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參數(shù)資料
| 型號： | 933851660112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDSO16 |
| 封裝： | 7.50 MM, LEAD FREE, PLASTIC, MS-013, SOT-162-1, SO-16 |
| 文件頁數(shù)： | 18/33頁 |
| 文件大?。?/td> | 316K |
| 代理商： | 933851660112 |
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Philips Semiconductors - PIP - PCF8574; Remote 8-bit I/O expander for I2C-bus
PCF8574; Remote 8-bit I/O
expander for IC-bus
Information as of 2004-09-01
Stay
informed
Download
datasheet
Lead-
free
General description
The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most microcontroller families via the two-line
bidirectional bus (IC-bus).
The device consists of an 8-bit quasi-bidirectional port and an IC-bus interface. The PCF8574 has a low current consumption and includes latched
outputs with high current drive capability for directly driving LEDs. It also possesses an interrupt line (INT) which can be connected to the interrupt
logic of the microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on
its ports without having to communicate via the IC-bus. This means that the PCF8574 can remain a simple slave device.
The PCF8574 and PCF8574A versions differ only in their slave address as shown in Fig.10.
Features
q
Operating supply voltage 2.5 to 6 V
q
Low standby current consumption of 10 uA maximum
q
IC-bus to parallel port expander
q
Open-drain interrupt output
q
8-bit remote I/O port for the IC-bus
q
Compatible with most microcontrollers
q
Latched outputs with high current drive capability for directly driving LEDs
q
Address by 3 hardware address pins for use of up to 8 devices (up to 16 with PCF8574A)
q
DIP16, or space-saving SO16 or SSOP20 packages.
http://www.semiconductors.philips.com/pip/PCF8574P.html (1 of 7) [9/3/2004 4:31:22 PM]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 935275581518 | 8 I/O, PIA-GENERAL PURPOSE, PDSO16 |
| 935271753118 | 8 I/O, PIA-GENERAL PURPOSE, PDSO20 |
| 935275581112 | 8 I/O, PIA-GENERAL PURPOSE, PDSO16 |
| 0672.300 | Circular Connector; Body Material:Aluminum; Series:PT06; No. of Contacts:55; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:22-55 |
| 935084920112 | TELEPHONE SPEECH CKT, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| 9338-5M | 制造商:PRO ELEC 功能描述:EXTENSION LEAD 3WAY 5M 制造商:PRO ELEC 功能描述:EXTENSION LEAD, 3WAY, 5M |
| 933861-000 | 功能描述:焊料和屏蔽管 SO63-3-9030 RoHS:否 制造商:TE Connectivity / Raychem 類型:Shield Terminators 材料:Polyvinylidene Fluoride 內(nèi)徑:5.08 mm 長度:16.5 mm 最低收縮溫度: 系列:S03 |
| 933871-1 | 制造商:TE Connectivity 功能描述:GUIDE, MODIFIED - Bulk |
| 9-338728-0 | 功能描述:集管和線殼 MICROM. MOB SMD CON RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector |
| 933873-1 | 制造商:TE Connectivity 功能描述:PLATE, CYL MTG. - Bulk |
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