PCA9540BD Philips Semiconductors, PCA9540BD Datasheet
PCA9540BD
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PCA9540BD Summary of contents
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PCA9540B 2 2-channel I C multiplexer Product data sheet Supersedes data of 2004 Apr 13 Philips Semiconductors INTEGRATED CIRCUITS 2004 Sep 29 ...
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... SD0 Serial data 0 5 SC0 Serial clock Supply ground SS 7 SD1 Serial data 1 8 SC1 Serial clock 1 ORDER CODE TOPSIDE MARK PCA9540BD PA9540B PCA9540BDP 9540B 2 Product data sheet PCA9540B 8 SC1 7 SD1 SC0 5 SW00491 FUNCTION DRAWING NUMBER SOT96-1 SOT505-1 ...
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... Philips Semiconductors 2 2-channel I C multiplexer BLOCK DIAGRAM PCA9540B SD0 SD1 SC0 SC1 V SS Power- Reset SCL Input Filter SDA 2004 Sep 29 SWITCH CONTROL LOGIC 2 I C-Bus Control Figure 2. Block diagram 3 Product data sheet PCA9540B SW02211 ...
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... Philips Semiconductors 2 2-channel I C multiplexer DEVICE ADDRESSING Following a START condition the bus master must output the address of the slave it is accessing. The address of the PCA9540B is shown in Figure R/W FIXED Figure 3. Slave address The last bit of the slave address defines the operation to be performed ...
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... Philips Semiconductors 2 2-channel I C multiplexer 2 CHARACTERISTICS OF THE I C-BUS 2 The I C-bus is for 2-way, 2-line communication between different ICs or modules. The two lines are a serial data line (SDA) and a serial clock line (SCL). Both lines must be connected to a positive supply via a pull-up resistor when connected to the output stages of a device. ...
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... Philips Semiconductors 2 2-channel I C multiplexer Acknowledge The number of data bytes transferred between the start and the stop conditions from transmitter to receiver is not limited. Each byte of eight bits is followed by one acknowledge bit. The acknowledge bit is a HIGH level put on the bus by the transmitter whereas the master generates an extra acknowledge related clock pulse ...
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... Philips Semiconductors 2 2-channel I C multiplexer TYPICAL APPLICATION V = 2.7 – 5 SDA SCL 2 I C/SMBus MASTER 2004 Sep 3 SDA SD0 SCL SC0 SD1 SC1 V SS PCA9540B Figure 12. Typical application 7 Product data sheet PCA9540B V = 2.7 – 5.5 V CHANNEL 2.7 – 5.5 V CHANNEL 1 SW02212 ...
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... Philips Semiconductors 2 2-channel I C multiplexer 1, 2 ABSOLUTE MAXIMUM RATINGS In accordance with the Absolute Maximum Rating System (IEC 134).Voltages are referenced to GND (ground = 0 V). SYMBOL PARAMETER V DC supply voltage input voltage input current output current O I Supply current ...
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... Philips Semiconductors 2 2-channel I C multiplexer DC CHARACTERISTICS V = 3 –40 to +85 C; unless otherwise specified. (See page 8 for amb SYMBOL SYMBOL PARAMETER PARAMETER Supply V Supply voltage DD I Supply current DD I Standby current stb 1 V Power-on reset voltage POR Input SCL; input/output SDA ...
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... Philips Semiconductors 2 2-channel I C multiplexer AC CHARACTERISTICS SYMBOL PARAMETER t Propagation delay from SDA SCL clock frequency SCL t Bus free time between a STOP and START condition BUF Hold time (repeated) START condition t HD;STA After this period, the first clock pulse is generated ...
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... Philips Semiconductors 2 2-channel I C multiplexer SO8: plastic small outline package; 8 leads; body width 3.9 mm 2004 Sep 29 11 Product data sheet PCA9540B SOT96-1 ...
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... Philips Semiconductors 2 2-channel I C multiplexer TSSOP8: plastic thin shrink small outline package; 8 leads; body width 3 mm 2004 Sep 29 12 Product data sheet PCA9540B SOT505-1 ...
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... Philips Semiconductors 2 2-channel I C multiplexer REVISION HISTORY Rev Date Description _2 20040929 Product data sheet (9397 750 13731). Supersedes data of 2004 Apr 13 (9397 750 12918). Modifications: Section “Control Register Definition” on page 4: add “No channel selected; power-up default state” row to bottom of Table 1. ...
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... Life support — These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes — ...