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P82B715D - 2-Bit 400kHz I2C Bus Extender | Texas Instruments
P82B715D

P82B715D - 2-Bit 400kHz I2C Bus Extender | Texas Instruments

The Texas Instruments P82B715D is a 2-bit bidirectional I2C/SMBus buffer and cable extender designed for 3 V to 12 V operation and 400 kHz bus communication. It increases practical wiring capacitance from 400 pF to 3 nF and is packaged in an 8-pin SOIC (D). The device uses unidirectional analog current amplification to improve the current sink capability of I2C devices while preserving bidirectional data transfer. What is an I2C bus extender? An I2C bus extender, also called an I2C buffer or bus repeater, is an interface IC placed between two bus segments to increase usable bus length and capacitance. It helps a controller and peripheral communicate across wiring where one physical I2C segment alone would be too heavily loaded. The P82B715 belongs to the interface IC hierarchy and separates a main I2C bus from an extended transmission-line segment. Key features include a 3 V to 12 V operating supply range, 400 kHz signal support, two bidirectional signal channels, and support for higher bus capacitance than the conventional 400 pF I2C limit. According to the Texas Instruments product page and datasheet, the device is intended for I2C and derivative SMBus systems. It is particularly useful when long cables, connectorized wiring, or multiple branches raise total bus capacitance. The P82B715 uses a split-side arrangement: each buffered path supports a main-bus side and an extended-cable side. This arrangement helps isolate the extended wiring from the main bus and allows the system to tolerate substantially more wiring capacitance. Engineers must still follow the datasheet limits for voltage, current, timing, and cable loading; the part is not a general-purpose differential-line driver. Typical applications include industrial control modules, sensor networks, test equipment, remote I2C targets, embedded systems, and SMBus-compatible equipment. Its 400 kHz class makes it appropriate for moderate-speed control buses rather than high-speed I2C designs beyond the stated operating range. Design attention should focus on bus capacitance, pull-up placement, ground continuity, and the separation between main and extended bus sections. Verify signal rise time and timing margin with the actual cable and peripheral loading rather than relying on nominal bus length alone. This page combines manufacturer specifications, distributor identification, and practical bus-integration guidance to help engineers evaluate the P82B715D for longer or more capacitive I2C wiring.

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P82B715DG4 - 2-Bit I2C Bus Extender | Texas Instruments
P82B715DG4

P82B715DG4 - 2-Bit I2C Bus Extender | Texas Instruments

The Texas Instruments P82B715DG4 is a 2-bit bidirectional I2C/SMBus buffer and cable extender operating from 3 V to 12 V at up to 400 kHz, packaged in an 8-pin SOIC. It strengthens and reshapes bus signals while supporting bidirectional data transfer between the main bus and a transmission bus. An I2C bus extender is an interface IC placed within an I2C system when cable length or bus capacitance prevents reliable communication. It belongs to the hierarchy of bus buffers and redrivers within interface ICs, allowing a controller and remote devices to communicate over a longer bus while preserving two-wire, open-drain signaling. The P82B715 uses analog current amplification to increase the current-sink capability of the I2C devices. Key features include a 250 ns delay time, 22 mA supply current, and an 8-SOIC package. The device supports a 12 V operating supply and is intended for 400-kHz I2C bus systems. Its bidirectional architecture allows the SDA and SCL paths to carry data in either direction without changing the logical behavior of the connected I2C system. Technically, the P82B715 is a bipolar device intended for I2C applications. Unidirectional analog current amplification on each internal path increases the current available to sink bus capacitance. This helps overcome the conventional 400-pF main-bus limitation while the extender supplies a larger allowable wiring capacitance on the transmission side. The result is improved signal rise time and more reliable communication across extended wiring. Typical applications include industrial control panels, building-automation equipment, sensor networks, programmable logic controller interfaces, and long cable runs between an I2C controller and remote peripherals. It is especially useful when the existing bus must be extended without redesigning the host controller or remote I2C devices. The primary design consideration is bus topology: connect the main bus, transmission bus, pull-up networks, and ground return exactly as shown in the manufacturer application guidance. Avoid introducing unnecessary stubs, and account for cable capacitance and rise-time margin at the selected 400-kHz operating rate. This page consolidates verified manufacturer and distributor facts, drop-in replacement evidence, and practical interface-design guidance into one engineering-oriented reference. It also distinguishes verified values from parameters that still require confirmation from the complete manufacturer datasheet.

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P82B715DR - 2-Bit I2C Bus Extender | Texas Instruments
P82B715DR

P82B715DR - 2-Bit I2C Bus Extender | Texas Instruments

The Texas Instruments P82B715DR is a 2-bit bidirectional I2C/SMBus buffer and cable extender operating from 3 V to 12 V at up to 400 kHz, packaged in an 8-pin SOIC. It increases the sink-current capability of I2C drivers so the practical wiring-capacitance limit can extend from the conventional 400 pF to 3 nF. The P82B715DR is intended for systems where cable loading, long interconnects, or multiple bus nodes prevent reliable communication without buffering. An I2C bus extender is a specialized interface IC that preserves bidirectional open-drain bus signaling while placing controlled current amplification between a main bus and a remote segment. The P82B715 provides two buffered channels for SDA and SCL, allowing a controller or peripheral bank to communicate over a longer cable or higher-capacitance wiring. In the system hierarchy, it is an I2C/SMBus interface buffer within interface ICs and semiconductor signal-conditioning products. Key features include a 3 V to 12 V operating supply range, 400 kHz operation, bidirectional data transfer, support for 3 nF bus capacitance, and compatibility with TTL-level drivers. The verified product description identifies the P82B715 family as a bipolar IC using unidirectional analog current amplification. Its main engineering benefit is stronger bus-current drive, although the extender does not provide galvanic isolation and does not eliminate the need to control cable and connector parasitics. The P82B715DR is suitable for industrial control, long inter-card wiring, instrumentation, and systems where SDA or SCL must reach a remote connector. The buffered architecture helps maintain logic levels under capacitive loading, but designers should still minimize stub branches, use appropriate pull-up placement, and verify rise-time requirements at the lowest intended bus rate. The 8-SOIC package also supports conventional surface-mount assembly and easy comparison with the non-reel P82B715D ordering option. A key design consideration is that both sides of the device are connected to open-drain buses and require pull-up resistors selected for the actual bus voltage, load, and target rise time. Do not treat the extender as a level shifter when the two bus sections operate at different voltage domains; verify pull-up values and device limits from the manufacturer datasheet before mixing supply domains. This page combines verified manufacturer and distributor information with application guidance, commercial search answers, and honest replacement analysis. Pricing and availability are presented as of 2026-10-23 where the supplied data provides a price or inventory indication.

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P82B715P - 2-Bit 3-12V I2C Bus Extender | Texas Instruments
P82B715P

P82B715P - 2-Bit 3-12V I2C Bus Extender | Texas Instruments

The Texas Instruments P82B715P is a 2-bit bidirectional I2C and SMBus buffer and cable extender designed for 3 V to 12 V operation and up to 400 kHz bus signaling. It extends the practical wiring capacitance from the conventional 400 pF I2C limit to 3000 pF on the buffered bus while retaining bidirectional data transfer. The device is supplied in an 8-pin DIP package. An I2C bus extender is an interface IC that regenerates or buffers SDA and SCL signals so a heavily loaded bus can operate beyond its original capacitance limit. In the signal-device hierarchy, the P82B715P belongs to the bus-buffer, signal-buffer, interface-IC, and semiconductor categories. It is intended for systems in which cable length, connector loading, or distributed capacitance prevents the controller and peripherals from communicating reliably on a direct I2C bus. The P82B715 uses analog current amplification to increase the current-sink capability of the connected I2C devices. Its buffered Lx and Ly interfaces are designed to sink the larger currents needed by a 3000 pF capacitive bus, while the Sx and Sy side connects to the source-side bus. The architecture supports bidirectional communication, and the datasheet lists a propagation delay of 250 ns. The verified specification data also identifies 22 mA supply current, 4.5 V to 12 V operating supply in one source, and 3000 pF input bus capacitance. Typical uses include long sensor cables, industrial control modules, remote I2C peripherals, test fixtures, and systems that divide a capacitive I2C bus into a buffered high-capacitance segment and a controller-side segment. The P82B715P should be selected only when the complete system still meets the controller's timing, voltage, and logic-level requirements. Because the bus is bidirectional, pull-up placement and signal rise-time behavior remain essential design considerations. For PCB implementation, keep the device connections short and place pull-up resistors on the appropriate bus sections according to the datasheet application guidance. Do not assume that an extender guarantees unlimited cable length: wire resistance, connector capacitance, pull-up strength, bus speed, and the peripheral's sink-current capability can still limit operation. The manufacturer product page and P82B715 datasheet are the primary references for electrical limits and pin behavior. This product page combines the verified manufacturer and distributor data with application guidance and explicitly identifies missing engineering data instead of estimating it. Use it to compare bus capacitance, voltage, speed, package, and sourcing requirements before committing to a design.

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P82B715PN - 2-Bit I2C Bus Extender | NXP
P82B715PN

P82B715PN - 2-Bit I2C Bus Extender | NXP

The NXP Semiconductors P82B715PN is a 2-bit bidirectional I2C bus extender that buffers both SDA and SCL lines to extend the practical separation distance between devices on an I2C bus. It operates from 3 V to 12 V, supports operation up to 400 kHz, and is supplied in an 8-pin PDIP package designated SOT97-1. The device is intended for I2C-bus and derivative bus systems where cable length, bus capacitance, or signal integrity makes a direct bus connection impractical. An I2C bus extender is a bidirectional interface IC that regenerates or buffers clock and data signals rather than acting as a one-way logic buffer. The P82B715PN buffers both halves of a two-wire bus, allowing a master and one or more slaves to communicate across a greater physical distance than would normally be practical for an unbuffered I2C connection. Its 400 kHz operating capability preserves compatibility with conventional standard-speed I2C systems while supporting buffered-bus implementations. The P82B715PN is implemented as a bipolar integrated circuit and retains the operating modes and features associated with the I2C bus while adding buffered SDA and SCL paths. The operating-voltage range of 3 V to 12 V permits use in systems powered from common low-voltage rails. As a bidirectional extender, it can support applications in which either side of the buffered segment must participate in the bus transaction. The key engineering benefit is increased separation between communicating components, with the supplied documentation describing extension to approximately 50 m to 100 m depending on bus implementation. That distance should not be treated as a universal guarantee because cable capacitance, pull-up resistance, bus speed, topology, and termination remain important variables. The 400 kHz limit also means slower I2C rates can provide greater margin in long or capacitively loaded installations. Typical uses include long industrial sensor buses, distributed I2C peripheral connections, remote instrumentation, and retrofit systems where existing cabling must be reused. The device is also useful in derivative bus systems that require a buffered clock and data pair. Because it buffers rather than translates voltage levels, both connected bus segments must use compatible logic levels and the device must remain within its 3 V to 12 V supply range. When designing around the P82B715PN, verify pull-up placement, total bus capacitance, and signal rise time before committing to a long cable. The 400 kHz maximum bus rate leaves less timing margin than lower-rate operation, particularly when cable capacitance is high. A shorter cable, lower I2C clock rate, or properly selected pull-up network may be required when the installation approaches the upper end of the documented distance range. This page consolidates the verified NXP, Texas Instruments, distributor, and technical-index information for the P82B715PN, distinguishes confirmed characteristics from unavailable parameters, and provides a conservative drop-in assessment rather than presenting functionally similar interface ICs as unqualified replacements.

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P82B715TD - 2-Bit 400 kHz I2C Bus Extender | NXP
P82B715TD

P82B715TD - 2-Bit 400 kHz I2C Bus Extender | NXP

NXP Semiconductors P82B715TD is a 2-bit bidirectional I2C-bus and SMBus extender operating from 3 V to 12 V at up to 400 kHz, supplied in an 8-lead SOIC package. The device buffers both clock and data lines to extend the practical separation distance between components on an I2C bus without requiring another bus controller. Its differential bus arrangement preserves bidirectional communication while reducing the loading presented by remote devices on the buffered side. An I2C-bus extender is a specialized interface IC within the broader bus-buffer and signal-repeater hierarchy. It sits between a host controller and a remote I2C segment, isolates the two sides electrically, and allows slow or heavily loaded bus sections to operate more reliably. Unlike a general-purpose unidirectional logic buffer, the P82B715 supports bidirectional clock and data signaling, making it suitable for I2C and derivative bus systems where both sides may initiate or acknowledge a transfer. The principal operating specifications are a 3 V to 12 V supply range, a 400 kHz maximum bus frequency, bidirectional operation on both buffered channels, and an 8-lead plastic small-outline package. The NXP product page identifies the package as SO8 with 8 leads on a 1.27 mm pitch and a body measuring 4.9 mm by 3.9 mm by 1.75 mm. These package dimensions allow the extender to be placed close to a bus segment while preserving a conventional SOIC-8 land pattern. The P82B715 is a bipolar integrated circuit, and its buffer arrangement uses internal series resistance to isolate the two bus sides. The resulting offset between a buffered input and its corresponding bus output depends on current flow, which makes system-level timing, pull-up selection, and wiring length important design variables. The enable pins allow the buffered sections to be disconnected when the device is not required, supporting controlled power management in multi-segment systems. Typical applications include extending I2C sensors, extending SMBus devices on industrial or telecommunications equipment, isolating cable capacitance from a controller, and supporting low-speed bus runs where additional loading would otherwise degrade rise time. The extender is also useful where a peripheral group must be placed behind connectors, test points, or long wiring while the main controller continues to operate from a separate bus segment. Designers should verify pull-up placement, enable polarity, maximum cable capacitance, operating frequency, and logic-level compatibility against the manufacturer datasheet before release. Because the P82B715 buffers rather than regenerates the bus waveform into an unrelated signal path, trace geometry, connector stubs, and the location of pull-up resistors can materially affect signal integrity. The buffered side should be treated as a distinct I2C segment with its own appropriate pull-up network. This product page consolidates the verified NXP and distributor data, separates manufacturer specifications from unavailable pricing fields, identifies genuine same-family drop-in alternatives, and adds application guidance and engineering checks that are not consolidated in a distributor catalog entry.

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P82B96D - 400kHz Bidirectional I2C Buffer | Texas Instruments
P82B96D

P82B96D - 400kHz Bidirectional I2C Buffer | Texas Instruments

The Texas Instruments P82B96D is a 2-bit dual bidirectional bus buffer and cable extender for I2C-compatible systems, supporting operation from 2V to 15V and data rates up to 400kHz in an 8-pin SOIC package. The device isolates or extends two-wire buses while permitting communication between systems operating at different logic voltage levels. Its two bidirectional channels support bus-segmentation, voltage-level translation, and cable-extension applications where signal integrity and fault containment are important. A bidirectional bus buffer is an interface IC that regenerates and electrically separates a two-wire bus while preserving data flow in either direction. In the signal-conditioning hierarchy, it belongs to the bus-buffer and repeater family within interface ICs. Unlike a one-way level translator, a bidirectional buffer automatically detects the direction of bus traffic and allows either endpoint to become the bus master, making it suitable for I2C and SMBus-compatible links. The P82B96D operates across a 2V-to-15V supply range and supports bus logic levels from 2V to 15V. According to the Texas Instruments product page and datasheet, it provides two bidirectional I/O paths, a maximum data rate of 400kHz, and compatibility with I2C buses operating at different voltage levels. The SOIC-8 package supports conventional surface-mount assembly while providing separate access to both bus sides. Its non-latching bidirectional interface avoids a direction-control pin and uses differentiated logic-low behavior to prevent latching. The device can bridge normal I2C logic signals to another bus configuration, including a second P82B96, while its electrical isolation helps limit fault propagation between connected systems. The manufacturer documentation also warns that two Sx or Sy nodes on the same side must not be connected together. Typical applications include I2C bus extenders, level translation between 2V and 15V domains, SMBus-compatible isolation, cable segmentation, industrial control modules, embedded sensor networks, and test systems requiring a robust 400kHz bus repeater. The device is particularly useful where long interconnects, mixed logic voltages, or removable cable sections could otherwise degrade communication reliability. When integrating the P82B96D, preserve the I2C pull-up arrangement on each bus segment and keep the buffer close to the bus being extended. Confirm the complete system voltage range, rise-time budget, capacitance, and fault-current behavior against the manufacturer datasheet. The 400kHz rating should not be treated as a guarantee for every cable length or load combination. This page consolidates manufacturer specifications, distributor availability, verified drop-in alternatives, and practical selection guidance. It highlights the P82B96D’s voltage-range and bidirectional-buffer advantages while clearly identifying details that require confirmation before PCB release.

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P82B96DG4 - 2-15V 400kHz I2C Bus Buffer | Texas Instruments
P82B96DG4

P82B96DG4 - 2-15V 400kHz I2C Bus Buffer | Texas Instruments

The Texas Instruments P82B96DG4 is a 2-bit bidirectional I2C/SMBus buffer and cable extender operating from 2 V to 15 V at 400 kHz in an 8-pin SOIC package. It allows two I2C buses operating at different logic levels to communicate through a passive, bidirectional interface, helping isolate bus capacitance and improve system partitioning. The device supports bidirectional data transfer and is identified by DigiKey as a two-channel, 400 kHz signal redriver in an 8-SOIC package. What is an I2C bus buffer? An I2C buffer is an interface IC that helps extend, isolate, or level-translate a two-wire serial bus. The P82B96 belongs to the broader bus-buffer and interface-IC hierarchy and is used when cable length, bus capacitance, or different logic domains make a direct connection unreliable. Its 400 kHz operating point targets standard-speed I2C systems rather than higher-speed I2C designs. Key features include a 2 V to 15 V operating power-supply range, bidirectional transfer on two bus bits, and compatibility with I2C and SMBus signaling. The manufacturer product page specifically describes the P82B96 as a 2-bit, bidirectional, 2 V to 15 V, 400 kHz I2C/SMBus buffer/cable extender. The 8-SOIC package is a conventional surface-mount package that supports standard PCB assembly and rework processes. Heisener lists 5,568 pieces in stock, but its lead time and price require a quotation. The device is useful when a controller and peripheral bus must be separated by cable distance, connectors, or different voltage domains. It is also appropriate for industrial modules, test equipment, and embedded systems where bus loading and level compatibility are important. The manufacturer documentation also references additional low-period timing of 1,060 ns and a 425 ns I2C bus rise-time allowance, which are relevant when validating system timing. For a robust design, confirm the actual bus voltage levels, capacitance, pull-up resistors, and required rise time against the manufacturer datasheet. Do not treat the quoted stock count as a guaranteed XAIPART inventory position, and obtain a current quote before purchasing. This page combines manufacturer information, distributor listings, and verified comparison data while distinguishing unavailable pricing and lifecycle details.

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P82B96DGKR - 2-15V 400kHz I2C Buffer | Texas Instruments
P82B96DGKR

P82B96DGKR - 2-15V 400kHz I2C Buffer | Texas Instruments

Texas Instruments P82B96DGKR is a 2-bit bidirectional I2C/SMBus buffer and cable extender with a 2 V to 15 V operating supply range, 400 kHz bus speed, and an 8-pin VSSOP (DGK) package. The device provides two bidirectional bus channels and supports interfaces between I2C buses operating at different logic levels. According to the Texas Instruments product page, P82B96DGKR supports operation from -40 °C to 85 °C and is intended for systems requiring buffered bus communication over longer cables or PCB traces. An I2C buffer is an interface IC that regenerates or isolates bus signals while preserving bidirectional open-drain communication. Within the product hierarchy, the P82B96 belongs to the buffer, repeater, and signal-conditioning class of interface ICs used in embedded, industrial, and consumer electronics. Its role is not simply signal amplification: the device establishes a controlled bidirectional interface between a host-side I2C bus and a second bus segment with potentially different voltage and current characteristics. The principal features include two independently buffered bidirectional channels, a broad 2 V to 15 V operating supply range, and operation up to 400 kHz. The wide supply range supports compatibility with 2.5 V, 3.3 V, 5 V, 9 V, and 12 V bus environments identified in the available component data. Its 8-pin VSSOP package provides a compact physical implementation for boards where routing area and component count are important. The absence of a direction-control input also simplifies use with open-drain I2C and SMBus signaling. The P82B96 uses slightly different logic-low thresholds on its two sides to avoid latching when the bidirectional signal paths are active. Texas Instruments explicitly states that two or more Sx or Sy I/O pins must not be connected together on the same node. This architecture allows the buffer to support bidirectional transfers automatically, but it requires correct bus topology and suitable pull-up placement to prevent contention or unintended current paths. Typical uses include isolating one I2C segment from another, extending an I2C bus across a larger board, connecting control boards with different logic voltages, and isolating cable-connected sensors or EEPROMs. The buffer is especially useful where long traces, connectors, cable capacitance, or multiple bus nodes could weaken the original bus signal. Designers must still validate rise time, pull-up resistance, capacitance, and the maximum number of supported devices. When designing around the P82B96, place the device close enough to the remote bus segment to limit the unbuffered section, while keeping the host-side bus short and well controlled. Verify pull-up placement, confirm that both sides operate within their specified logic-voltage limits, and avoid connecting multiple Sx or Sy pins to one node. The available manufacturer and distributor information does not provide a complete timing diagram or detailed electrical limits in the supplied excerpts. This product page consolidates verified manufacturer specifications, distributor pricing, ordering information, and package details into an engineering-focused reference. It also identifies the limited set of same-footprint alternatives that could be verified from the available cross-reference data, avoiding unsupported cross-package substitutions that would require PCB changes.

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P82B96DGKRG4 - 2-15V I2C Bus Buffer | Texas Instruments
P82B96DGKRG4

P82B96DGKRG4 - 2-15V I2C Bus Buffer | Texas Instruments

The Texas Instruments P82B96DGKRG4 is a dual bidirectional I2C and SMBus bus buffer and cable extender with a 2 V to 15 V operating-supply range and a 400 kHz operating frequency. The device is supplied in an 8-pin VSSOP package and is intended for bidirectional level translation between I2C buses operating at different logic voltages. According to the manufacturer product page, the P82B96 is a 2-bit, non-latching bidirectional bus interface. An I2C bus buffer is an interface IC that buffers two bidirectional clock-and-data lines while allowing the buses on either side to use different voltage domains. In the signal-chain hierarchy, the P82B96 is an I2C bus buffer, then a bidirectional bus repeater, then a bus extender, and finally a general-purpose interface IC. This position matters because I2C pull-up networks and bus capacitance can limit reliable communication over longer cables or between physically separated circuit boards. Key features include support for buses operating at different logic levels, bidirectional transfer of I2C signals, and compatibility with I2C and SMBus systems. The verified 400 kHz frequency identifies the device as a standard-speed rather than high-speed or fast-mode-plus bus extender. Its 2 V to 15 V supply range permits use with low-voltage embedded systems as well as higher-voltage industrial bus interfaces, subject to the individual bus voltage and logic-threshold requirements. The P82B96 uses a non-latching bidirectional buffer arrangement so each buffered line can carry traffic in either direction. The two-buffer architecture separates the source-side and destination-side bus segments, allowing logic-level translation when the two buses operate at different voltages. The exact enable, ground, voltage-domain, and data-pin assignments require confirmation from the manufacturer datasheet before PCB routing or replacement qualification. Typical applications include level translation between microcontroller and sensor buses, extending an I2C connection between circuit boards, isolating bus capacitance on longer wiring, and connecting peripheral groups with different supply voltages. The 400 kHz operating limit makes it appropriate for conventional I2C devices rather than designs requiring 1 MHz I2C or faster modes. The primary design consideration is preserving the correct pull-up arrangement on each bus segment. Adding buffer separation can help isolate capacitance, but inappropriate pull-up strength or excessive cable length can still cause timing failures. Engineers should verify logic thresholds, bus capacitance, rise-time limits, and the exact pinout against the Texas Instruments P82B96 datasheet. This page consolidates manufacturer and distributor information, source-backed pricing, replacement availability, application guidance, and comparison criteria for engineers evaluating the P82B96DGKRG4. It also distinguishes verified ordering information from parameters that still require direct datasheet confirmation.

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P82B96DR - 400kHz Bidirectional I2C Buffer | Texas Instruments (Tape & Reel)
P82B96DR

P82B96DR - 400kHz Bidirectional I2C Buffer | Texas Instruments (Tape & Reel)

The Texas Instruments P82B96DR is a 2-bit dual bidirectional bus buffer and cable extender for I2C-compatible systems, supporting operation from 2V to 15V and data rates up to 400kHz in an 8-pin SOIC package. The device isolates or extends two-wire buses while permitting communication between systems operating at different logic voltage levels. Its two bidirectional channels support bus-segmentation, voltage-level translation, and cable-extension applications where signal integrity and fault containment are important. A bidirectional bus buffer is an interface IC that regenerates and electrically separates a two-wire bus while preserving data flow in either direction. In the signal-conditioning hierarchy, it belongs to the bus-buffer and repeater family within interface ICs. Unlike a one-way level translator, a bidirectional buffer automatically detects the direction of bus traffic and allows either endpoint to become the bus master, making it suitable for I2C and SMBus-compatible links. The P82B96DR operates across a 2V-to-15V supply range and supports bus logic levels from 2V to 15V. According to the Texas Instruments product page and datasheet, it provides two bidirectional I/O paths, a maximum data rate of 400kHz, and compatibility with I2C buses operating at different voltage levels. The SOIC-8 package supports conventional surface-mount assembly while providing separate access to both bus sides. Its non-latching bidirectional interface avoids a direction-control pin and uses differentiated logic-low behavior to prevent latching. The device can bridge normal I2C logic signals to another bus configuration, including a second P82B96, while its electrical isolation helps limit fault propagation between connected systems. The manufacturer documentation also warns that two Sx or Sy nodes on the same side must not be connected together. Typical applications include I2C bus extenders, level translation between 2V and 15V domains, SMBus-compatible isolation, cable segmentation, industrial control modules, embedded sensor networks, and test systems requiring a robust 400kHz bus repeater. The device is particularly useful where long interconnects, mixed logic voltages, or removable cable sections could otherwise degrade communication reliability. When integrating the P82B96DR, preserve the I2C pull-up arrangement on each bus segment and keep the buffer close to the bus being extended. Confirm the complete system voltage range, rise-time budget, capacitance, and fault-current behavior against the manufacturer datasheet. The 400kHz rating should not be treated as a guarantee for every cable length or load combination. This page consolidates manufacturer specifications, distributor availability, verified drop-in alternatives, and practical selection guidance. It highlights the P82B96DR’s voltage-range and bidirectional-buffer advantages while clearly identifying details that require confirmation before PCB release.

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P82B96DRG4 - 2-15V Dual I2C Buffer | Texas Instruments
P82B96DRG4

P82B96DRG4 - 2-15V Dual I2C Buffer | Texas Instruments

The Texas Instruments P82B96DRG4 is a dual bidirectional I2C/SMBus bus buffer and cable extender with a 2 V to 15 V operating power-supply range, 400 kHz signaling, and an 8-pin SOIC package. It supports bidirectional data transfer, allows I2C buses operating at different logic levels to communicate, and is intended for extending a main bus over a larger capacitive load. An I2C bus buffer is an interface IC that regenerates or isolates a bidirectional serial bus while preserving clock and data signaling. The P82B96 belongs to the broader bus-buffer and signal-buffer hierarchy, supporting the I2C/SMBus ecosystem. Its two channels can support level translation or cable extension where the connected devices do not share identical logic voltage conditions. The P82B96DRG4 is specified for a 400 kHz bus frequency and a 2 V to 15 V operating supply range. The verified distributor and manufacturer listings identify it as a dual bidirectional bus buffer, while the product page identifies it as a 2-bit I2C/SMBus buffer/cable extender. The SOIC-8 package is surface-mount and is identified in distributor listings as an 8-SOIC device. Exact pin names, pinout details, electrical limits, and capacitance values are not supplied in the verified snippets and are therefore not inferred here. Its main engineering value is bus isolation and extension rather than high-speed differential signal conditioning. Bidirectional operation allows the same connection to carry data in either direction, which is required by I2C clock and data lines. The 400 kHz rating makes the device relevant to standard-speed I2C systems, while the broad supply range supports systems spanning multiple common logic domains when the associated datasheet limits are respected. Typical uses include extending an I2C bus between a controller and remote sensors, isolating a noisy or high-capacitance bus section, connecting I2C devices operating at different logic levels, and reducing loading on a host bus. Designers should verify signal timing, pull-up resistor placement, supply sequencing, logic thresholds, and the maximum supported bus capacitance against the manufacturer datasheet before production use. This page synthesizes verified manufacturer and distributor information, package identifiers, purchasing references, and design guidance. It does not invent missing electrical parameters, pin names, pricing values, or alternative cross-references that were not present in the supplied data.

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P82B96P - 2-Channel 400kHz I2C Buffer | Texas Instruments
P82B96P

P82B96P - 2-Channel 400kHz I2C Buffer | Texas Instruments

The Texas Instruments P82B96P is a 2-bit bidirectional I2C/SMBus buffer and cable extender operating from 2 V to 15 V at up to 400 kHz, supplied in an 8-pin PDIP package. It creates a non-latching interface between I2C buses operating at different logic levels or with different current requirements. Two Sx/Sy channels preserve bidirectional communication without separate direction-control pins. An I2C bus buffer is a signal-conditioning semiconductor that isolates or extends bus nodes, reduces loading, and can translate between logic domains. In the interface hierarchy, the P82B96 belongs to the I2C controller/buffer and extender class, then to bus-interface ICs and interface semiconductors. Its purpose is to improve compatibility among I2C master and slave devices operating across logic levels from 2 V to 15 V. Key features include two bidirectional channels, a 2 V to 15 V operating power-supply range, and a stated 400 kHz operating frequency. The device supports bidirectional data transfer and can connect buses with different voltage and current levels. The PDIP package is suitable for conventional through-hole assembly and prototyping, while its non-latching design avoids requiring an explicit direction-control signal. Technically, the P82B96 uses slightly different logic-low voltage levels on the Sx/Sy side to prevent latching in bidirectional operation. The manufacturer states that two or more Sx or Sy I/O nodes must not be connected together on the same node because the design does not support that configuration. Bus capacitance, rise time, pull-up resistance, and logic-level limits must therefore be checked during implementation. Typical uses include isolating I2C subsystems, connecting devices operating at 2 V through 15 V logic levels, interfacing with SMBus-style systems, and improving electrical loading on longer bus segments. The P82B96 is also appropriate when a standard bus needs an intermediate buffer node rather than a directional translator. For PCB implementation, preserve the manufacturer-recommended pull-ups on each bus side, keep the buffer close to the bus split, and route each side as a continuous bidirectional node. Do not combine multiple Sx or Sy outputs on one node. Confirm timing, voltage, capacitance, and logic-level compatibility before treating the 400 kHz rating as guaranteed for a particular bus. This page consolidates manufacturer and distributor information, replacement assessment, timing considerations, and practical design guidance for engineers evaluating the P82B96P.

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P82B96PN - Dual 2-15V I2C Bus Buffer | NXP Semiconductors
P82B96PN

P82B96PN - Dual 2-15V I2C Bus Buffer | NXP Semiconductors

NXP Semiconductors P82B96PN is a dual bidirectional I2C bus buffer with a 2 V to 15 V operating-voltage range, 400 kHz bus capability, and a low-power supply input. The device is supplied in an 8-pin SOT97-1 plastic DIP package and is designed to split an I2C connection into separate forward and reverse transmit and receive paths. An I2C bus buffer is an interface IC that electrically isolates or reorganizes bidirectional bus signals while preserving two-wire communication. The P82B96 belongs to the buffer and line-driver hierarchy within interface ICs and power-management-adjacent signal conditioning. Its two independent I2C channels handle SCL and SDA signals, providing controlled signal routing for boards, modules, or cable-linked devices where direct capacitive loading or bus segmentation would otherwise reduce reliability. The principal operating specifications are a 2 V to 15 V supply-voltage range, support for I2C operation up to 400 kHz, and a temperature range from -40 °C to +85 °C. The device provides separate Tx, Rx, Ty, and Ry signals alongside the Sx and Sy bus-side pins, allowing each I2C channel to be divided into forward and reverse paths. Its low supply-current design is suitable for power-conscious embedded systems. Technically, the P82B96 uses bidirectional I2C-capable I/O structures rather than a unidirectional buffer with an external direction-control pin. According to the manufacturer datasheet, the Sx and Sy side accepts normal I2C logic levels and can also connect to Tx or Rx signals from another P82B96. The Tx/Rx and Ty/Ry pins use standard I2C logic levels, while the bus-side low-voltage behavior is intentionally slightly different to avoid latching. Typical uses include isolating an I2C master from a remote sensor module, extending the usable separation between two bus nodes, splitting SCL and SDA into directional test paths, and supporting cable-based I2C links in industrial or consumer equipment. The 2 V to 15 V supply range accommodates conventional 2.5 V, 3.3 V, 5 V, and higher-voltage interface environments where device-level compatibility is confirmed. Designers should verify all logic-level thresholds, capacitance, propagation delay, and bus timing against the NXP datasheet before relying on the buffer in a new system. Decoupling and signal-routing practices must prevent the remote bus node from introducing excessive loading, ringing, or unintended multiple-driver conditions. Two or more Sx or Sy I/O nodes must not be connected together on the same node. This product record combines verified NXP specifications, distributor availability references, same-package replacement analysis, and practical design guidance. It identifies the documented benefits and constraints of the P82B96PN while distinguishing true DIP-8 alternatives from parts that require a different footprint.

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P82B96PW - 2-Channel 2-15V I2C Bus Extender | TI
P82B96PW

P82B96PW - 2-Channel 2-15V I2C Bus Extender | TI

The Texas Instruments P82B96PW is a dual bidirectional I2C-compatible bus buffer and cable extender with a 2 V to 15 V operating range, 400 kHz bus speed, and an 8-pin TSSOP (PW) package. It supports bidirectional data transfer between I2C/SMBus systems operating at different voltage or current levels. According to the verified manufacturer product information, the device is intended for interface buffering in systems where trace length, capacitance, voltage-level differences, or loading reduce bus reliability. Its dual-channel architecture allows two independent bus directions or paired sideband signals to be extended through the same package. The P82B96 family belongs to the bidirectional bus-buffer category, which includes I2C buffers, SMBus repeaters, level translators, and bus extenders. Unlike a unidirectional logic buffer, a bidirectional bus buffer must detect and preserve the direction of data while allowing both sides to drive and receive the same lines. This makes the device useful between a host controller and remote sensors, EEPROMs, FPGAs, embedded processors, or other I2C targets that operate at a different electrical reference or require additional bus drive capability. The verified listing identifies P82B96PW as a 2-channel, 400 kHz buffer/reDriver in an 8-pin TSSOP package. The manufacturer describes the device family as a 2-bit bidirectional 2- to 15-V I2C/SMBus buffer and cable extender. The operating temperature range shown in the verified part information is -40 °C to +85 °C. The PW package is a compact surface-mount form suitable for industrial and embedded board layouts, while the 2-bit configuration reduces the number of separate buffer packages needed when multiple related bus lines must be conditioned. A key design consideration is the relationship between bus capacitance, cable or trace length, pull-up resistance, and supported clock rate. Buffering does not remove the need for correct I2C pull-up placement; it provides an intermediate drive point that can isolate the source-side and remote-side buses. The engineer should verify voltage compatibility on both sides, account for the maximum remote-bus loading, and test the complete network at the intended 400 kHz operating condition. The verified datasheet source should be consulted for detailed logic thresholds, timing, and application limits. Typical uses include extending an I2C sensor bus in industrial control equipment, buffering an SMBus connection in a power system, separating a controller from a cable-connected peripheral, and bridging logic domains when voltage-level and current requirements differ. It is also useful in test fixtures and embedded platforms where a long cable or dense peripheral load would otherwise weaken the original bus. Compared with a simple series resistor or passive level shifter, the P82B96 provides an active bidirectional buffer and defined cable-extension function, while still requiring careful external pull-up and grounding design. This product page consolidates the verified manufacturer description, distributor listing information, package identification, pricing reference, and application-oriented guidance. It does not infer unprovided electrical thresholds or invent a cross-brand substitute where the supplied cross-reference data does not establish pin compatibility. The result is intended to support initial component selection and PCB planning, followed by validation against the official P82B96 datasheet and application circuit.

