CI de interfaz
Subcategorías
Productos (901)
WGI210IS - Intel I210-IS Gigabit Ethernet Controller QFN-64
The Intel WGI210IS is the industrial-temperature variant of the Intel® Ethernet Controller I210, a single-chip, low-power Gigabit Ethernet (10/100/1000 Mbps) controller with a PCI Express v2.1 (2.5 GT/s) host interface, packaged in a 64-pin QFN (9 mm × 9 mm) with exposed pad. Per the Intel I210 datasheet, the device integrates the PHY, MAC, and SerDes onto a single die in CMOS technology and supports 0.9 V / 3.3 V supply rails with an industrial operating temperature range suited to embedded and ruggedized platforms. Background knowledge: A Gigabit Ethernet controller is an interface IC that connects a host processor to a copper or fiber Ethernet link, handling PHY encoding/decoding, MAC framing, DMA, and PCIe transaction-layer services. It sits hierarchically under network interface cards, NIC subsystems, and embedded connectivity platforms, and belongs to the broader class of peripheral / communication controllers. Compared with multi-chip MAC+PHY designs, single-chip integrated controllers reduce board area, BOM cost, and power consumption. Key features include support for IEEE 802.3 10/100/1000 BASE-T, full-duplex operation, energy-efficient Ethernet (EEE), jumbo frames, IEEE 1588 / 802.1AS precision time synchronization, and Intel's Adaptive Interrupt coalescing. The WGI210IS variant specifically targets industrial temperature operation and uses the industrial SKU naming convention (the AT suffix indicates commercial, and the IT suffix indicates another temperature grade). Technical depth: the I210 architecture pairs a triple-speed PHY with a DMA engine that supports up to eight transmit and eight receive queues, providing hardware QoS for voice/video traffic. Built-in power-management features such as D0/D3 PCIe states and EEE allow the controller to drop below 1 W during idle, which is critical for fanless industrial designs. Typical applications include industrial PCs, factory automation controllers, single-board computers (SBCs), embedded gateways, network appliances, and ruggedized switches/routers. The PCIe v2.1 x1 host interface allows it to plug into virtually any modern x86 or ARM embedded SBC that exposes a PCIe lane. When designing with this device, follow Intel's reference schematics carefully: the QFN exposed pad must be soldered to a properly sized ground copper pour for thermal dissipation and ground reference integrity, and the integrated magnetics RJ-45 interface must be selected from the Intel recommended-parts list to pass IEEE conformance and emissions testing. This page synthesizes distributor stock and pricing data, drop-in industrial/com SKU alternatives, comparison rows, and engineering design notes that go beyond what is printed in the Intel I210 datasheet.
XIO2221ZAY - PCIe to 1394b OHCI Bridge | Texas Instruments
The Texas Instruments XIO2221ZAY is a PCI Express (PCIe) to PCI translation bridge with an integrated 1394b Open Host Controller Interface (OHCI) and a 1-port 1394b PHY. It enables seamless connectivity between PCIe-based host systems and legacy PCI peripherals, while providing IEEE 1394b (FireWire) communication at speeds up to 800 Mbps. The device is housed in a 167-ball NFBGA (ZAY) package measuring 12x12 mm, designed for surface-mount assembly. A PCIe-to-PCI bridge is a digital interface IC that translates PCIe transactions to the legacy PCI bus protocol, allowing modern systems to interface with older expansion cards. The XIO2221 integrates this bridge with a 1394b OHCI controller and PHY, consolidating multiple functions into a single device. This reduces board space, power consumption, and system complexity compared to discrete implementations. Key features include full compliance with the PCI Express to PCI/PCI-X Bridge Specification, Revision 1.0, and support for the standard PCI-to-PCI bridge programming model. The integrated 1394b OHCI controller with 1-port PHY supports data rates of 100, 200, 400, and 800 Mbps. The device operates over a commercial temperature range of 0°C to 70°C and requires a 3.3V core supply. The XIO2221 uses a digital architecture that handles protocol translation and data buffering between the PCIe and PCI domains. It supports advanced error handling, power management, and configurable interrupt routing. The integrated PHY provides electrical signaling for the 1394b bus, including cable power and arbitration. Typical applications include desktop and laptop computers, industrial PCs, test and measurement equipment, and professional audio/video systems that require FireWire connectivity. The bridge enables designers to add 1394b ports to systems that only have PCIe slots, extending the life of legacy FireWire peripherals. When designing with the XIO2221, ensure proper decoupling of the 3.3V supply and follow the layout guidelines in the datasheet for the PCIe differential pairs and 1394b PHY signals. The device requires an external reference clock and EEPROM for configuration.
XR21B1420IL28-F - 1-Ch USB 2.0 FS UART Bridge, 28-QFN | MaxLinear
The MaxLinear XR21B1420IL28-F is an enhanced single-channel Universal Asynchronous Receiver/Transmitter (UART) bridge to USB interface IC, housed in a 28-pin QFN package (5x5 mm). The device integrates a USB 2.0 Full-Speed compliant PHY, a 512-byte TX/RX FIFO UART engine, and an internal 3.3V LDO that allows operation from a single 5V supply while generating the USB-required 3.3V rail internally. A UART (Universal Asynchronous Receiver/Transmitter) is a hardware block that converts parallel data into asynchronous serial frames and vice versa. A USB-to-UART bridge adds a USB device controller on one side so a host MCU or PC can communicate with a legacy UART peripheral using only a USB cable; this eliminates legacy RS-232 transceivers and simplifies cabling in industrial, point-of-sale, and embedded designs. The XR21B1420 supports the full USB 2.0 Full-Speed data rate of 12 Mbps, suspend/resume/remote-wakeup signaling, and programmable USB Vendor ID, Product ID, and power descriptors. The UART side offers 5, 6, 7, or 8 data bits, configurable baud rates via the MaxLinear configuration utility, hardware and Xon/Xoff flow control, and GPIO pins mapped to modem-control signals. The integrated 512-byte TX/RX FIFO per channel reduces host CPU overhead by allowing burst transfers without byte-level servicing. Typical applications include industrial USB-to-RS232/RS422/RS485 adapters, point-of-sale terminals, barcode scanners, GPS modules, embedded debug consoles, and any MCU/MPU that requires a USB device port without an on-chip USB controller. The wide industrial temperature range (-40C to +85C) and small 5x5 mm QFN footprint allow placement in compact, thermally-constrained enclosures. When designing with this part, place the 12 MHz crystal or external clock source within 5 mm of the XI/XO pins and keep the D+/D- traces as a 90-ohm differential pair routed directly to the USB connector. Use the internal LDO for 5V-only supplies, but bypass the internal regulator when a clean external 3.3V rail is available to reduce internal power dissipation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that the manufacturer datasheet does not present in a single view.
XR21B1421IL28-F - USB 2.0 FS to UART Bridge IC | MaxLinear
The MaxLinear XR21B1421IL28-F is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to a Human Interface Device (HID) class USB interface, offered in a 28-pin QFN (5x5 mm) package. The USB interface is fully compliant with the USB 2.0 Full-Speed specification and supports a 12 Mbps data rate, with USB suspend, resume, and remote-wakeup operations. The part supplies a regulated 3.3 V output when powered from a single 5 V supply and operates directly from a 3.3 V supply as well, with the 28-pin package internally tying VIO to 3.3 V. A USB-to-UART bridge is a category of interface controller IC that converts USB signaling into a serial UART data stream. Within the broader taxonomy, this places the XR21B1421IL28-F as: USB bridge controller -> UART bridge -> serial interface IC -> interface controller -> integrated circuit -> semiconductor. Bridges of this class are commonly used to add USB connectivity to embedded systems that expose only a UART, replacing legacy RS-232 transceivers and saving board area. The HID class profile allows the device to enumerate on any major host OS without requiring custom drivers. Key features include configurable USB Vendor ID / Product ID strings, configurable power mode and remote-wakeup behavior, GPIO support, and a programmable maximum power consumption reported to the host. The integrated 3.3 V LDO removes the need for an external regulator in 5 V designs, and the part supports a wide baud-rate range through an external clock reference. Industrial-grade -40 °C to +85 °C operation and a compact 28-QFN footprint make the XR21B1421IL28-F attractive for space-constrained embedded modules. Internally, the XR21B1421 uses a serial-interface engine with hardware-accelerated USB protocol handling, offload flow control (XOFF/XON, RTS/CTS), and an integrated oscillator that minimizes external component count. Compared with discrete MCU-based USB stacks, the dedicated bridge architecture delivers deterministic latency and frees the host MCU from USB interrupt overhead. This architecture is well suited to point-of-sale terminals, industrial sensors, and any MCU lacking an integrated USB device controller. Typical applications include USB-to-serial adapters and dongles, point-of-sale and kiosk UART peripherals, industrial sensor and meter data loggers, medical instrument data ports, and embedded MCU debug consoles. The HID-class driverless enumeration is especially valuable when targeting locked-down hosts (kiosks, medical carts) where custom INF files cannot be installed. When designing with this part, ensure the USB D+/D- pair is routed as a 90 Ω differential pair on the PCB and that the exposed pad is soldered to a sufficiently large ground pour for thermal dissipation. Verify that the host-side power mode configuration matches the application (bus-powered vs self-powered) to avoid USB compliance failures during enumeration. This page synthesizes distributor pricing, drop-in alternative parts, and practical design considerations that are not available on a single MaxLinear datasheet page.
XR21B1424IV64-F - 4-Ch FS USB UART Bridge, 64-LQFP | MaxLinear
The MaxLinear XR21B1424IV64-F is an enhanced 4-channel Full-Speed USB-to-UART bridge controller that integrates a USB 2.0 Full-Speed (12 Mbps) device interface with four independent enhanced UART channels, packaged in a 64-pin LQFP (10x10 mm). The part supports USB suspend, resume, and remote wakeup, and exposes programmable USB Vendor ID, Product ID, power mode, and remote wakeup behavior through internal EEPROM. A USB-to-UART bridge is a mixed-signal interface IC that converts USB packet traffic from a host controller into asynchronous serial (start/stop/data bit) streams that legacy MCUs and peripherals understand. Within the system hierarchy, the XR21B1424 belongs to the class of USB interface bridges > peripheral controllers > interface ICs > integrated circuits. It eliminates the need for a dedicated USB-capable MCU on the peripheral side, allowing any MCU with a UART to gain a USB interface by simply connecting its serial lines to the bridge. Key features include a 512-byte TX and 512-byte RX FIFO per channel (deep enough to sustain Full-Speed throughput without host-side flow-control stalls), hardware flow control (RTS/CTS and DTR/DSR), programmable baud rates, on-chip clock generator, power-on reset, low-power suspend mode, and wake-up signaling. Supply voltage is 3.0 V to 3.6 V or 4.4 V to 5.25 V (wide-range VBAT-tolerant I/O design for industrial and POS terminals). The 64-pin LQFP provides ample GPIO and is suitable for hand-solderable prototypes as well as volume SMT lines. The XR21B1424 architecture pairs a USB 2.0 Full-Speed PHY + SIE with four enhanced 16550-compatible UART cores. Each UART supports data rates from 50 baud to 12 Mbaud (with asynchronous clock domain), 5/6/7/8-bit characters, and odd/even/mark/space/1/0 parity, and the FIFOs can be triggered at 1 to 128 bytes to minimize host interrupt overhead. The internal oscillator and PLL are trimmed for low jitter, allowing reliable communication over RS-232/RS-485 external transceivers without an external crystal. Typical applications include industrial USB-to-RS-422/RS-485 adapters, point-of-sale (POS) terminals, multi-port serial expansion cards, factory-floor PLC debug ports, USB-to-serial fan-out hubs, and embedded systems that need multiple COM ports from a single USB connection. The 4-channel density is particularly attractive when a host needs to talk to several MCUs or sensors that only expose UART. When designing with this device, ensure the USB DP/DM pair is routed as a 90-ohm differential pair and that the upstream UART lines are short and referenced to a clean ground. The internal EEPROM should be locked before firmware release if the Vendor/Product IDs are sensitive, and the suspend current budget must be respected for USB-IF compliance. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical layout notes that supplement the manufacturer datasheet with engineering-decision context.
XR3160EIU-F - RS-232/422/485 Multiprotocol Transceiver, 20-SSOP
The MaxLinear XR3160EIU-F is an advanced multiprotocol serial transceiver supporting RS-232, RS-485, and RS-422 standards from a single 3V to 5.5V supply, housed in a 20-pin SSOP package. It integrates 1/1 RS-232 driver/receiver channels plus 2/2 RS-422/RS-485 driver/receiver channels, with 15 kV ESD protection on the bus pins. The part supports RS-485/RS-422 data rates up to 20 Mbps and RS-232 data rates up to 1 Mbps. A multiprotocol transceiver is a single IC that bridges a UART or microcontroller to multiple physical-layer standards (RS-232, RS-485, RS-422), enabling one PCB design to serve point-to-point (RS-232), half-duplex multidrop (RS-485), or full-duplex differential (RS-422) links via software-mode selection. Within the broader hierarchy, the XR3160EIU-F belongs to the line transceiver / interface IC family, which itself sits under wired-connectivity semiconductors used in industrial automation, point-of-sale, and building-automation networks. The XR3160EIU-F's multiprotocol capability removes the need for two or three separate transceivers per port. Key features include an integrated charge pump that requires only four external 0.1 uF capacitors to generate RS-232 voltage levels from a single 3.3V or 5V rail, true fail-safe receivers for RS-485/RS-422 to guarantee a known output when the bus is idle or shorted, and a low-current shutdown mode (typical Icc < 10 uA) for battery-powered applications. The wide 3V to 5.5V supply range and TTL/CMOS-compatible logic inputs make it directly compatible with 3.3V MCUs and 5V legacy systems without level shifters. Architecturally, the XR3160EIU-F combines a charge-pump DC-DC converter with three driver channels and three receiver channels. Mode selection (RS-232 vs RS-485/RS-422, full- vs half-duplex) is performed via the logic inputs; the internal RS-485/RS-422 transmitters feature slew-rate-limited outputs and robust 15 kV HBM ESD protection on the bus pins, allowing the part to survive direct handling and harsh industrial transients. Typical applications include industrial PLC communication ports, multi-drop RS-485 sensor networks, point-of-sale (POS) terminals, building automation (BACnet / Modbus), and any embedded product that needs to support multiple serial protocols with one BOM line. Designers choose it when board space and component count are limited but protocol flexibility is required. When designing with the XR3160EIU-F, place the four charge-pump capacitors as close to the C1+ / C1- / C2+ / C2- pins as possible, use a solid ground plane, and observe RS-485 termination (120 ohm) only at the cable ends of long runs. The shutdown pin should be tied low through a 100 kohm pull-down if unused to prevent floating-mode glitches. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and application-specific design notes not found in the manufacturer datasheet alone.
XR33180ESBTR - 52Mbps RS-485/422 Receiver | MaxLinear | 3-5.5V
The MaxLinear (formerly Exar) XR33180ESBTR is a high-performance 0/1 RS-485/RS-422 receiver housed in a 5-pin TSOT-23-5 (TSOT-5) surface-mount package, designed for serial communication applications up to 52Mbps. The device operates from a single 3.0V to 5.5V supply, supports 1/8 unit-load (up to 256 nodes on the bus), and provides ±15kV ESD protection on the bus pins per IEC 61000-4-2 air-gap discharge. A single-channel receiver-only topology simplifies point-to-point and multi-drop designs using an external transceiver such as the XR33183, or pairs directly with discrete driver ICs. A receiver is a serial-interface sub-block that converts a differential voltage on the RS-485/RS-422 bus into a single-ended logic-level signal for a UART, MCU, or ASIC. In the broader signal-composition hierarchy, an RS-485 receiver belongs to the line-driver/receiver family, which sits under the interface-IC category within power-management and connectivity ICs. Receiver-only parts like the XR33180 are used when system partitioning places the driver in another IC, when retrofitting an RS-485 receiver onto a board already containing a discrete or FPGA-based driver, or when a design needs bus-monitoring/diagnostics while the main driver is in high-impedance. Key specifications include a maximum data rate of 52Mbps, a wide 3.0V to 5.5V supply range, a 1/8 unit-load input impedance (allowing up to 256 nodes on a single bus), and an industrial operating temperature range of -40C to +85C. The receiver features a fail-safe open-circuit, short-circuit, and idle-bus design that guarantees a logic-high output when the bus is undriven, eliminating the need for external biasing resistors on many networks. The XR33180 uses a 5-pin TSOT-23 (Thin Small Outline Transistor) package with a 2.9mm x 1.6mm body, sharing the same land pattern as industry-standard TSOT-23-5 pinouts. This makes the part compatible with a range of pin-compatible RS-485 receiver drop-in alternatives from Maxim, TI, and Renesas. Logic outputs swing rail-to-rail and are TTL-compatible, supporting direct connection to 3.3V and 5V MCUs without level shifters. Typical applications include industrial field-bus networks (Modbus RTU, Profibus DP, BACnet), building automation (lighting, HVAC, security panels), motor-control and encoder feedback links, point-of-sale (POS) terminals, and any high-speed multi-drop RS-485 link where a small-footprint, robust-ESD receiver is required. The part is commonly paired with the XR33183 half-duplex transceiver or a discrete RS-485 driver in mixed designs. When designing with the XR33180, place a 100nF decoupling capacitor within 2 mm of the VCC pin and add a bulk 10uF capacitor near the supply rail. Keep the receiver differential inputs (A, B) impedance-controlled on the PCB; route them as a tightly-coupled 100-ohm differential pair to preserve signal integrity at maximum data rate. The fail-safe biasing is internal, so external fail-safe resistors are usually not required. This page synthesizes MaxLinear distributor pricing, same-brand drop-in alternatives (XR33181ESBTR, XR33183ESBTR, XR33184ESBTR), and practical design notes not found in the manufacturer datasheet alone.
XR34350ILTR - Multiprotocol RS-232/RS-485/RS-422 Transceiver | MaxLinear
The MaxLinear XR34350ILTR is an advanced multiprotocol serial transceiver supporting RS-232, RS-485, and RS-422 standards in a 40-pin QFN (6x6 mm) package. It delivers integrated cable termination, four configuration modes, and up to 20 Mbps RS-485/RS-422 throughput. According to the MaxLinear datasheet, the device operates from a single 3.3 V or 5.0 V supply (±5%) and requires only four external 0.1 µF charge pump capacitors for full operation. An RS-485/RS-422 multi-protocol transceiver is a single-chip interface IC that allows one physical port to communicate over multiple serial standards by reconfiguring its drivers and receivers. This category sits within the broader family of serial transceivers (also known as line transceivers or bus transceivers), which are essential building blocks inside the interface ICs tier of a system. By consolidating three standards into one IC, multiprotocol transceivers reduce BOM count, save PCB area, and let a single hardware design talk to legacy RS-232 equipment, RS-485 multidrop buses, and RS-422 point-to-point links on demand. Key features include 1 transmitter / 1 receiver (1Tx / 1Rx) in RS-485/RS-422 half or full duplex, full DB9-equivalent 3Tx / 5Rx support in RS-232 mode, a dedicated diagnostic loopback mode, integrated cable termination resistors, and wide output swing for robust signal margins. High-speed drivers reach 20 Mbps in RS-485/RS-422 and 1 Mbps in RS-232 mode. Four configuration pins select the active protocol at power-up with no external switching components required. The architecture combines a charge-pump DC-DC converter (the four external capacitors double and invert the supply to generate the RS-232 driver rails) with differential line drivers and receivers. Wide output swing ensures compliance with RS-232 ±15 V signaling even when powered from 3.3 V rails, while the integrated termination resistors eliminate external RS-485 120 Ω bias networks on the bus. Typical applications include multiprotocol industrial fieldbus gateways, point-of-sale (POS) terminals that must handshake with both legacy RS-232 peripherals and modern RS-485 instruments, telecom base station control ports, building automation controllers, and any embedded system that needs to bridge between RS-232, RS-422, and RS-422 segments on a single connector. When designing with this part, place the four charge-pump capacitors as close to the C1–C4 pins as possible with low-ESR ceramic types, and keep the MODE/SHDN pins either tied or driven by GPIOs. Note that activating the integrated termination draws additional supply current; disable it when not in use to save power. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers quickly compare multiprotocol transceiver options for industrial-grade serial designs.
YT8512C - 10/100Mbps Ethernet PHY Transceiver, MII/RMII | Motorcomm
The Motorcomm YT8512C is a low-power single-port 10/100 Mbps Fast Ethernet PHY transceiver housed in a 32-pin QFN (5x5 mm) package. It supports 10BASE-T and 100BASE-TX operation, provides MII and RMII MAC interfaces, and operates from a single 3.3V supply with commercial-grade 0C to +70C temperature range. According to the Motorcomm YT8512C/YT8512H datasheet, the device delivers all physical-layer functions required to transmit and receive data over standard twisted-pair cables. An Ethernet PHY (physical layer transceiver) is the analog/digital mixed-signal block that sits between a MAC (media access controller) and the RJ45/Magnetics front end. PHYs handle line encoding/decoding, equalization, clock/data recovery, link training (auto-negotiation), and the MDI (medium dependent interface) signaling that lets a MAC send Ethernet frames over CAT5/CAT6 copper. PHYs are a sub-category of Ethernet transceiver ICs in the broader interface IC hierarchy, and the YT8512C targets cost-sensitive embedded designs that still need industrial-grade robustness. Key features include support for both MII and RMII, auto-negotiation and auto-MDI/MDIX crossover, on-chip termination resistors, a 25 MHz reference clock input (RMII mode), HP Auto-MDIX, and low-power operation with Energy Detect / Power Down modes. The device integrates baseline wander correction and adaptive equalization to maintain signal integrity across varied cable lengths up to 100 meters. Built-in LED indicator drivers simplify link/activity/status monitoring without external glue logic. Technically, the YT8512C uses mixed-signal DSP techniques for 100BASE-TX echo cancellation, far-end crosstalk (FEXT) cancellation, and 4B/5B / MLT-3 decoding. Its adaptive equalizer compensates for frequency-dependent cable loss, and a PLL multiplies the 25 MHz reference to generate the 125 MHz clock needed for 100 Mbps operation. The integration of termination resistors and magnetics-interface biasing reduces external BOM and PCB area, which is critical for compact embedded modules. Typical applications include industrial Ethernet switches, IP cameras, smart-home gateways, PLC (programmable logic controller) communication modules, IoT edge nodes, and any embedded MCU+MAC design (e.g., STM32 Ethernet, NXP i.MX RT, Linux SoMs) that needs a low-cost 10/100 Mbps copper interface. The wide 0C to +70C range also suits factory-floor controllers with airflow cooling. When designing with the YT8512C, place the 25 MHz crystal or reference clock within 1 cm of the XI/XO pins and follow the standard 4-layer PCB stack-up with a continuous ground pour beneath the QFN. Ensure the center pad is properly soldered to the ground plane for thermal dissipation and EMI performance; improper grounding is the most common cause of PHY link instability. This page synthesizes Motorcomm datasheet facts, distributor pricing, drop-in alternative PHY ICs, and practical PCB layout notes not always present in the manufacturer datasheet.
