683Kb/21P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS NXP SemiconductorsPCF8575 105Kb/24PRemote 16-bit I/O expander for I2C-bus 1999 Apr 07 More results Texas Instruments(TI)是一家公开交易的公司,设计和制造半导体和计算机技术产品。
1Mb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS PCF8574 959Kb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS NXP SemiconductorsPCF8574 138Kb/24PRemote 8-bit I/O expander for I2C-bus 2002 Nov 22 ...
1Mb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS PCF8574 959Kb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS NXP SemiconductorsPCF8574 138Kb/24PRemote 8-bit I/O expander for I2C-bus 2002 Nov 22 ...
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1Mb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS PCF8574 959Kb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS NXP SemiconductorsPCF8574 138Kb/24PRemote 8-bit I/O expander for I2C-bus 2002 Nov 22 ...
959Kb/26P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS PCF8574A 683Kb/21P[Old version datasheet]REMOTE 8-BIT I/O EXPANDER FOR I2C BUS NXP SemiconductorsPCF8575 105Kb/24PRemote 16-bit I/O expander for I2C-bus
View and download PCF8574 datasheet pdf (158 Pages), PCF8574 Interface IC, Interface Controller NXP PCF8574T/3,518 I/O Expander, 8Bit, 100kHz, I2C, 2.5V, 6V, SOIC PCF8574 datasheet pdf download.
DATA SHEET PCF8574 Remote 8-bit I/O expander for I2C-bus 1997 Apr 02 Product specification Supersedes data of September 1994 File under Integrated Circuits, IC12 Philips Semiconductors Product specification Remote 8-bit I/O expander for I2C-bus PCF8574 CONTENTS 1 2 3...
向前怀疑PCF8574的驱动能力不足。查看datasheet,果然是标准推挽输出的上管还有个限流源,只有100uA的能力。中上部的那个p-mos只是在切换逻辑的时候才开启,用来提速rising-edge的,并不是continuous输出(怎么就有一种追求指标但对实际性能没帮助的感觉,这款片子最早是philips在97年推出的,难道有什么特别的考虑)。
產品規格表 document-pdfAcrobat PCF8574 Remote 8-Bit I/O Expander for I2 C Bus datasheet (Rev. K) (英文) PDF | HTML PCF8574 產品規格表 立即訂購 產品詳細資料 Number of I/Os 8 Features Interrupt pin Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 6 Addresses 8 Rating ...