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P82B96PWG4 - 2-Channel 400kHz I2C Bus Buffer | Texas Instruments
P82B96PWG4

P82B96PWG4 - 2-Channel 400kHz I2C Bus Buffer | Texas Instruments

Texas Instruments P82B96PWG4 is a 2-bit dual bidirectional I2C/SMBus buffer and cable extender that supports operation from 2 V to 15 V at up to 400 kHz. The device accommodates two channels, operates from a 15 V maximum supply, and is supplied in an 8-pin TSSOP package. It supports bidirectional I2C data transfer, interfaces buses operating at different logic levels, and allows bus capacitance up to 400 pF on the main bus. An I2C bus buffer is an interface IC placed within a controller-to-peripheral bus path to extend reach, isolate bus segments, reconcile voltage domains, and improve capacitive loading behavior. The P82B96 belongs to the bidirectional bus buffer family within the broader interface IC and semiconductor hierarchy. It is useful where one I2C controller must communicate with remote devices across cable or PCB-routing distances. Key features include two independently buffered bidirectional channels, a 400 kHz operating frequency, operation over a 2 V to 15 V supply range, and support for connecting I2C buses with different logic levels. The 8-TSSOP package supports compact surface-mount layouts. According to the manufacturer datasheet, the device also handles the added low period associated with bus capacitance and clock stretching while preserving standard I2C timing behavior. The P82B96 architecture uses passive-style bus-side connections in the familiar I2C arrangement, allowing each buffered segment to communicate in both directions. Designers should account for the device's internal delay, pull-up placement, capacitance limits, and voltage compatibility when calculating timing and fault behavior. The manufacturer states that the actual bus-clock period, including a 482 ns clock-stretch effect, can be limited to approximately 2745 ns, corresponding to about 364 kHz under the cited condition. Typical applications include extending an I2C sensor bus across a larger PCB, isolating a high-capacitance peripheral segment, bridging sections of an industrial control system, and supporting low-voltage logic domains on one side and higher-voltage I2C devices on the other. It is also suitable for cable-based I2C extensions where the permitted bus capacitance is confirmed by system calculations. A key design consideration is pull-up placement: each I2C bus segment normally requires its own appropriate pull-up network, and placing pull-ups on the wrong side of the buffer can undermine isolation or exceed the permitted capacitance. Verify timing with the slowest participating device, clock stretching, cable length, and actual bus capacitance rather than relying only on the nominal 400 kHz rating. This page consolidates verified manufacturer and distributor information, a drop-in-alternative assessment, application guidance, and practical interface-design considerations into a design-oriented reference for engineers evaluating the P82B96PWG4.

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P82B96PWR - 2-Channel 2-15V I2C Bus Extender | TI (Tape & Reel)
P82B96PWR

P82B96PWR - 2-Channel 2-15V I2C Bus Extender | TI (Tape & Reel)

The Texas Instruments P82B96PWR is a dual bidirectional I2C-compatible bus buffer and cable extender with a 2 V to 15 V operating range, 400 kHz bus speed, and an 8-pin TSSOP (PW) package. It supports bidirectional data transfer between I2C/SMBus systems operating at different voltage or current levels. According to the verified manufacturer product information, the device is intended for interface buffering in systems where trace length, capacitance, voltage-level differences, or loading reduce bus reliability. Its dual-channel architecture allows two independent bus directions or paired sideband signals to be extended through the same package. The P82B96 family belongs to the bidirectional bus-buffer category, which includes I2C buffers, SMBus repeaters, level translators, and bus extenders. Unlike a unidirectional logic buffer, a bidirectional bus buffer must detect and preserve the direction of data while allowing both sides to drive and receive the same lines. This makes the device useful between a host controller and remote sensors, EEPROMs, FPGAs, embedded processors, or other I2C targets that operate at a different electrical reference or require additional bus drive capability. The verified listing identifies P82B96PWR as a 2-channel, 400 kHz buffer/reDriver in an 8-pin TSSOP package. The manufacturer describes the device family as a 2-bit bidirectional 2- to 15-V I2C/SMBus buffer and cable extender. The operating temperature range shown in the verified part information is -40 °C to +85 °C. The PW package is a compact surface-mount form suitable for industrial and embedded board layouts, while the 2-bit configuration reduces the number of separate buffer packages needed when multiple related bus lines must be conditioned. A key design consideration is the relationship between bus capacitance, cable or trace length, pull-up resistance, and supported clock rate. Buffering does not remove the need for correct I2C pull-up placement; it provides an intermediate drive point that can isolate the source-side and remote-side buses. The engineer should verify voltage compatibility on both sides, account for the maximum remote-bus loading, and test the complete network at the intended 400 kHz operating condition. The verified datasheet source should be consulted for detailed logic thresholds, timing, and application limits. Typical uses include extending an I2C sensor bus in industrial control equipment, buffering an SMBus connection in a power system, separating a controller from a cable-connected peripheral, and bridging logic domains when voltage-level and current requirements differ. It is also useful in test fixtures and embedded platforms where a long cable or dense peripheral load would otherwise weaken the original bus. Compared with a simple series resistor or passive level shifter, the P82B96 provides an active bidirectional buffer and defined cable-extension function, while still requiring careful external pull-up and grounding design. This product page consolidates the verified manufacturer description, distributor listing information, package identification, pricing reference, and application-oriented guidance. It does not infer unprovided electrical thresholds or invent a cross-brand substitute where the supplied cross-reference data does not establish pin compatibility. The result is intended to support initial component selection and PCB planning, followed by validation against the official P82B96 datasheet and application circuit.

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P82B96PWRG4 - 2-15V 400kHz I2C Buffer | Texas Instruments
P82B96PWRG4

P82B96PWRG4 - 2-15V 400kHz I2C Buffer | Texas Instruments

The Texas Instruments P82B96PWRG4 is a 2-bit bidirectional I2C and SMBus buffer designed for bus isolation, voltage-level translation, and cable extension between buses operating at different logic levels. Its operating supply range is 2 V to 15 V, supported bus frequency is 400 kHz, and the device is packaged in an 8-pin TSSOP. The P82B96 provides two independently buffered bidirectional channels and supports multiple P82B96 devices in star or multipoint configurations. An I2C bus buffer is an interface IC placed between two bus segments to buffer bidirectional clock and data signals. It helps isolate bus capacitance, separate supply domains, extend cable reach, and prevent contention between devices on different portions of a bus. Within the power-management hierarchy, the P82B96 functions as a signal-conditioning and interface component rather than a regulator or digital logic gate. The principal feature set includes bidirectional data transfer, operation with I2C and SMBus systems, and a supply range covering 2 V through 15 V. Because the two buffered sides can use different logic levels, the device can interface I2C buses operating at different voltages. Its 400 kHz operating capability supports standard Fast-mode I2C communication while providing electrical separation between the main bus and the buffered side. The device uses two bidirectional channels identified in manufacturer documentation as Tx/Rx and Ty/Ry, with corresponding Sx and Sy bus-side nodes. Manufacturer guidance states that there are no restrictions on interconnecting Tx/Rx and Ty/Ry I/O pins to other P82B96 devices in star or multipoint arrangements. This flexibility supports bus partitioning in systems with multiple isolated branches or line-card slave devices. Typical applications include separating a main I2C bus from a remote cable segment, translating between different logic voltages, extending an I2C bus to line-card peripherals, and isolating high-capacitance branches from the main bus. The same 8-pin TSSOP footprint is useful for compact industrial, communications, and embedded-control equipment where PCB area is constrained. Designers should account for each side's pull-up resistor network, verify that all attached devices remain compatible with the target I2C mode and voltage levels, and confirm that the selected logic levels satisfy the device's electrical limits. Because the verified excerpts do not provide a complete pin table, capacitance limits, propagation-delay limits, or thermal data, those values should be confirmed in the manufacturer datasheet before release to production. This page combines the verified manufacturer description, distributor availability information, package details, pin-compatible substitute evidence, application guidance, and design considerations to support faster component selection and PCB planning without duplicating the full datasheet.

