Electronic Components Datasheet Search |
|
PCF8574RGTR Datasheet(PDF) 4 Page - Texas Instruments |
|
|
PCF8574RGTR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com A A S 0 1 0 0 A1 A2 A0 0 Start Condition ACK From Slave ACK From Slave Data Data Slave Address (PCF8575C) R/W P7 P6 1 P0 P7 P0 A Integral Multiples of Two Bytes P5 tpv IOHT tir SCL SDA Write to Port Data Output Voltage P5 Output Voltage P5 Pullup Output Current INT ACK From Slave Data A0 and B0 Valid 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 IOH A A S 0 1 0 0 A1 A2 A0 1 ACK From Slave ACK From Master R/W P7 P6 P0 P7 ACK From Master tsu tir SCL SDA Read From Port Data Into Port INT P5 P4 P3 P2 P1 A P0 tir tiv P7 to P0 A low-to-high transition of SDA while SCL is high is defined as the stop condition (P). The transfer of data can be stopped at any moment by a stop condition. When this occurs, data present at the latest ACK phase is valid (output mode). Input data is lost. P6 P5 P4 P3 P2 P1 th P7 P6 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 P7 to P0 PCF8574 REMOTE 8-BIT I/O EXPANDER FOR I2C BUS SCPS068F – JULY 2001 – REVISED OCTOBER 2006 Figure 1 and Figure 2 show the address and timing diagrams for the write and read modes, respectively. Figure 1. Write Mode (Output) Figure 2. Read Mode (Input) 4 Submit Documentation Feedback |
Similar Part No. - PCF8574RGTR |
|
Similar Description - PCF8574RGTR |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |