PCA9646D NXP [NXP Semiconductors], PCA9646D Datasheet
PCA9646D
Related parts for PCA9646D
PCA9646D Summary of contents
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PCA9646 Buffered 4-channel 2-wire bus switch Rev. 1 — 1 March 2011 1. General description The PCA9646 is a monolithic CMOS integrated circuit for 2-wire bus buffering and switching in applications including I similar principles. Each of the four outputs ...
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... NXP Semiconductors 4. Ordering information Table 1. Ordering information Type number Topside Package mark Name PCA9646D PCA9646 SO16 PCA9646PW PCA9646 TSSOP16 5. Block diagram R1 R2 PCA9646 SCL 14 SDA 15 RESET 3 Fig 1. Simplified block diagram of PCA9646 PCA9646 Product data sheet Description plastic small outline package; 16 leads; body width 3.9 mm plastic thin shrink small outline package ...
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... SC3 A2 SCL SDA V DD PCA9646 Product data sheet SDA RESET 3 14 SCL 4 13 SD0 A2 PCA9646D SC0 5 12 SC3 6 11 SD1 SD3 SC1 7 10 SC2 SD2 SS 002aaf364 Pin configuration for SO16 Pin description Pin Description 1 address input 0 ...
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NXP Semiconductors 7. Functional description Refer to 7 The power supply voltage for the PCA9646 may be any voltage in the range 2 5.5 V. The IC supply must be common with the supply ...
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NXP Semiconductors 7.5 RESET — reset IC to default state The active LOW RESET input is used to disable the buffer, and reset it to its default state. The IC should only be disabled when the bus is idle to ...
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NXP Semiconductors A LOW or ‘zero’ bit (B[3:0]) indicates that the respective channel (SC[3:0], SD[3:0]) is disabled. The default reset condition of the register is all zeros, all channels disabled, forward direction. A HIGH or ‘one’ bit indicates the respective ...
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NXP Semiconductors 9. Limiting values Table 3. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter V supply voltage DD V voltage on an input/output pin I/O V input voltage I I input current I ...
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NXP Semiconductors Table 4. Characteristics …continued +85 C; voltages are specified with respect to ground (V amb Symbol Parameter RESET V HIGH-level input voltage IH V LOW-level input voltage IL V hysteresis ...
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NXP Semiconductors ( lock C T amb Fig 9. Typical input levels versus supply voltage 250 V OL (mV) 200 150 100 ...
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NXP Semiconductors 11. Application information Figure 13 excellent application to extending loads and expanding the address space of slave devices. Rise times are determined simply by the side of the buffer with the slowest RC time constant. SCL (clock) SDA ...
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NXP Semiconductors 3 SCL SDA BUS MASTER U3 MASTER/ 400 pF load at 1 MHz SLAVE load at 100 kHz U4 SC2 SD2 400 pF load at 1 MHz load at ...
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NXP Semiconductors Figure 16 systems using P82B715 I capacitance limit. P82B715 alone provides a ‘10 impedance transformation’ no isolation of the loadings on either side. P82B715 systems have a finite capacitance limit and its system calculations can be relatively complex. ...
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NXP Semiconductors The PCA9646 may also be driven in series. scenario, each of the four outputs of the first device (U2) has six more PCA9646’s connected to it. Each of those six devices has four outputs, thus giving 4 ...
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NXP 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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NXP 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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NXP Semiconductors 13. Handling information CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling electrostatic sensitive devices. Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A or equivalent standards. 14. Soldering of SMD packages ...
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NXP Semiconductors 14.3 Wave soldering Key characteristics in wave soldering are: • Process issues, such as application of adhesive and flux, clinching of leads, board transport, the solder wave parameters, and the time during which components are exposed to the ...
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NXP Semiconductors Fig 20. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description”. 15. Abbreviations Table 7. Acronym CMOS 2 I C-bus I/O IC LED MSB ...
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NXP Semiconductors 17. Revision history Table 8. Revision history Document ID Release date PCA9646 v.1 20110301 PCA9646 Product data sheet Data sheet status Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — ...
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NXP Semiconductors 18. Legal information 18.1 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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NXP Semiconductors Non-automotive qualified products — Unless this data sheet expressly states that this specific NXP Semiconductors product is automotive qualified, the product is not suitable for automotive use neither qualified nor tested in accordance with automotive testing ...
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NXP Semiconductors 20. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . ...