Circuitos Integrados

GS8642Z36GB-250I

GS8642Z36GB-250I - 72Mb Sync ZBT SRAM 250MHz 119-FPBGA | GSI

The GSI Technology GS8642Z36GB-250I is a 72 Mbit synchronous pipelined/flow-through Zero Bus Turnaround (ZBT) SRAM organized as 2M x 36 bits, housed in a 119-ball Fine-pitch BGA (119-FPBGA, 22x14 mm) package. The part operates from a 2.5 V or 3.3 V supply and supports a 250 MHz parallel interface, delivering clock-to-data access times as fast as 6.5 ns (flow-through) and 2.5 ns (pipelined). The ZBT architecture eliminates the wasted bus cycles inherent to standard SRAMs and is targeted at networking infrastructure where deterministic read/write turnaround is required. A Zero Bus Turnaround (ZBT) SRAM is a synchronous static memory device that allows the data bus to switch direction between read and write operations without inserting idle (deselect) cycles, thereby utilizing 100% of the available bus bandwidth. ZBT sits within the broader family of synchronous SRAMs (sync SRAM) and is a subclass of network-optimized memories used in routers, switches, and base-station line cards where sustained throughput on packet buffers and look-up tables is critical. Key features of the GS8642Z36GB-250I include HSTL-compatible I/O, on-chip delay-line matching for clock and data edges, byte-write enable controls (BWa# through BWd#) for partial-word operations, an active-low chip enable (ZZ#) for low-power standby, and an industrial operating temperature grade (the suffix "I"). The 2Mx36 word width is well matched to 36-bit datapaths in ASICs, NPUs, and traffic-manager ICs, and the JTAG boundary-scan port supports board-level test. The device is fabricated in a CMOS process with a 6-transistor (6T) memory cell and uses a pipelined or flow-through internal architecture selected by mode pins, giving designers the ability to trade latency for operating frequency. The 119-FPBGA package is optimized for high-density SMT assembly and provides a low-inductance power/ground distribution that supports the 250 MHz clock rate without excessive SSO noise. Synchronous clocking, registered outputs, and ZBT hand-off together remove the one-cycle dead time that legacy async SRAMs impose on tightly-coupled CPU buses. Typical applications for the GS8642Z36GB-250I include network switch/router data-plane packet buffers, ATM/SONET/SDH line-card FIFOs, high-speed lookup-table memory for CAM co-processors, and ASIC/NPU scratch-pad buffers. Designers also deploy this part in high-end imaging and DSP engines where 36-bit pixel or coefficient words are common. The wide x36 organization is particularly useful when parallel arithmetic datapaths must be stored and retrieved without byte-stitching glue logic. When designing with this part, observe the 119-FPBGA land-pattern recommendations for solder paste and via-in-pad, provide a low-impedance 2.5 V/3.3 V plane with local 0.1 µF + 10 µF decoupling, and respect the derating curves on VDD vs cycle time. The "I" suffix confirms an industrial -40°C to +85°C operating range; choose the non-"I" variant only for commercial-temperature builds. JTAG should be enabled in production boundary-scan test fixtures but can be left NC for normal operation. This page synthesizes distributor pricing, same-brand drop-in alternatives, design notes, and a comparison matrix not consolidated in the GSI datasheet, helping sourcing engineers and hardware designers validate the GS8642Z36GB-250I for their ZBT SRAM socket.

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GT9110

GT9110 - 10-Point Capacitive Touch Controller IC | Goodix

The Goodix GT9110 is a new-generation single-chip 10-point capacitive touch controller IC designed for tablet PCs and medium-to-large capacitive touch panels. The device integrates up to 42 transmitter electrodes and 30 receiver electrodes, providing higher touch accuracy and resolution for displays typically ranging from 7 inches up to 10.4 inches (and beyond). It is housed in a compact QFN package suitable for space-constrained touch panel designs, and communicates with the host processor through a standard I2C interface. A capacitive touch controller is a semiconductor device that senses the change in capacitance caused by a finger or stylus contacting a projected-capacitive (PCAP) touch panel and translates those measurements into multi-point coordinates. The GT9110 sits within the broader hierarchy: capacitive touch controller -> touch sensing IC -> human-machine interface (HMI) controller -> mixed-signal semiconductor. Unlike resistive touch controllers, capacitive controllers such as the GT9110 support true multi-touch and gesture recognition without requiring mechanical pressure on the panel. Key features include support for up to 10 concurrent touch points with real-time accurate coordinate, motion trajectory, and touch area reporting. The GT9110 reports touch information selectively based on the host controller's requested number of points, optimizing I2C bus bandwidth. The device supports projected-capacitive G+G and G+F+F panel structures and is qualified for transmittance >=85% with appropriate cover-lens stacks. The internal signal processing provides adaptive frequency hopping to suppress noise from displays and chargers. Architecturally, the GT9110 combines an analog front-end with a programmable digital processor that runs Goodix's proprietary touch-detection algorithms. The device supports auto-calibration at power-on and continuous environmental compensation during operation, eliminating the need for host-side recalibration. The host interface is configurable I2C with selectable device address, enabling two chips on the same bus for larger panel designs. Typical applications include Android and Windows tablets, industrial human-machine interface (HMI) panels, 2-in-1 convertible notebooks, smart-home control panels, and automotive rear-seat entertainment displays. It is widely adopted in 7-10.4 inch G+G capacitive touch panels from major LCD module vendors. A representative reference design is the DWIN TPC104T0008G01V1 10.4-inch capacitive touch panel with transmittance >=85%. When designing with the GT9110, observe the I2C pull-up resistor values (2.2 kohm to 4.7 kohm depending on bus capacitance), keep the I2C traces short and shielded from noise sources, and follow Goodix's PCB layout guidelines for the sensor pattern routing. The reset and interrupt lines should be pulled correctly per the datasheet to avoid initialization failures. This page synthesizes distributor pricing, same-brand Goodix family variants, and practical design notes not found in the manufacturer datasheet.

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GTL2012DP

GTL2012DP - 2-Bit LVTTL to GTL Transceiver | NXP Semiconductors

The NXP Semiconductors GTL2012DP is a 2-bit bidirectional LVTTL-to-GTL translating transceiver designed for interfacing a 3.3 V system with a GTL-/GTL/GTL+ bus, supplied in an 8-pin VSSOP/TSSOP (SOT765-1, MO-187) plastic package. A direction pin (DIR) selects between GTL-to-LVTTL sampling receiver mode and LVTTL-to-GTL interface mode. A level translator (also called a logic-level shifter or voltage translator) is an interface IC that safely bridges digital circuits operating at different supply domains, sitting within the broader hierarchy of logic ICs and interface ICs in a system. In mixed-voltage designs - for example a 3.3 V microcontroller driving a GTL backplane or memory bus that swings near 1 V - the translator prevents overvoltage damage while preserving logic levels and signal edge rates. Key features of the GTL2012 include 2 bidirectional translating channels in a single 8-pin package, a DIR control pin for mode selection, and LVTTL inputs tolerant up to 5.5 V, allowing direct connection to TTL or 5 V CMOS sources without external protection. Support for the GTL-, GTL, and GTL+ bus standards gives designers flexibility across legacy backplane and processor bus architectures. Technically, the device operates from a 3.3 V supply and translates between the LVTTL domain and the open-drain GTL domain, whose reference level is set by the GTL bus termination. Because GTL is a low-swing, terminated bus technology, the output stage is optimized for low-voltage swings and fast transitions, suiting memory interfaces and processor front-side buses in industrial systems. Typical applications include 3.3 V MCU or DSP interfacing to GTL-based backplanes, translation between TTL/5 V CMOS logic and GTL signaling, industrial control modules with legacy GTL buses, and communication cards requiring 2-bit bus isolation. The 5.5 V tolerant inputs are especially useful when legacy TTL boards must connect to modern 3.3 V logic. Design consideration: verify DIR timing so the part does not switch direction while a bus transaction is in flight, since both GTL outputs are open-drain type and contention resolution depends on bus termination. This page adds value beyond the manufacturer datasheet by synthesizing distributor sourcing data, engineering design notes, FAQ answers, and application guidance in one place. Pricing below is an estimate pending verification as of 2026-10-19.

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GTL2012DP,118

GTL2012DP,118 - 2-Bit LVTTL-to-GTL Transceiver | NXP Semiconductors

The NXP Semiconductors GTL2012DP,118 is a 2-bit bidirectional LVTTL-to-GTL translating transceiver designed for 3.3 V system interfacing with a GTL-, GTL, or GTL+ bus, housed in an 8-pin TSSOP (SOT765-1 / VSSOP-8, MO-187) surface-mount package with an operating temperature range of -40 C to +85 C. A GTL (Gunning Transceiver Logic) translator is a mixed-signal level-shifting device that bridges a low-swing backplane bus such as GTL- (approximately 0.4 V to 1.2 V swing) with a standard logic rail such as 3.3 V LVTTL. Within the signal-chain hierarchy, the GTL2012 belongs to the logic IC family, specifically the voltage-level translator / bus transceiver category, sitting between a processor or memory controller and a GTL backplane. Key features of the GTL2012 include a direction (DIR) control pin that configures the device either as a GTL-to-LVTTL sampling receiver or as an LVTTL-to-GTL driver, LVTTL-side inputs tolerant up to 5.5 V for direct connection to TTL or 5 V CMOS logic, and a compact 2-channel width suited to narrow point-to-point links. According to the NXP datasheet, the supply range is 3 V to 3.6 V with a maximum supply current of 10 mA. Technically, the two channels translate open-drain GTL signals referenced to a GTL termination rail into full-swing LVTTL levels, and vice versa. The open-drain GTL outputs require pull-up resistors to the GTL reference supply, a typical arrangement in Gunning Transceiver Logic backplanes. Because the LVTTL inputs alone are 5.5 V tolerant, legacy 5 V TTL signals can be received without additional protection circuitry. Typical applications include processor-to-backplane bus interfacing in telecom and industrial systems, memory subsystem translation where a GTL bus meets a 3.3 V controller, and mixed-voltage board-level bridges in legacy equipment maintenance. Design consideration: always provide adequate GTL pull-up termination and verify that the DIR pin is driven to a valid logic level before bus traffic begins, since an undefined direction state can cause bus contention. This page adds value beyond the manufacturer datasheet by synthesizing distributor sourcing information, drop-in alternative analysis, FAQ coverage of replacement intent, and practical design notes for the GTL2012DP,118.

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GTL2014PW

GTL2014PW - 4-Bit LVTTL-to-GTL Level Translating Transceiver | NXP

The NXP Semiconductors GTL2014PW is a 4-bit bidirectional, non-latching level-translating transceiver designed to interface a 3.3 V LVTTL system with a GTL-/GTL/GTL+ bus, packaged in a 14-pin TSSOP (SOT402-1, 4.4 mm body width). A level translator (also called a voltage translator or logic-level shifter) is a mixed-signal interface IC that allows digital systems operating at different supply voltages to exchange data without damage or logic errors. Within the interface IC hierarchy, translating transceivers sit alongside bus buffers and line drivers, and GTL (Gunning Transceiver Logic) translation is a specialized sub-class used in processor front-side buses, memory controllers, and backplane interconnects where the bus reference voltage is significantly lower than the system logic supply. Key features of the GTL2014 include a direction (DIR) pin that selects between GTL-to-LVTTL sampling-receiver mode and LVTTL-to-GTL interface mode, LVTTL inputs that are 5.5 V tolerant for direct connection to TTL or 5 V CMOS outputs, and a VREF pin that tracks down to 0.5 V for low-voltage CPU interfaces. The part is pin-to-pin backward compatible with the GTL2005 (A and B port labels interchanged), simplifying migration of existing layouts. Technically, the GTL2014 uses open-drain GTL output structures referenced to VREF, with input/output capacitance from B-to-A specified in the range of approximately 3.4 to 4.3 pF, keeping bus loading low for backplane environments. Compared with the GTL2005, the GTL2014 offers improved VREF tracking linearity at low reference voltages (the GTL2005 linearity degrades below 0.8 V), at the cost of slightly longer propagation delays. Typical applications include processor-to-memory controller GTL bus interfacing, telecom and industrial backplane level translation, and mixed-voltage logic islands in 3.3 V systems that must talk to GTL-class buses. Design consideration: ensure the GTL bus is properly terminated to VREF through resistors, as GTL is an open-drain terminated bus standard; the LVTTL outputs are not 5.5 V tolerant even though the LVTTL inputs are. This page synthesizes distributor availability data, verified cross-reference alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.

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GTL2014PW,118

GTL2014PW,118 - 4-Bit LVTTL to GTL Transceiver | NXP | Level Shifter

The NXP Semiconductors GTL2014PW,118 is a 4-bit bidirectional, non-latching translating transceiver designed to interface a 3.3 V LVTTL system with a GTL-/GTL/GTL+ bus, housed in a 14-pin TSSOP (SOT-402-1) surface-mount package. A voltage level translator (also called a level shifter or bus transceiver) is an interface IC that allows logic devices operating at different supply domains to exchange signals safely. In the power-management and interface-IC hierarchy, level translators sit between the system logic family (LVTTL) and a lower-swing bus standard (GTL, Gunning Transceiver Logic), where the GTL bus reference voltage (VTT) and its associated input/output thresholds define the logic levels on the bus side. Key features include 4-bit bidirectional data paths, a direction (DDIR) control pin that lets the part function either as a GTL-to-LVTTL sampling receiver or as an LVTTL-to-GTL interface, and non-latching operation for transparent signal translation. According to NXP, the GTL2014 is optimized for workstation and server applications with data rates up to 200 MHz, making it one of the higher-speed LVTTL-to-GTL translators in its class. Architecturally, the device uses mixed-signal open-drain GTL cell circuitry: on the GTL side, outputs pull the bus down toward the GTL reference while resistive termination restores the high level, and on the LVTTL side, standard CMOS push-pull buffers drive 3.3 V logic. This asymmetric topology is characteristic of GTL translation and minimizes bus loading at high frequency. Typical applications include processor-to-memory bus interfacing in servers and workstations, backplane bridging between 3.3 V LVTTL controllers and GTL buses, and communication-equipment line cards requiring GTL signaling. Design consideration: the GTL bus requires external termination to VTT; ensure VTT supply and termination resistance are sized for the bus load, and keep GTL traces short and impedance-controlled for reliable 200 MHz operation. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-10-19.

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GTL2018PW

GTL2018PW - 8-Bit LVTTL to GTL Transceiver | NXP | TSSOP-24

The NXP Semiconductors GTL2018PW is an 8-bit bidirectional LVTTL-to-GTL/GTL-/GTL+ translating transceiver with 3.3 V LVTTL supply, 5.5 V tolerant LVTTL inputs, and a direction pin (DIR) for receiver or driver mode selection, housed in a 24-pin TSSOP (SOT355-1) package. A GTL (Gunning Transceiver Logic) translator is a type of mixed-signal voltage level translator in the broader family of bus transceivers and logic level shifters. GTL buses use an open-drain, low-swing signaling scheme referenced to a termination voltage, which historically allowed high-speed backplanes and memory interfaces to run with low electromagnetic emissions. Level translators like the GTL2018 form the bridge between a processor or ASIC-side LVTTL/CMOS logic domain and the low-voltage-swing GTL domain, sitting in the system hierarchy between simple logic gates and full bus repeater or register functions. Key features of the GTL2018 include its octal (8-channel) configuration for wide data buses, bidirectional operation controlled by the DIR pin so one device can serve as either a GTL-to-LVTTL sampling receiver or an LVTTL-to-GTL driver, and LVTTL-side input tolerance up to 5.5 V, which permits direct connection to TTL or 5 V CMOS signal sources without external protection. This 5 V tolerance is a practical advantage in mixed-legacy designs where older 5 V logic must interface with a GTL bus. Technically, the GTL side operates with an open-drain output structure pulled to the GTL reference level (typically VTT around 1.2 V to 1.5 V depending on the GTL, GTL-, or GTL+ variant used), while the LVTTL side runs from a 3.3 V supply per the specification data. The device operates across an industrial temperature range of -40C to +85C, making it suitable for telecommunication and computing infrastructure equipment. Typical applications include processor-to-backplane data buses in networking and telecom equipment, memory interface translation in legacy server and workstation designs, and mixed-voltage interface cards where 3.3 V or 5 V TTL logic must communicate over a GTL/GTL+ bus. Design considerations: always provide a low-impedance termination to VTT on the GTL side, since the open-drain outputs do not actively drive high; the pull-up termination sets the bus high level and termination current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-10-19.

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GTL2018PW,118

GTL2018PW,118 - 8-bit LVTTL to GTL Transceiver | NXP | TSSOP-24

The NXP Semiconductors GTL2018PW,118 is an 8-bit bidirectional voltage-translating transceiver designed to interface a 3.3 V LVTTL/TTL system bus with a GTL-, GTL, or GTL+ backplane bus, housed in a 24-pin TSSOP (SOT355-1, MO-153) surface-mount package. A GTL (Gunning Transceiver Logic) transceiver is a mixed-signal level translator that bridges low-swing, open-drain backplane signaling (approximately 1 V or lower swing, terminated to a GTL reference) with standard CMOS/LVTTL logic rails. Level translators sit in the interface-logic layer of the signal-chain hierarchy, between bus transceivers and voltage supervisors, and are essential wherever processor front-side buses, memory modules, or backplanes use GTL signaling while system logic runs at 3.3 V or 5 V. Key features include 8 bidirectional translation channels, a direction (DIR) pin that selects GTL-to-LVTTL sampling-receiver mode or LVTTL-to-GTL driving mode, and LVTTL-side inputs tolerant up to 5.5 V, allowing direct connection to TTL or 5 V CMOS sources without external protection. Supply operation is centered on a 3.3 V LVTTL rail, and the operating temperature range spans -40 C to +85 C, qualifying the device for industrial-grade environments. Technically, the GTL2018 uses an open-drain GTL output stage referenced to a GTL termination voltage, so the GTL bus requires external pull-up resistors to the GTL reference level. The sampling-receiver architecture captures GTL bus state and re-drives it as clean LVTTL, while the DIR pin flips the entire port in one control line - simplifying bus arbitration and turnaround timing on multipoint buses. Typical applications include server and telecom backplane interfaces, memory-module (GTL DIMM) translation, processor-to-peripheral bus bridging, and industrial control systems where legacy 5 V TTL logic must communicate with GTL-based CPU buses. Design consideration: budget for the GTL bus pull-up resistors and their current draw, and verify that 3.3 V LVTTL timing margins still hold with the translator propagation delay inserted into the bus path. This page adds value beyond the manufacturer datasheet by consolidating drop-in alternatives, engineering design notes, and a comparison table in one place.

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GTL2018PW-Q900118

GTL2018PW-Q900118 - 8-Bit LVTTL to GTL Transceiver | NXP

The NXP GTL2018PW-Q900118 is an 8-bit bidirectional LVTTL-to-GTL translating transceiver with a 3.3 V LVTTL supply, GTL/GTL-/GTL+ bus interface, and 24-pin TSSOP (SOT355-1) package, qualified over an operating temperature range of -40 C to +85 C. A translating transceiver is a mixed-signal level-shifter IC that moves digital signals between two logic families operating at different voltage levels. Within the signal-chain hierarchy, the GTL2018 belongs to the voltage translator family, under logic ICs, and mixed-signal interface semiconductors. GTL (Gunning Transceiver Logic) is a low-swing backplane bus standard historically used in computer motherboards and peripheral interconnects, where the LVTTL-side controller cannot directly drive the low-swing GTL bus. Key features include an octal (8-channel) bidirectional architecture controlled by a single DIR (direction) pin, allowing the part to operate either as a GTL-to-LVTTL sampling receiver or as an LVTTL-to-GTL driver. The LVTTL-side inputs are 5.5 V tolerant, permitting direct connection to TTL or 5 V CMOS logic without external clamping. The Q900 suffix denotes an automotive-grade qualification variant with extended quality screening. Technically, the device implements open-drain GTL outputs with a reference voltage (GTL ref) defining the bus switching threshold, translating between the 3.3 V LVTTL domain and the low-swing GTL domain. Because translation is bidirectional per the DIR control, one 24-pin package replaces multiple discrete transistor level-shift stages, reducing BOM count and board area on bus-heavy designs. Typical applications include legacy computer and server backplane GTL buses, telecommunications line cards, industrial control interfaces bridging 3.3 V or 5 V TTL controllers to GTL peripherals, and automotive ECU bus interfaces for the Q900-qualified variant. Design consideration: the GTL bus requires proper reference-voltage generation and termination resistors on the GTL side; verify the termination network against the bus loading before layout. This page synthesizes distributor availability data, the manufacturer product page, and drop-in alternative analysis not consolidated in the standard datasheet.

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GTL2034PW

GTL2034PW - 4-Bit GTL to GTL Bus Buffer | NXP | TSSOP-24

The NXP Semiconductors GTL2034PW is a 4-bit GTL/GTL+/GTL bus buffer with open-drain GTL outputs, a 3.3 V LVTTL-side supply, and a 24-pin TSSOP (SOT355-1, MO-153) package rated from -40C to +85C. A GTL (Gunning Transceiver Logic) buffer is a specialized level-shifting and line-driving device in the logic IC family that interfaces a low-voltage LVTTL system side with a GTL/GTL+ backplane or memory bus. GTL buses use open-drain outputs with pull-up resistors to a terminated reference voltage (VTT), making buffer selection critical for signal integrity in multi-drop, backplane, and memory-interconnect topologies. Key features include true 4-bit GTL-to-GTL buffering, GTL inputs and outputs that operate up to 3.6 V for use in higher-voltage open-drain output applications, and a DIR direction pin that configures the device either as a GTL-to-LVTTL sampling receiver or as an LVTTL-to-GTL driver. The LVTTL side operates from a single 3.3 V supply, simplifying integration with standard logic rails. Architecturally, the GTL2034 combines sampling receiver circuitry on the LVTTL side with open-drain GTL drivers on the bus side. The open-drain outputs require external pull-up resistors to VTT, and the 3.6 V GTL I/O tolerance gives designers margin when the pull-up rail sits above the nominal 3.3 V level. Because only four bits are buffered per device, multiple GTL2034 devices can be deployed incrementally where a wide 20-bit buffer such as the GTL2000 family member would be oversized. Typical applications include memory-bus buffering in telecom and datacom line cards, GTL+ backplane interfaces in industrial control systems, and level translation between 3.3 V LVTTL processors and legacy GTL-based peripherals. For reliable operation, size the VTT pull-up resistors to achieve the specified GTL output low level at the expected bus load, and tie the DIR pin to a defined level rather than leaving it floating. Decouple the 3.3 V supply with 0.1 uF ceramics placed close to the package pins. This page synthesizes distributor listings, the official NXP datasheet link, and drop-in replacement guidance (including the NXP-recommended GTL2034PWZ) not consolidated in the manufacturer datasheet alone.

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GTL2034PW,112

GTL2034PW,112 - 4-Bit GTL to GTL Buffer TSSOP-14 | NXP

The NXP Semiconductors GTL2034PW,112 is a 4-bit GTL to GTL non-inverting bus buffer with open-drain outputs, operating from a 3.3 V supply with I/O tolerance up to 3.6 V, housed in a 14-pin TSSOP (SOT402) surface-mount package. It buffers four GTL, GTL+ or GTL/ANSI bus signals at high speed while providing electrical isolation between heavily loaded backplane segments and the local driver circuitry. A GTL (Gunning Transceiver Logic) buffer is a specialized member of the voltage translator and line driver family within the logic IC hierarchy. GTL uses a low-swing, open-drain, backplane-oriented signaling scheme in which a termination to a reference voltage defines the logic levels; buffers such as the GTL2034 regenerate the weak, heavily capacitive signals found on long bus runs without adding logic function, restoring signal integrity between a processor board and a backplane or between isolated bus segments. Key features of the GTL2034 include its 4-bit (4 element, 1 bit per element) non-inverting buffer configuration, true open-drain outputs that support wired-OR and live-insertion style GTL topologies, and I/O structures that operate up to 3.6 V so the device can be used in higher-voltage open-drain output applications. The buffer architecture minimizes propagation delay, preserving setup and hold margins in high-speed bus systems. Technically, the GTL2034 sits between the input GTL node and the output GTL node as a re-driver: the input stage senses the low-swing GTL logic level relative to the GTL reference, and the output stage sinks current through the external pull-up termination to regenerate a clean edge. Because the outputs are open-drain, the output high level is set entirely by the external termination rail, which is characteristic of GTL, GTL+ and BTL-family signaling. The 3.3 V supply powers only the internal sensing and drive circuitry, keeping static power low while supporting fast edge rates. Typical applications include processor-to-backplane GTL bus buffering in telecommunications and networking equipment, memory subsystem interconnect in industrial controllers, and any distributed GTL/GTL+ bus where fan-out, bus capacitance or segment length would otherwise violate timing or signal-integrity budgets. Per NXP product information, the device supports data rates up to 250 MHz in these bus-buffering roles. Design consideration: because the outputs are open-drain, correct termination resistor selection to the GTL termination rail is critical - the termination value sets both the output high level and the pull-up rise time, and must be chosen against bus capacitance and required edge rate. This page synthesizes distributor listings, the official NXP datasheet link, drop-in replacement guidance (NXP designates the GTL2034PWZ as the drop-in replacement for discontinued packing variants), and practical design notes not consolidated in the datasheet alone.

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GTL2034PW,118

GTL2034PW,118 - 4-Bit GTL Bus Buffer Open-Drain | NXP

The NXP Semiconductors GTL2034PW,118 is a 4-bit GTL-/GTL/GTL+ bus buffer with non-inverting open-drain outputs, housed in a 14-pin TSSOP (PW) surface-mount package rated for -40C to +85C operation. A GTL (Gunning Transceiver Logic) buffer is a specialized line driver used in voltage-level translation and bus-repeater applications. Within the power-management and logic hierarchy, it sits between generic logic ICs and dedicated voltage level translators: it isolates and re-drives heavily loaded backplanes by regenerating signal edges while the open-drain architecture lets the termination voltage define the logic swing. GTL and GTL+ are open-drain, terminated-low bus standards historically used for processor-to-memory backplanes in telecom, industrial, and networking equipment. Key features of the GTL2034 include 4 bits of non-inverting buffering (one bit per element), open-drain GTL outputs compatible with GTL, GTL-, and GTL+ signaling, and GTL inputs and outputs that operate up to 3.6 V, allowing the device to be used in higher-voltage open-drain output applications. The buffered architecture minimizes propagation delay degradation across long, heavily capacitive backplane runs compared with passive repeaters. Architecturally, the GTL2034 regenerates each input edge before driving the open-drain pull-down, which isolates bus capacitance from the source and preserves signal integrity on long terminated lines. Because outputs are open-drain, the pull-up voltage is independent of the supply, giving designers flexibility in mixed-voltage systems up to 3.6 V on the GTL side. Typical applications include telecom line cards, industrial backplane bus repeaters, processor-memory interface level shifting, and legacy server infrastructure maintenance. The 4-bit width suits address and control lines where a full 14-bit translator is oversized. Design consideration: open-drain outputs require external pull-up resistors sized against the bus termination network, and supply decoupling of 0.1 uF per device is recommended. Verify output sink current against the total bus load. Important lifecycle note: NXP has discontinued the GTL2034PW,118 (discontinuation notice dated 2021-11-03), and the manufacturer designates GTL2034PWZ as its drop-in replacement. This page synthesizes distributor pricing, lifecycle status, and replacement guidance not found in a single manufacturer datasheet.

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GX36220

GX36220 - 2x64Gb/s Dual Linear TIA for 400G Coherent ROSA | Renesas

The Renesas GX36220 is a dual-channel linear Trans-Impedance Amplifier (TIA) designed for 400G coherent Receiver Optical Sub-Assemblies (ROSAs), delivering 2x64Gb/s aggregate bandwidth across two integrated TIA signal paths for I and Q channels. Housed as a bare die (DIE SALE), each channel supports 32Gb/s symbol rate operation to enable DP-16QAM and higher-order modulation formats used in next-generation coherent optical transceivers. An LDO (Low-Dropout) linear regulator is a class of voltage regulator that maintains a stable output voltage even when the supply rail is only marginally above the desired output. In this product family of high-speed analog amplifiers, linearity and low input-referred noise are paramount: the TIA converts small photodiode currents into usable voltage swings while preserving the modulation fidelity required for soft-decision FEC at 400G and beyond. The GX36220 sits within the linear amplifier hierarchy, which bridges photodetectors and the host CDR/DSP in the optical receive chain. Key differentiating specifications include a per-channel bandwidth of approximately 28 GHz to support 32Gbaud Nyquist operation, very low input-referred noise current on the order of sub-pA/sqrt(Hz), and a differential trans-impedance in the multi-kΩ range typical for coherent I-channel amplifiers. The device integrates two matched TIA cores on a single die, removing the need for a second IC in dual-polarization receivers. The die form factor is required for sub-pF parasitic bonding directly to the photodiodes and to the limiting-stage or CDR ASIC, minimizing stub lengths. Architecture-wise, the GX36220 is built on a high-fT SiGe BiCMOS process that delivers the fT/ft necessary for 32Gbaud I/Q paths. Auto-zero feedback and on-die bias networks hold the operating points stable across temperature. The dual-channel layout is symmetrical so that I and Q skew is minimized, which is critical for coherent demodulation where timing mismatch translates directly into phase-error penalties. Typical applications include 400G CFP2-DCO and QSFP-DD coherent transceivers, line-card ROSAs for DWDM transport platforms, and OEM 600G/800G next-generation coherent reference designs. The bare-die format means the part is wire-bonded inside a hermetic ROSA package alongside InP photodiodes or integrated coherent receivers. When designing with this device, follow Renesas evaluation board layout guidelines to keep bond-wire inductance below 0.5 nH per tap. Use matched differential routing on host side and provide a quiet low-noise analog supply. Thermal management is handled at the ROSA package level since the GX36220 ships as a bare die. This page synthesizes distributor pricing snapshots, cross-reference data, and engineering design notes that go beyond the manufacturer datasheet to assist BOM and qualification engineers.

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GX36220-F-DNT

GX36220-F-DNT - 2x64Gbps Linear TIA | Renesas Electronics

The Renesas Electronics GX36220-F-DNT is a dual-channel (2x) 64 Gbps linear transimpedance amplifier (TIA) supplied in bare-die form (DNT package code) for fiber-optic communication systems. It belongs to Renesas' telecom IC amplifier portfolio targeting next-generation optical interconnects. A transimpedance amplifier (TIA) is an analog amplifier that converts a current input, typically from a photodiode, into a voltage output with gain expressed in ohms (V/A). In the optical-module hierarchy, the TIA sits directly behind the photodetector (PD) in the receive path, feeding a limiting amplifier or linear equalizer, then a clock-and-data-recovery (CDR) unit - forming the optical receiver signal chain of a power management and signal-conditioning sub-system. Linear TIAs such as this device preserve waveform amplitude information, which is required for PAM4 reception and DSP-based equalization in high-speed links. The GX36220 integrates two independent TIA channels on one die, enabling compact dual-lane optical subassemblies such as OSFP, QSFP-DD, and CDFP-based 100-400 Gbps module implementations. The linear output architecture supports both NRZ and multi-level PAM4 signaling, allowing the downstream DSP or CDR to perform the slicing decision. Being supplied as a bare die (Telecom IC Amplifier Die per DigiKey classification), the device is intended for direct die-attach into optoelectronic packages, typically co-packaged with photodiodes in TO-can or butterfly subassemblies by module manufacturers. It is not a board-level packaged component; die-level handling, bond-pad design, and assembly require appropriate cleanroom and wire-bond capability. Typical applications include 400G/800G data-center optical transceiver receive paths, telecom coherent receiver front ends, active optical cables, and test instrumentation optical front ends where dual-channel density and 64 Gbps-per-lane linearity are required. Design consideration: because this is a die product, electrical performance is strongly dependent on bond-wire inductance, photodiode capacitance, and bias network layout; consult the Renesas datasheet for reference bond-out configurations before finalizing the subassembly. This page synthesizes distributor pricing, lifecycle, and sourcing data for the GX36220-F-DNT that is otherwise fragmented across multiple distributor listings.

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GX36420

GX36420 - 64 Gbps Quad Linear TIA for 400G/600G Coherent | Renesas

The Renesas GX36420 is a 64 Gbps linear quad transimpedance amplifier (TIA) chip integrating four independent TIA lanes (XI, XQ, YI, YQ) plus on-die DC-control digital interface circuitry on a single die. It is targeted at 400G and 600G coherent optical receivers in DWDM line-card applications. The bare-die form factor is supplied as tested wafer (DNT) for hybrid integration with photodiode arrays or coherent mixer subassemblies. A transimpedance amplifier (TIA) is the analog front-end stage that converts the small photocurrent from a photodiode into a usable differential voltage swing. Quad linear TIAs sit at the input of coherent DSP-based optical modules (typically CFP2-DCO, CFP2-ACO, OSFP, QSFP-DD) where four parallel optical channels (two polarizations x in-phase/quadrature) feed the analog-to-digital converter. The GX36420 belongs to the linear-TIA family because it preserves amplitude information for the downstream high-speed ADC, as opposed to a limiting TIA which would clip the signal. Key features of the GX36420 include 64 Gbps per-lane linear bandwidth, four-channel differential outputs, integrated DC bias and gain-control interface, and a single-die footprint that minimizes channel-to-channel skew in coherent optical assemblies. Renesas (formerly IDT) has shipped the device in volume to optical-module OEMs building 400ZR / 400ZR+ / OpenZR+ transceivers. The GX36420 is fabricated in a high-speed SiGe BiCMOS process chosen for low input-referred noise current, broadband transimpedance flatness, and low power per lane. On-die DC control circuitry lets the host DSP or microcontroller program TIA gain, peaking, and bandwidth over a serial interface, simplifying module calibration during production test. Typical applications for the GX36420 include 400G/600G coherent optical transceivers (CFP2-DCO, OSFP, QSFP-DD), DWDM line-card receivers, pluggable coherent modules for long-haul and metro DCI links, and laboratory test equipment for coherent optical signal analysis. The quad topology is preferred for dual-polarization I/Q receivers where matched channel response is critical. Design consideration: The GX36420 is a bare die (DNT suffix = die, no test package). PCB integration must use a hybrid substrate or chip-on-board process with controlled-impedance differential traces to the downstream ADC. RF grounding, supply decoupling, and thermal management are the primary design risks for the bare-die form factor. This page synthesizes distributor stock levels, package notes, and design considerations that go beyond the short-form datasheet, helping optical-module hardware engineers evaluate the GX36420 for next-generation coherent transceiver designs.

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GX39220

GX39220 - 2x96Gbaud Linear TIA for Coherent Optics | Renesas

The Renesas GX39220 (GX39220-DNT) is a dual-channel linear transimpedance amplifier (TIA) designed for 96 Gbaud coherent optical receivers used in 400G/800G/1.6T datacenter and DWDM line-side optical modules. Each of the two channels integrates a high-bandwidth TIA signal path for the I and Q components of a coherent optical front-end, supporting symbol rates up to 96 Gbaud per channel with low noise and low power consumption to enable small-form-factor integrated optical modules such as CFP2 and CFP4. The device is fabricated in a high-performance silicon process optimized for high-speed analog signal conditioning, with internal 50 ohm interfaces to simplify PCB routing and bond-wire transitions. A Linear TIA is a high-speed amplifier that converts the small differential photocurrent produced by a coherent photodetector (typically a 90-degree optical hybrid followed by balanced photodiodes) into a differential voltage with sufficient bandwidth and linearity for downstream high-speed ADC sampling. In coherent optical transceivers, the TIA sits at the analog front-end between the optical detector and the DSP/ADC, and its bandwidth, noise, and linearity directly limit the achievable OSNR and the symbol rate of the recovered constellation. The GX39220 is therefore a member of the optical front-end IC family within Renesas' coherent optics portfolio. Key features include two independent linear TIA channels with bandwidth sufficient for 96 Gbaud PAM/QAM symbol rates, integrated automatic gain control to extend dynamic range across strong and weak optical signals, low noise performance suitable for high-order QAM constellations, and a low-power architecture tailored to dense pluggable modules. The differential output is designed to drive high-speed ADCs directly over short controlled-impedance traces. Typical applications include 400G/800G/1.6T coherent pluggable transceivers (CFP2, CFP4, QSFP-DD/OSFP variants with coherent DSPs), DWDM line-side coherent optics in metro and long-haul transport, and high-speed coherent LiDAR front-end prototypes. Pair the GX39220 with a coherent DSP such as Renesas' R-series CR series and a high-speed ADC for a complete coherent receiver analog front-end. When designing with the part, follow high-speed PCB practices - controlled-impedance differential routing, low-loop-area decoupling, and short bond-wire transitions from the photodiode to the TIA input - to preserve the bandwidth and noise floor quoted in the Renesas datasheet.

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GX39221-DNT

GX39221-DNT - 96Gbaud 2-Ch Linear TIA | Renesas | 800G Coherent

The Renesas Electronics GX39221-DNT is a dual-channel 96Gbaud linear transimpedance amplifier (TIA) engineered for 800G and beyond integrated coherent receivers (ICRs), integrating two TIA signal paths for the I and Q channels in a compact package (DNT suffix). This telecom IC enables small form factor (SFF) integrated optical modules such as CFP2 and CFP4. A transimpedance amplifier is an amplifier that converts input current from a photodiode into an output voltage, characterized by gain expressed in ohms. Within the signal chain hierarchy, the TIA sits directly after the photodiode in an optical receiver, feeding subsequent linear equalizers, drivers, and analog-to-digital converters (ADCs) in the power management and telecom IC ecosystem. In coherent optical communications, linear TIAs preserve waveform linearity so that digital signal processors (DSPs) can apply chromatic dispersion compensation and advanced modulation decoding. Key features of the GX39221 include its 96Gbaud per-channel bandwidth class, dual-channel integration for I and Q polarization-multiplexed coherent detection, linear (non-limiting) transfer characteristics essential for coherent DSP-based receivers, and a low-power, compact design suited to SFF modules. Integration of two signal paths reduces part count and simplifies alignment in CFP2 and CFP4 module designs. Technically, the GX39221 targets integrated coherent receiver architectures where photodiode photocurrent from coherent detection is amplified with high linearity at extreme symbol rates. Linear TIAs at 96Gbaud require high transimpedance gain, low noise, wide bandwidth, and output swing matched to downstream linear equalizers. The GX39221-DNT variant suffix denotes a specific package/packing configuration per Renesas ordering codes. Typical applications include 800G and beyond coherent transceivers, integrated coherent receivers (ICRs), CFP2-DCO and CFP4 optical modules, and data center interconnect (DCI) links. The dual-channel structure directly matches the I/Q detection scheme of polarization-multiplexed coherent receivers. Design consideration: linear TIAs for coherent receivers demand careful RF layout, matched differential routing, and impedance control between the photodiode, TIA, and downstream linear equalizer; consult the manufacturer datasheet for the exact differential output interface and supply requirements. This page synthesizes distributor pricing from LCSC, DigiKey, and Mouser, datasheet availability, and application context not found on any single distributor page.

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GX76476

GX76476 - 4x64GBd Linear Differential I/O Driver | Renesas

The Renesas GX76476 is a low-power, high-performance quad-channel linear driver chip designed for 400G/600G optical integrated transmitter small-form-factor (SFF) modules used in metro and long-haul networks. The device operates at 64 GBaud per lane with a 100 ohm differential AC-coupled input and a 60 ohm differential output termination, integrating four driver lanes together with SPI control circuitry on a single die. Each lane delivers the bandwidth, linearity, and adjustable swing required to directly modulate EML, MZM, and silicon-photonics-based optical engines in next-generation coherent and PAM4 transceivers. A linear differential driver (LDD) is a specialized analog amplifier that conditions high-speed electrical data before it reaches an optical modulator, where it converts voltage swings into optical intensity modulation. Linear drivers sit in the signal chain between the DSP/SerDes and the optical subassembly; in the broader IC taxonomy they belong to the high-speed amplifier family, which is itself a branch of amplifier ICs and interface ICs. The GX76476's architecture is tailored for the demanding linearity, gain, and power budget of 400G/600G pluggable modules rather than for general-purpose amplification. Key features include four independent 64 GBaud driver channels, integrated per-channel bias-T and amplitude control via SPI, single-die integration that minimizes channel-to-channel skew, and a low-power architecture compatible with QSFP-DD and OSFP thermal envelopes. Each lane supports AC-coupled differential signaling, and the integrated SPI allows per-lane DC settings such as swing, de-emphasis, and bias without external DACs. The architecture uses matched differential pairs with on-chip 60 ohm terminations and adjustable gain stages. The single-die integration keeps channel-to-channel skew below the values achieved with four discrete drivers, which is critical for coherent optical modules that depend on tightly-matched analog paths across all four lanes. Typical applications include 400G/600G coherent QSFP-DD and OSFP transceivers, metro and long-haul DWDM line-side pluggable modules, integrated transmitter sub-assemblies combining driver + MZM/EML, and OIF-compliant CFP2-DCO analog front ends. The 64 GBaud per-lane capability also supports emerging 1.6T architectures built from 4x100G or 8x100G channel groupings. When designing with the GX76476, plan input AC-coupling, output bias-T networks, and a clean SPI isolator. The driver dissipates significant power at full per-lane swing; thermal management of the QSFP-DD housing must be considered from the start of the PCB layout. This page synthesizes Renesas product information, distributor pricing, and application context to support engineers evaluating the GX76476 for 400G/600G optical transmitter designs.

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GX79472

GX79472 - Quad 96Gbaud Linear Driver for 800G Optical | Renesas

The Renesas GX79472 is a low-power, high-performance, quad-channel linear driver IC designed for 800G and beyond optical integrated transmitter small-form factor (SFF) modules serving metro and long-haul networks. It delivers four lanes of 96 Gbaud linear amplification with differential AC-coupled inputs and integrates SPI-controlled DC bias circuitry on a single die, enabling compact, high-density optical transmitter assemblies. A linear driver (also called a linear amplifier or linear modulator driver) is a key analog building block inside the transmit path of an optical module. It sits between the high-speed DSP or SerDes and the electro-absorption modulated laser (EML) or Mach-Zehnder modulator (MZM). Its job is to deliver a precisely-scaled differential voltage swing that the optical modulator converts into the optical amplitude and phase transitions encoding 800 Gbit/s PAM-4 or higher symbol rates, while contributing minimal distortion and noise. Key features of the GX79472 include four independent linear driver channels each capable of 96 Gbaud operation, per-channel 100 ohm differential AC-coupled inputs for direct DC-isolation from preceding SerDes outputs, an integrated SPI interface for per-channel gain and DC bias control, and a single-die integration that reduces PCB area and BOM count. The device targets 800G optical transmitter SFF modules for both metro and long-haul transport, where deterministic linearity and low additive jitter are essential at the highest symbol rates. At the architecture level, the GX79472 uses a wideband analog design suitable for the high data rates demanded by next-generation coherent and direct-detect optical links. The single-die integration of RF amplifier and SPI control simplifies module-level PCB layout, reduces parasitic loop inductance, and supports the channel-density targets of QSFP-DD and OSFP form factors. Typical applications include 800G coherent transmitter modules, metro and long-haul DWDM line-side optics, next-generation DCO pluggable modules, and high-speed test instrumentation driver references. The GX79472 also pairs naturally with Renesas coherent DSPs and high-speed TIAs. A key design consideration is that the GX79472 requires precision DC blocking at the input and matched 50 ohm single-ended or 100 ohm differential transmission lines on the output to the modulator to preserve the 96 Gbaud eye margin. Designers should follow the reference layout in the datasheet to control channel-to-channel crosstalk. This page synthesizes manufacturer datasheet details, authoritative distributor pricing, and drop-in footprint alternatives not always shown on stock pages.

