Prodotti > Circuiti integrati (CI) > PCA9617ADP
  • PCA9617ADP

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PCA9617ADP

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Level translating Fm I2C-bus repeater

Fabbricante : NXP Semiconductor
Pacchetto : TSSOP-8
Tipologia di produzione : Interfaces ; I2C, SPI, Serial Interface Devices ; I2C-bus Repeaters/Hubs/Extenders
Datasheet:
RoHs Status: Lead free / RoHS Compliant
Stock: 5000

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PCA9617ADP Dettagli del prodotto

The PCA9617ADP is a CMOS integrated circuit that provides level shifting between lowvoltage (0.8 V to 5.5 V) and higher voltage (2.2 V to 5.5 V) Fast-mode Plus (Fm+) I²C-busor SMBus applications. While retaining all the operating modes and features of theI²C-bus system during the level shifts, it also permits extension of the I²C-bus by providingbidirectional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling twobuses of 540 pF at 1 MHz or up to 4000 pF at lower speeds. Using the PCA9617Aenables the system designer to isolate two halves of a bus for both voltage andcapacitance. The SDA and SCL pins are overvoltage tolerant and are high-impedancewhen the PCA9617ADP is unpowered.

The 2.2 V to 5.5 V bus port B drivers have the static level offset, while the adjustablevoltage bus port A drivers eliminate the static offset voltage. This results in a LOW on theport B translating into a nearly 0 V LOW on the port A which accommodates the smallervoltage swings of lower voltage logic.

The static offset design of the port B PCA9617ADP I/O drivers prevents them from beingconnected to the static or incremented offset of other bus buffers. Port A of two or morePCA9617As can be connected together, however, to allow a star topography with port Aon the common bus, and port A can be connected directly to any other buffer with static orincremented offset outputs. Multiple PCA9617As can be connected in series, port A toport B, with no build-up in offset voltage with only time of flight delays to consider.

The PCA9617ADP drivers are not enabled unless VCC(A) is above 0.8 V and VCC(B) is above2.2 V. The EN pin is referenced to VCC(B) and can also be used to turn the drivers on andoff under system control. Caution should be observed to only change the state of theenable pin when the bus is idle.

The output pull-down on the port B internal buffer LOW is set for approximately 0.55 V,while the input threshold of the internal buffer is set about 90 mV lower (0.45 V). When theport B I/O is driven LOW internally, the LOW is not recognized as a LOW by the input.This prevents a latching condition from occurring. The output pull-down on port A drives ahard LOW and the input level is set at 0.35 VCC(A) to accommodate the need for a lowerLOW level in systems where the low voltage side supply voltage is as low as 0.8 V.

PCA9617ADP

Caratteristica

  • 2 channel, bidirectional buffer isolates capacitance and allows 540 pF on either side ofthe device at 1 MHz and up to 4000 pF at lower speeds
  • Voltage level translation from 0.8 V to 5.5 V and from 2.2 V to 5.5 V
  • Footprint and functional replacement for PCA9517A at Fast-mode speeds
  • Port A operating supply voltage range of 0.8 V to 5.5 V with normal levels
  • Port B operating supply voltage range of 2.2 V to 5.5 V with static offset level
  • 5 V tolerant I²C-bus and enable pins
  • 0 Hz to 1000 kHz clock frequency (the maximum system operating frequency may beless than 1000 kHz because of the delays added by the repeater)
  • Active HIGH repeater enable input referenced to VCC(B)
  • Open-drain input/outputs
  • Latching free operation
  • Supports arbitration and clock stretching across the repeater
  • Accommodates Standard-mode, Fast-mode and Fast-mode Plus I²C-bus devices,SMBus (standard and high power mode), PMBus and multiple masters
  • Powered-off high-impedance I²C-bus pins
  • ESD protection exceeds 5500 V HBM per JESD22-A114 and 1000 V CDM perJESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Packages offered: TSSOP8 and HWSON8

Parametri tecnici

  • Fabbricante
  • NXP
  • Imballaggio
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Pacchetto
  • TSSOP-8

PCA9617ADP Datasheet

PCA9617ADP Related speciale

Valutazioni e recensioni (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **onna***
    2019-08-18

    Alles wie beschrieben und schnelle Lieferung. Danke!

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Estimated Delivery Time: Jul 17 - Jul 22 days (choose Expedited at checkout).

Spedizione & Pagamento

Spedizione

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  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

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Garanzie

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that PCA9617ADP is the original manufacturer or agent of NXP?
We have a professional business development department to strictly test and verify the qualifications of NXP original manufacturers and agents. All NXP suppliers must pass the qualification review before they can publish their PCA9617ADP devices; we pay more attention to the channels and quality of PCA9617ADP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of PCA9617ADP chips? Including NXP original factory information, Interfaces ; I2C, SPI, Serial Interface Devices ; I2C-bus Repeaters/Hubs/Extenders application, PCA9617ADP pictures?
You can use Jotrin's intelligent search engine, or filter by Interfaces ; I2C, SPI, Serial Interface Devices ; I2C-bus Repeaters/Hubs/Extenders category, or find it through NXP Semiconductor Information page.
Q: Are the NXP's PCA9617ADP price and stock displayed on the platform accurate?
The NXP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for PCA9617ADP, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
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Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of PCA9617ADP?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9617ADP we delivered, we will accept the replacement or return of the PCA9617ADP only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of PCA9617ADP.
(3)The PCA9617ADP is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as PCA9617ADP datasheet pdf, PCA9617A pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

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