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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Overview
- The PCA9510A is a hot swappable I²C-bus and SMBus buffer that allows I/O card insertion into a live backplane without corrupting the data and clock buses. Control circuitry prevents the backplane from being connected to the card until a stop command or bus idle occurs on the backplane without bus contention on the card. When the connection is made, the PCA9510A provides bidirectional buffering, keeping the backplane and card capacitances isolated.
- The PCA9510A has no rise time accelerator circuitry to prevent interference when there are multiple devices in the same system. The PCA9510A incorporates a digital ENABLE input pin, which enables the device when asserted HIGH and forces the device into a Low current mode when asserted LOW, and an open-drain READY output pin, which indicates that the backplane and card sides are connected together (HIGH) or not (LOW).
- During insertion, the PCA9510A SDAIN and SCLIN pins (inputs only) are precharged to 1 V to minimize the current required to charge the parasitic capacitance of the chip.
- **Remark**: The dynamic offset design of the PCA9510A/11A/12A/13A/14A I/O drivers allow them to be connected to another PCA9510A/11A/12A/13A/14A device in series or in parallel and to the A side of the PCA9517. The PCA9510A/11A/12A/13A/14A **cannot**connect to the static offset I/Os used on the PCA9515/15A/16/16A/18 or PCA9517 B side or P82B96 Sx/y side.
- MoreLess
- ## Features
- * Bidirectional buffer for SDA and SCL lines increases fan-out and prevents SDA and SCL corruption during live board insertion and removal from multipoint backplane systems
- * Compatible with Standard-mode I²C-bus, Fast-mode I²C-bus, and SMBus standards
- * Active HIGH ENABLE input
- * Active HIGH READY open-drain output
- * High-impedance SDAn and SCLn pins for VCC = 0 V
- * 1 V precharge on SDAIN and SCLIN inputs
- * Supports clock stretching and multiple master arbitration and synchronization
- * Operating power supply voltage range: 2.7 V to 5.5 V
- * 5 V tolerant I/Os
- * 0 Hz to 400 kHz clock frequency
- * ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
- * Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
- * Packages offered: SO8, TSSOP8 (MSOP8)
- ## Target Applications
- * cPCI, VME, AdvancedTCA cards and other multipoint backplane cards that are required to be inserted or removed from an operating system
- ## Features
PCA9510ADP Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Case/Package | TSSOP-8 |
| Show | |
| Product Lifecycle Status | Unknown |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
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