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P82B96TD/S911 - 2-15V 400kHz I2C Bus Buffer | NXP
P82B96TD/S911

P82B96TD/S911 - 2-15V 400kHz I2C Bus Buffer | NXP

The NXP Semiconductors P82B96TD/S911 is a dual bidirectional bus buffer that creates a non-latching logic interface between a conventional I2C bus and other bus configurations operating at different voltage or current levels. The device supports a 2 V to 15 V signal range, a 400 kHz bus rate, and an 8-pin SO surface-mount package. Its bidirectional interface capability makes it suitable for voltage-level translation, bus isolation, and cable extension where system-side and logic-side devices do not share identical electrical limits. An I2C bus buffer is a specialized interface integrated circuit that separates two bus segments while allowing clock and data information to pass in either direction. The P82B96 belongs to the hierarchy of bidirectional bus buffers, logic-level translators, interface ICs, and power-management components designed for robust digital interconnect. Unlike a unidirectional level translator, its non-latching architecture supports two-wire communication in both directions and allows connected devices to recognize bus states across the interface. The principal electrical features include a 2 V to 15 V operating range, a 400 kHz maximum I2C operating frequency, and support for interfaces involving 3.3 V logic, low-current SMBus signaling, and logic levels up to 15 V. The buffered architecture reduces the loading imposed on the upstream bus while providing separate side connections for compatible downstream devices. Its bipolar IC construction is identified directly in the manufacturer documentation. The device is designed to bridge buses that differ in voltage and current requirements rather than merely repeating identical logic levels. NXP identifies examples including 350 µA SMBus signaling, 3.3 V logic devices, and 15 V-level or low-impedance lines. The non-latching behavior is important because it preserves the electrical interpretation of bus signals without introducing a held state when the interface is inactive. Typical uses include I2C bus extension, SMBus isolation, level translation between legacy and modern logic domains, and protection of controller pins from capacitive loading. It can also simplify PCB partitioning by placing the buffer between two bus segments and reducing the distance over which a single segment must operate. The 8-pin SO package supports compact surface-mount layouts in industrial, communications, and embedded equipment. A key design consideration is that buffered sections do not automatically remove every bus-compliance issue. Engineers should verify pull-up values, bus capacitance, rise-time requirements, enable polarity, reference-voltage configuration, and the voltage applied to each side against the manufacturer datasheet. Grounding and trace routing should also keep the buffered bus away from noisy power converters to prevent false start or data corruption. This page combines the manufacturer part information, exact verified package and operating details, ordering references, and practical guidance for selecting and implementing the P82B96TD/S911. It also identifies the verified same-footprint options while clearly separating them from general functional equivalents that have not been confirmed as pin-compatible drop-ins.

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P87C58X2BBD - 32KB OTP 80C51 MCU, 33MHz, LQFP-44 | NXP
P87C58X2BBD

P87C58X2BBD - 32KB OTP 80C51 MCU, 33MHz, LQFP-44 | NXP

The NXP P87C58X2BBD is an 8-bit CMOS microcontroller from the 80C51 family, featuring 32KB of OTP (One-Time Programmable) ROM, 256 bytes of RAM, and a maximum clock speed of 33 MHz, housed in a 44-pin LQFP package (MS-018, SOT-187-2). Based on the high-performance static 80C51 architecture, it operates over a wide voltage range of 2.7 V to 5.5 V and supports both 6-clock and 12-clock cycle modes for legacy software compatibility. The 32 programmable I/O lines, three 16-bit counter/timers, and a 6-source interrupt structure make it a versatile embedded controller. An 80C51 microcontroller is a Harvard-architecture 8-bit MCU that originated at Intel in 1980 and became one of the most widely deployed embedded processor cores. Within the taxonomy, the P87C58X2BBD falls under: 80C51 -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. These devices typically integrate CPU core, program memory (ROM/OTP/Flash), data RAM, timers, serial I/O, and parallel I/O into a single die, making them suitable for standalone control applications. Key features include a 6-clock/12-clock mode select for software compatibility with legacy 8051 code, idle and power-down modes for low-power battery applications, an enhanced boolean processor, and an OTP ROM with 1000 erase/program cycles. The 256-byte on-chip RAM is ample for stack and variable storage in typical control loops. The LQFP-44 (10x10 mm) package with 32 I/O lines provides ample GPIO for peripheral interfacing. The P87C58X2BBD uses Philips (now NXP) high-density CMOS technology to deliver low-power, high-speed operation at 30/33 MHz. The static design allows the clock to be stopped and resumed without losing internal state, enabling advanced power-saving strategies in battery-powered and industrial applications. Typical applications include industrial control systems, consumer appliances, automotive body electronics (non-safety), smart sensors, motor control interfaces, and legacy 8051 firmware upgrades. The OTP variant is ideal for production runs where firmware is finalized and cost-per-unit matters more than field reprogrammability. When designing with this device, plan for OTP programming time during manufacturing; once programmed, the part cannot be re-flashed. Ensure your software stack is benchmarked against 6-clock versus 12-clock timing to preserve timing budgets. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering decision support beyond a raw spec sheet.

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P87C591VFA - 8-Bit 80C51 MCU w/ CAN, 16KB OTP, 44-PLCC | NXP
P87C591VFA

P87C591VFA - 8-Bit 80C51 MCU w/ CAN, 16KB OTP, 44-PLCC | NXP

The NXP Semiconductors P87C591VFA is a single-chip 8-bit high-performance microcontroller with an on-chip CAN controller, derived from the 80C51 microcontroller family and including the PeliCAN functionality of the SJA1000 standalone CAN controller. It operates at up to 12 MHz, integrates 16 KB of on-chip OTP program memory, 512 bytes of AUX RAM, and 256 bytes of main RAM, and is housed in a 44-pin PLCC package qualified to AEC-Q100 for automotive applications. An 8-bit microcontroller (MCU) is a programmable logic device that fetches and executes an instruction set from on-chip ROM or OTP, manipulates data in registers, and interfaces with peripherals through digital I/O. The P87C591VFA belongs to the 80C51 architecture family (8051 core) and adds a hardware CAN 2.0B controller, making it a member of the broader category: microcontroller -> embedded controller -> semiconductor IC. It is intended for systems that need deterministic serial communication on a Controller Area Network bus without an external CAN ASIC. Key features include: 16 KB OTP program memory, 256 + 512 bytes RAM, four 8-bit I/O ports, three 16-bit timer/counters, a hardware watchdog timer, eight sources of interrupt with four priority levels, a 10-bit successive-approximation ADC with up to 6 analog inputs, and a full CAN 2.0B controller supporting both standard (11-bit) and extended (29-bit) identifiers. The 80C51 instruction set is binary-compatible with the industry-standard MCS-51, easing code reuse. Internally, the P87C591VFA pairs an 80C51 core with the PeliCAN block from the SJA1000, an 8-channel analog MUX feeding a 10-bit SAR ADC, and dual DPTR registers for fast memory block moves. The device supports 6 clock periods per machine cycle, with power-saving Idle and Power-Down modes that drop core current to a fraction of full-activity levels, important for always-on automotive nodes. Typical applications include automotive body controllers, CAN-based sensor nodes, industrial CANopen/DeviceNet slaves, HVAC controllers, lighting controllers, and battery management peripherals where deterministic CAN communication and AEC-Q100 temperature grading are required. Designers should note that the OTP memory variant requires a windowed EPROM or pre-programmed parts for prototyping; a flash-based derivative is the P87C591's companion part for development. Adequate decoupling (100 nF plus bulk) and a stable 5 V supply are required for reliable ADC and CAN bus operation.

