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| 型号： | IP4253CZ8-4-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： | 2/18页 |
| 文件大小： | 319K |
| 代理商： | IP4253CZ8-4-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
10 of 18
NXP Semiconductors
IP4251/52/53/54-TTL
Integrated 4-, 6- and 8-channel passive filter network
The capacitance values specified for the signal channels of the MMC interface differ from
the SDHC specification. The MMC card-side interface is specified to have an intrinsic
capacitance of 12 pF to 18 pF and the total channel is limited according to the
specification to 30 pF only. Therefore, any filter device capacitance is limited to a
maximum of up to 18 pF, including the card holder and PCB traces.
Please refer to Figure 8 for a general example of the implementation of the IP4252 in an
MMC interface application.
Fig 7.
Example of IP4252 in an SDHC card interface
018aaa075
IP4252CZ12-6-TTL
(IP4252CZ16-8-TTL)
DAT1
pull-up resistors
10 k
Ω 100 kΩ
10 k
Ω 90 kΩ
DAT3/CD pull-up
10 k
Ω 100 kΩ
DAT3/CD pull-up
>270 kΩ
exact value
depends on
required
logic levels
DAT1
SD MEMORY
CARD
SET_CLR_
CARD_DETECT
(ACMD42)
to HOST
INTERFACE
DAT0
GND
CLK
VCC(VSD)
DAT3/CD
CMD
DAT2
optional:
2-additional channels
of IP4252CZ16-8-TTL
optional:
write protect switch
optional:
electrical card detect
WP
DAT0
CLK
CMD
DAT3/CD
DAT2
CD
WP
optional:
card detect switch
CD
相关PDF资料 |
PDF描述 |
|---|---|
| IP4254CZ12-6-TTL | Integrated 4-, 6- and 8-channel passive filter network with ESD protection |
| IP4254CZ16-8-TTL | Integrated 4-, 6- and 8-channel passive filter network with ESD protection |
| IP4254CZ8-4-TTL | Integrated 4-, 6- and 8-channel passive filter network with ESD protection |
| IP4337CX18 | 7-channel integrated filter network with ESD input protection to IEC 61000-4-2 level 4 |
| IP4338CX24 | 10-channel integrated filter network with ESD input protection to IEC 61000-4-2 level 4 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IP4253CZ8-4-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 |
| IP4253CZ8-4-TTL,132 | 制造商:NXP Semiconductors 功能描述:- Tape and Reel |
| IP4254 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated 4-, 6- and 8-channel passive filter network with ESD protection to IEC 61000-4-2, level 4 |
| IP4254CZ12 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated 4-, 6- and 8-channel passive filter network with ESD protection to IEC 61000-4-2, level 4 |
| IP4254CZ12-6 | 制造商:NXP Semiconductors 功能描述:DIODE ESD 6 CH PAS FIL SOT984-1 |
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