pca9546abs NXP Semiconductors, pca9546abs Datasheet
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PCA9546A 4-channel I Rev. 04 — 29 August 2006 1. General description The PCA9546A is a quad bidirectional translating switch controlled via the I SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCx/SDx channel or ...
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... Philips Semiconductors 3. Ordering information Table 1. Type number PCA9546ABS PCA9546AD PCA9546APW 3.1 Ordering options Table 2. Type number PCA9546ABS PCA9546AD PCA9546APW PCA9546A_4 Product data sheet Ordering information Package Name Description HVQFN16 plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 4 SO16 plastic small outline package; 16 leads; ...
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Philips Semiconductors 4. Block diagram SC0 SC1 SC2 SC3 SD0 SD1 SD2 SD3 RESET SCL SDA Fig 1. Block diagram of PCA9546A PCA9546A_4 Product data sheet PCA9546A SWITCH CONTROL LOGIC POWER-ON RESET INPUT FILTER Rev. 04 ...
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... SC0 SC3 SD1 6 11 SD3 SC1 7 10 SC2 SD2 SS 002aab185 terminal 1 index area RESET 1 SD0 2 PCA9546ABS SC0 3 4 SD1 Transparent top view Rev. 04 — 29 August 2006 PCA9546A 2 4-channel I C-bus switch with reset RESET 4 SD0 PCA9546APW SC0 5 SD1 6 ...
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Philips Semiconductors 5.2 Pin description Table 3. Symbol A0 A1 RESET SD0 SC0 SD1 SC1 V SS SD2 SC2 SD3 SC3 A2 SCL SDA V DD [1] HVQFN package die supply ground is connected to both the V pin must ...
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Philips Semiconductors 6.2 Control register Following the successful acknowledgement of the slave address, the bus master will send a byte to the PCA9546A, which will be stored in the control register. If multiple bytes are received by the PCA9546A, it ...
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Philips Semiconductors 6.3 RESET input The RESET input is an active LOW signal which may be used to recover from a bus fault condition. By asserting this signal LOW for a minimum of t its registers and I must be ...
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Philips Semiconductors More Information can be found in Application Note AN262: PCA954X family of I multiplexers and switches . 7. Characteristics of the I 2 The I C-bus is for 2-way, 2-line communication between different ICs or modules. The two ...
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Philips Semiconductors SDA SCL MASTER TRANSMITTER/ RECEIVER Fig 10. System configuration 7.4 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 ...
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Philips Semiconductors 7.5 Bus transactions Data is transmitted to the PCA9546A control register using the Write mode as shown in Figure 12. SDA START condition Fig 12. Write control register Data is read from PCA9546A using the Read mode as ...
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Philips Semiconductors 8. Application design-in information Fig 14. Typical application PCA9546A_4 Product data sheet SDA SDA SCL SCL RESET 2 I C/SMBus master Rev. 04 — 29 August ...
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Philips Semiconductors 9. Limiting values Table 5. In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to V Symbol tot T stg T ...
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Philips Semiconductors 10. Static characteristics Table 6. Static characteristics See Table 7 on page 14 for Symbol Parameter ...
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Philips Semiconductors Table 7. Static characteristics See Table 6 on page 13 for Symbol Parameter Supply V supply ...
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Philips Semiconductors 11. Dynamic characteristics Table 8. Dynamic characteristics Symbol Parameter t propagation delay PD f SCL clock frequency SCL t bus free time between a STOP and BUF START condition t hold time (repeated) START condition HD;STA t LOW ...
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Philips Semiconductors SDA t BUF t LOW SCL t HD;STA P S Fig 15. Definition of timing on the I SCL SDA RESET 50 % Fig 16. Definition of RESET timing START protocol condition (S) t SU;STA SCL t BUF ...
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Philips Semiconductors 12. Package outline SO16: plastic small outline package; 16 leads; body width 3 pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT ...
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Philips Semiconductors TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4 pin 1 index 1 DIMENSIONS (mm are the original dimensions) A UNIT max. 0.15 0.95 mm ...
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Philips Semiconductors HVQFN16: plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 0.85 mm terminal 1 index area terminal 1 index area DIMENSIONS (mm are the ...
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Philips Semiconductors 13. Soldering 13.1 Introduction to soldering surface mount packages There is no soldering method that is ideal for all surface mount IC packages. Wave soldering can still be used for certain surface mount ICs, but it is not ...
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Philips Semiconductors – larger than or equal to 1.27 mm, the footprint longitudinal axis is preferred to be parallel to the transport direction of the printed-circuit board; – smaller than 1.27 mm, the footprint longitudinal axis must be parallel to ...
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Philips Semiconductors [3] These transparent plastic packages are extremely sensitive to reflow soldering conditions and must on no account be processed through more than one soldering cycle or subjected to infrared reflow soldering with peak temperature exceeding 217 C body ...
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Philips Semiconductors 15. Revision history Table 13. Revision history Document ID Release date PCA9546A_4 20060829 • Modifications: Section 4 “Marking” changed to • Section 6.3 “RESET • Table 5 “Limiting “... should not exceed 125 C.” • Table 6 “Static ...
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Philips Semiconductors 16. Legal information 16.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...
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Philips Semiconductors 18. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...