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PADC3224IRGZT - 12-bit Dual 125 MSPS ADC | Texas Instruments
PADC3224IRGZT

PADC3224IRGZT - 12-bit Dual 125 MSPS ADC | Texas Instruments

The Texas Instruments PADC3224IRGZT is a 12-bit, dual-channel, 125 MSPS analog-to-digital converter (ADC) with a pipelined architecture, housed in a 48-pin VQFN (7x7 mm) package. It features two independently sampled input channels, a parallel LVCMOS-compatible output interface, and an integrated input buffer that simplifies front-end filter design. The device operates from a single 1.8 V analog supply and a 3.3 V digital supply, with power consumption of approximately 220 mW per channel at 125 MSPS. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples continuous-time analog voltage signals and converts them into discrete digital codes for downstream processing by FPGAs, DSPs, or microcontrollers. Within the data-converter hierarchy, the PADC3224 sits as a pipelined ADC (sub-nyquist sampling), which itself is a member of the Nyquist-rate ADC family alongside SAR (successive-approximation) and flash converters. Pipelined ADCs are favored for medium-to-high sampling rates (tens to hundreds of MSPS) at moderate resolution (8-14 bit), offering an optimal trade-off between speed, power, and cost compared to flash (high power at high resolution) or SAR (slow but high accuracy). Key features include 70 dB SNR at 50 MHz input, 70 dBc SFDR, an integrated sample-and-hold with 500 MHz full-power bandwidth, and an on-chip reference. The dual-channel architecture makes it well suited for I/Q baseband digitization, dual-antenna receivers, or simultaneous sampling of orthogonal signals. The pipelined architecture provides low latency compared to multi-bit-per-stage converters with calibration, while the LVCMOS outputs eliminate the need for an external LVDS buffer when interfacing to standard FPGAs. The PADC3224IRGZT is designed for communications receivers, medical imaging front-ends (ultrasound beamformers), industrial test and measurement equipment, and multi-channel data acquisition systems. In communications applications it serves as a baseband digitizer for direct-conversion receivers; in ultrasound it simultaneously samples multiple transducer channels; in test equipment it captures wide-bandwidth waveforms for spectral analysis. When designing with this part, pay attention to analog input common-mode voltage, which must be biased to mid-supply (typically 0.9 V) for the on-chip input buffer to operate in its linear range. Decouple AVDD and DRVDD planes separately and use a low-jitter sampling clock to maximize SNR and SFDR. The output data timing requires a configurable clock delay and depends on the output mode selected. This page synthesizes distributor pricing tiers, drop-in compatible pin-compatible alternatives, and practical decoupling and layout considerations not found in the manufacturer datasheet alone.

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PADC3244IRGZT - 14-bit Dual 125MSPS ADC | Texas Instruments
PADC3244IRGZT

PADC3244IRGZT - 14-bit Dual 125MSPS ADC | Texas Instruments

The Texas Instruments PADC3244IRGZT is a 14-bit, dual-channel, 125 MSPS pipelined analog-to-digital converter housed in a 48-pin VQFN (RGZ) package with an exposed thermal pad. Per distributor data, it operates from a 1.8V supply, supports 2 analog inputs through a pipelined architecture, and outputs conversion data over a serial LVDS interface. The PADC3244IRGZT is part of TI's ADS324x/ADC324x family of high-speed, low-power data converters targeting industrial imaging, communications, and test-and-measurement front ends. What is a pipelined ADC? A pipelined analog-to-digital converter is a multi-stage converter in which each stage samples and converts a coarse portion of the input, then passes a residue to the next stage. This architecture delivers high sampling rates (tens to hundreds of MSPS) at moderate resolution (10 to 16 bits) with low power consumption per channel compared to flash or SAR converters of comparable speed. Pipelined ADCs sit within the broader hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor, and are the workhorse of high-speed signal acquisition in communications infrastructure, radar, ultrasound, and digital oscilloscopes. Key differentiating specifications include 14-bit resolution, 125 MSPS maximum sampling rate, dual-channel input, LVDS serial output, low-latency fixed-latency pipeline operation, and an integrated input buffer with programmable analog input range. The 48-pin VQFN-EP (RGZ) 7x7mm package provides a thermal pad with low theta_JA suitable for forced-air or large copper-pour thermal management in dense systems. The part is specified over the -40C to +85C industrial temperature range. At the architecture level, the PADC3244IRGZT uses a multi-stage switched-capacitor pipeline followed by digital error correction, with an on-chip voltage reference and an LVDS serializer that consolidates bit data into a low-EMI serial stream. The internal clock tree accepts a single-ended or differential CMOS clock, simplifying FPGA/ASIC interface timing compared to parallel-output ADCs of the same generation. Typical applications for the PADC3244IRGZT include industrial imaging front ends (machine-vision cameras, line-scan sensors), communications test equipment (signal analyzers, base-station digitizers), medical imaging peripherals (ultrasound receive paths), radar/LIDAR prototype receivers, and wideband data-acquisition cards. The dual-channel architecture is well-suited to I/Q digitizer pairs used in software-defined radio and quadrature demodulation. When integrating the PADC3244IRGZT, provide a low-jitter differential clock and an LVDS-ready FPGA SERDES block; decouple AVDD and DVDD with separate ferrite-isolated planes and bulk + 0.1uF + 10nF capacitor stacks placed as close to each pin as possible. Compared to a 16-bit SAR ADC, expect 100-1000x higher sample rate at lower per-sample resolution, making the trade-off ideal when bandwidth matters more than absolute SNR. This page synthesizes distributor pricing, same-family and competing drop-in alternatives, and practical layout guidance not found in the TI datasheet alone.

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PADC32J45IRGZT - 14-bit 160MSPS Dual ADC | Texas Instruments
PADC32J45IRGZT

PADC32J45IRGZT - 14-bit 160MSPS Dual ADC | Texas Instruments

The Texas Instruments PADC32J45IRGZT is a 14-bit dual-channel, 160-MSPS pipelined analog-to-digital converter (ADC) housed in a 48-pin VQFN (7x7 mm) package with exposed thermal pad. It integrates two ADC channels operating from a single conversion clock, supports differential analog inputs, and provides LVDS-compatible digital outputs designed for high-speed, multi-channel data acquisition. An ADC (analog-to-digital converter) is a data acquisition component that converts continuous analog signals into discrete digital codes at a specified sample rate, enabling downstream DSP, FPGA, or ASIC processing. Within the broader taxonomy, an ADC sits inside the data-acquisition IC family, which in turn belongs to signal-chain and power-management semiconductors. Pipelined ADCs such as the PADC32J45IRGZT use a multi-stage architecture to achieve sample rates of tens to hundreds of MSPS while keeping power consumption moderate, making them a workhorse for communications, imaging, and test-and-measurement front-ends. Key features include 14-bit resolution, 160 MSPS maximum sample rate per channel, dual simultaneously-sampling channels, integrated input buffer and reference decoupling, low-voltage differential signaling (LVDS) digital outputs, and an SPI-compatible serial control interface for gain, offset, and mode programming. The pipelined core delivers wide input bandwidth and supports input frequencies well above Nyquist, simplifying front-end anti-alias filtering in IF-sampling designs. The PADC32J45IRGZT architecture combines two matched pipelined ADC cores channels sharing a common clock and reference, with on-chip input common-mode buffering and an internal dither generator to improve small-signal linearity. The device operates from a single 1.8 V supply for analog and digital domains, plus an LVDS output supply, all routed through the exposed thermal pad for low ground-bounce and stable performance at full sample rate. Typical applications include wireless communications base-station digitizers, software-defined radio receivers, medical imaging front-ends (ultrasound beamformers), radar and lidar signal acquisition, industrial inspection and test instrumentation, and high-speed oscilloscopes or spectrum-analyzer IF digitizers. In each case the dual 160 MSPS channels allow direct IF sampling or wideband baseband capture with high spurious-free dynamic range. When designing with this part, prioritize solid ground-plane stitching beneath the package, place decoupling capacitors within 2 mm of each supply pin, and route the 160 MHz clock with controlled-impedance traces to minimize jitter that directly degrades SNR. Use the SPI port to trim gain and offset per channel rather than relying on external analog adjustment. This page synthesizes distributor pricing tiers, drop-in alternatives in the same 48-VQFN footprint, comparison parameters, and practical design notes not aggregated in any single manufacturer datasheet or distributor listing.

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