Z84C4310AEG - Z80 SIO/3 10MHz CMOS Serial I/O | Zilog
The Zilog Z84C4310AEG is a CMOS Z80 SIO/3 serial input/output controller operating at 10 MHz, housed in a 44-pin LQFP package. It integrates two independent full-duplex serial channels, a Z80-compatible bus interface, and programmable baud-rate generators, providing up to two channels of synchronous/asynchronous serial communication in legacy Z80 microprocessor systems. A Serial I/O Controller (SIO) is a category of peripheral device that offloads serial framing, handshaking, and clock-recovery from the host CPU. In the system hierarchy, the Z84C4310AEG sits as a peripheral IC alongside the CPU (e.g., Z84C00 Z80), the CTC counter-timer, and the PIO parallel I/O. The 'Z80 SIO/3' designation identifies it as the third-generation Zilog SIO, adding enhanced HDLC/SDLC support and dedicated modem control signals that the original Z80 SIO (Z8440) lacked. Key features include two independent full-duplex serial channels with independent baud-rate generators, integrated Z80 bus interface with INT/IE vectors, programmable data formats (5 to 8 bits per character, 1 to 2 stop bits, parity even/odd/none), four on-chip DMA channels with selectable FIFO depths, and CMOS low-power operation from a single 5 V supply. The '10' suffix denotes 10 MHz maximum clock, allowing sustained serial throughput up to 1 Mbaud in synchronous mode. Architecturally, the Z84C4310AEG pairs the legacy Z80 SIO/3 register set with a CMOS process, reducing the original NMOS part's typical 200 mA supply current to roughly 10 mA active. Each channel independently handles receive clock-recovery, transmit clock generation, and break/abort detection. The chip supports NRZ, NRZI, and FM encodings, and the four DMA channels permit direct memory transfers without CPU intervention, which is critical in tight real-time protocols such as BISYNC and HDLC. Typical applications include industrial Z80-based embedded control boards, factory-floor serial-backplane nodes, point-of-sale terminals, telecom front-end cards, and legacy M2M/SCADA controllers that require multi-drop synchronous or asynchronous serial links. Engineers select this part specifically when existing firmware targets the Z80 SIO register set, when upgrading older NMOS boards to a CMOS low-power redesign, or when a single chip must terminate two channels of modem-grade serial traffic. Designers should note that Z84C4310AEG requires an external 5 V supply and a quartz-crystal or system-clock source up to 10 MHz; the receive and transmit clocks can alternatively be supplied from an external modem. Unused inputs must be pulled to defined logic levels to avoid spurious interrupts. The 44-LQFP footprint (10 mm × 10 mm body) allows drop-in upgrade from the legacy 44-PLCC Z80 SIO designs that already use the same pinout. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including cross-family same-brand variants and architectural context for engineers maintaining or upgrading legacy Z80 platforms.
ZL88801LDF1 - Dual Ch FXS Wideband VoicePort 100V 64-QFN | Microchip
The Microchip Technology ZL88801LDF1 is a dual-channel shared tracking Battery Wideband VoicePort device that provides complete BORSCHT functions for two telephone line FXS ports, housed in a 64-pin QFN EP (9x9 mm) package. It operates from a 100V battery supply, supports wideband voice coding, and is rated for 2100 mW power dissipation with a serial control interface. This IC belongs to the new ZL880 Series, which delivers enhanced functionality, lower BOM cost, and greater power efficiency while maintaining software compatibility with the legacy VE880 Series. A VoicePort device is a subscriber line interface circuit (SLIC) that combines multiple discrete analog functions (Battery feed, Overvoltage protection, Ringing, Supervision, Coding, Hybrid, and Test) into a single IC. Within the telecom IC hierarchy, the ZL88801 sits as a SLIC -> line interface -> analog front-end -> power management IC, used primarily in VoIP gateways, integrated access devices, and class-5 central-office platforms. The wideband capability supports modern G.722 and Opus codecs by extending the audio passband beyond the 3.4 kHz limit of POTS telephony. Key features include dual independent FXS channels per package, shared battery tracking for reduced power dissipation, 100V maximum battery supply, integrated BORSCHT functionality eliminating external protection components, programmable ring-trip and loop-supervision thresholds, and an SPI/I2C-compatible serial control interface. The shared tracking architecture lets both channels share the same battery feed voltage while still supporting independent line states. The ZL88801 uses a high-voltage bipolar/DMOS mixed process on a dielectrically-isolated substrate, allowing 100V rail handling alongside precision analog signal paths. Its on-chip dc-dc controller coordinates the shared tracking converter so the line-feed voltage always stays 5-10V above the largest signal excursion, minimizing Class-AB power dissipation versus a fixed-battery design. Typical applications include VoIP residential gateways, small business PBX systems, optical network terminals (ONT) with integrated POTS, class-5 central-office line cards, and integrated access devices. The wideband support enables HD-voice service offerings, while the dual-channel integration halves the PCB area versus two discrete SLICs. When designing with the ZL88801LDF1, ensure adequate PCB copper area for thermal dissipation, since 2100 mW worst-case dissipation in a 64-QFN requires thermal vias under the exposed pad. Always program the ring-trip and off-hook thresholds is configurable. The shared battery architecture must use the recommended inductor and capacitor values for stable tracking-loop operation. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical thermal/design notes not consolidated on the manufacturer product page.
ZSSC4151AE2R - Automotive Resistive SSC | 24-QFN | Renesas
The Renesas ZSSC4151AE2R is an automotive-grade CMOS sensor signal conditioner (SSC) for resistive bridge sensors, housed in a 24-pin QFN (4x4 mm) package. It provides highly accurate amplification and sensor-specific digital correction of resistive bridge signals, operating from a single 4.5 V to 5.5 V analog supply with analog ratiometric output. A sensor signal conditioner (SSC) is a mixed-signal IC placed between a resistive bridge sensor (such as a strain gauge, pressure cell, or position sensor) and a downstream microcontroller or ECU. It handles bridge excitation, low-noise analog amplification, ADC conversion, and digital linearization/compensation, converting the small raw mV/V bridge signal into a calibrated analog output. The ZSSC4151 belongs to the broader hierarchy of sensor interface ICs within the power management and analog signal chain domain. Key features include on-chip EEPROM for calibration coefficients, overvoltage and reverse-polarity protection, excellent EMC immunity suited to automotive environments, and a full automotive operating temperature range. Per the manufacturer datasheet, the device is optimized for safety-related applications with multiple diagnostic features such as bridge short detection and supply monitoring. The architecture combines a precision analog front-end with an internal 16-bit-class signal path and EEPROM-based calibration. The ZSSC4151 accepts single or differential resistive bridge inputs and provides a ratiometric analog output proportional to the applied excitation. Calibration is performed via the single-wire/OWI interface, which also enables in-application re-calibration and traceability of each unit. Typical applications include automotive manifold absolute pressure (MAP) sensors, pedal position sensors, HVAC pressure transducers, and other safety-critical resistive-sensor modules that require AEC-Q100 qualification, small PCB footprint, and on-board calibration storage. When designing with the ZSSC4151AE2R, allocate sufficient PCB area for the decoupling network around VDD/VDDA and the bridge excitation pins, and follow the reference PCB layout in the datasheet to meet automotive EMC targets. The 24-QFN (4x4) package provides a low thermal resistance path to the die, but no exposed pad is required for thermal dissipation under normal bridge-sensor loads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ZZISO-20260819 - High-Speed Isolated Digital Isolator | XAIPART
The ZZISO-20260819 is a high-speed, reinforced digital isolator designed for robust signal isolation in industrial, automotive, and communication systems. It provides galvanic isolation up to 5 kVrms, ensuring safe and reliable data transfer between different ground domains. The device supports data rates up to 150 Mbps, making it suitable for high-speed interfaces such as SPI, UART, and CAN. It is available in a compact SOIC-16 package, offering a space-saving solution for dense PCB layouts. A digital isolator is a component that transmits digital signals across an isolation barrier, preventing DC current flow while allowing AC signal transfer. It is essential in systems where ground potential differences or noise could disrupt signal integrity. Digital isolators are part of the broader category of isolation components, which also includes optocouplers and magnetic isolators. They are widely used in motor drives, power converters, and medical devices to protect sensitive electronics from high-voltage transients. Key features of the ZZISO-20260819 include a wide supply voltage range of 2.5V to 5.5V, low propagation delay of 10 ns, and high common-mode transient immunity of 100 kV/us. The device also features an enable pin for power management and a fail-safe output that defaults to a known state when the input is unpowered. These specifications ensure reliable operation in noisy environments and critical safety applications. Technically, the ZZISO-20260819 uses capacitive coupling technology to achieve high-speed data transfer with low power consumption. The isolation barrier is reinforced to provide double protection, meeting stringent safety standards. The device is designed to operate over a wide temperature range of -40C to +125C, making it suitable for harsh industrial environments. Its low quiescent current of 1.5 mA per channel helps reduce overall system power consumption. Typical applications include isolated SPI communication in motor control, isolated CAN bus interfaces in automotive electronics, and isolated UART links in industrial automation. The high data rate and robust isolation make it ideal for these use cases, ensuring reliable data transfer even in electrically noisy environments. When designing with the ZZISO-20260819, it is important to place decoupling capacitors close to the VCC pins and ensure proper PCB layout to minimize parasitic inductance. The enable pin can be used to put the device into a low-power shutdown mode when isolation is not required, saving energy in battery-powered systems.