT1
C8
e.g.
RSMMC
HOST
INTERFACE
DAT0
C7
DAT7
C13
VSS2
C6
DAT6
C12
CLK
C5
VCC(VMMC)
C4
VSS1
C3
DAT5
C11
CMD
C2
DAT4
C10
DAT3
C1
DAT2
CMD
DAT4
DAT3
DAT2
C9
DAT0
DAT7
DAT6
CLK
DAT5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IP4254CZ8-4-TTL,13 | 功能描述:信号调节 INTEGRATED 4- 6- AND 8-CH PASS FLTR W/ESD RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| IP4254CZ8-4-TTL,132 | 制造商:NXP Semiconductors 功能描述:- Tape and Reel 制造商:NXP Semiconductors 功能描述:Bulk |
| IP4256CZ3-M | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Single and dual-channel passive filter network with ESD protection |
| IP4256CZ3-M,315 | 功能描述:ESD 抑制器 EMI filter ESD protection RoHS:否 制造商:STMicroelectronics 通道:8 Channels 击穿电压:8 V 电容:45 pF 端接类型:SMD/SMT 封装 / 箱体:uQFN-16 功率耗散 Pd: 工作温度范围:- 40 C to + 85 C |
| IP4256CZ3-M_13 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Single and dual-channel passive filter network with ESD protection |
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