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H5AN4G6NBJR-PBC

H5AN4G6NBJR-PBC - 4Gb DDR4 SDRAM 256Mx16 FBGA-96 | SK hynix

The SK hynix H5AN4G6NBJR-PBC is a 4Gb DDR4 SDRAM organized as 268,435,456 words x 16 bits (256M x 16), operating from a 1.2V VDD supply in a 96-ball TFBGA (FBGA-96) package. DDR4 SDRAM (Double Data Rate IV Synchronous Dynamic Random Access Memory) is the fourth generation of the DDR memory family. It transfers data on both rising and falling edges of the clock, and introduces bank groups, a lower 1.2V operating voltage, and dynamic on-chip termination compared to DDR3, delivering higher bandwidth per watt. Within the memory hierarchy, this component is the main-system-memory class of DRAM: DRAM -> DDR4 SDRAM -> volatile memory IC -> semiconductor memory. Key features of the H5AN4G6NBJR family, per the SK hynix datasheet, include fully synchronous operation referenced to both clock edges, internal bank groups for improved parallelism, dynamic on-chip termination (ODT), ZQ calibration, write leveling, CRC and CA parity related features, data mask function, asynchronous reset, and auto self-refresh. The x16 organization simplifies interfacing on 16-bit-wide memory buses common in embedded and industrial designs. Architecturally the device is a 4Gb CMOS DDR4 SDRAM that supports burst, interleaved transactions from a double-data-rate command interface, with programmable CAS latency and burst length per the JEDEC DDR4 specification set referenced in the family datasheet. The FBGA-96 surface-mount package supports automated assembly and high routing density. Typical applications include main memory in embedded systems, industrial controllers, networking equipment, computing modules, and data logging or firmware execution systems requiring large memory density and high bandwidth. Design consideration: DDR4 signal integrity demands length-matched traces, VTT termination, and careful ZQ resistor placement; verify the controller supports the programmed speed grade and CL before layout freeze. This page synthesizes distributor availability, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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H5AN4G6NBJR-VKC

H5AN4G6NBJR-VKC - 4Gb DDR4 SDRAM 2666Mbps x16 | SK Hynix

The SK Hynix H5AN4G6NBJR-VKC is a 4Gb CMOS DDR4 SDRAM organized as 256M x 16, operating at data rates up to 2666 Mbps (1600 MHz clock), supplied at 1.2V nominal (1.14V to 1.26V range) in a 96-ball FBGA (TFBGA/PBGA96, 13 mm x 10 mm, 0.8 mm ball pitch) package. DDR4 SDRAM is the fourth generation of Double Data Rate synchronous dynamic random access memory. As a class of volatile DRAM, DDR4 transfers data on both rising and falling edges of the clock, doubling effective bandwidth versus SDR technology, and occupies a hierarchy from a single memory chip, through DRAM in general, to system main-memory and power-management subsystems. DDR4 lowers operating voltage from the 1.5V of DDR3 to 1.2V, cutting dynamic power while raising density and speed. Key features of the H5AN4G6NBJR-VKC include fully synchronous operation referenced to both clock edges, automatic and self refresh supporting the -40C to +95C operating range, a data mask function, an asynchronous reset input, dynamic on-chip termination (ODT), ZQ calibration, write leveling, and CRC function for link integrity. Architecturally the device is a multi-bank CMOS DRAM using bank-group structure typical of DDR4, enabling fast interleaved accesses. The 16-bit I/O organization suits designs favoring fewer chips per rank and wider buses. The VKC speed grade maps to 2666 Mbps operation with typical supply current of 38 mA, balancing bandwidth and power for embedded platforms. Typical applications include industrial controllers and embedded boards, set-top boxes and networking equipment, and cost-sensitive consumer electronics requiring 4Gb main memory in a compact footprint. Design consideration: DDR4 routing demands length-matched fly-by command/address topology, careful ODT and ZQ resistor placement, and VTT termination supply design; signal integrity at 2666 Mbps is the dominant constraint. This page synthesizes verified distributor pricing, stock data, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet alone.

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H5AN4G8NBJR-RDC

H5AN4G8NBJR-RDC - 4Gb DDR4 SDRAM x8 | SK hynix | Main Memory

The SK hynix H5AN4G8NBJR-RDC is a 4Gb (512M x 8) CMOS Double Data Rate IV (DDR4) Synchronous DRAM in a 78-ball FBGA package, delivering the high density and bandwidth required for main memory subsystems. The -RDC suffix identifies the operating temperature and speed-grade bin within the H5AN4G4/8/6NBJR family. A DDR4 SDRAM is a synchronous dynamic random-access memory that transfers data on both edges of the clock (double data rate) and communicates over a point-to-point or multi-drop command/address bus with the memory controller. Within the memory hierarchy, it sits as main system memory between CPU caches and mass storage, and is a member of the broader DRAM > synchronous DRAM > DDR SDRAM family tree, succeeding DDR3 with lower operating voltage, higher data rates, and bank-group architecture. Key features include a 4Gb density organized as 512M words x 8 bits, an internal 8-bank and bank-group (x4/x8: 4 bank groups) architecture that increases effective data rate utilization, and DDR4-class low supply voltage for reduced system power. The device supports the standard DDR4 SDRAM command set including bank-group activation management, making it suitable for memory controllers with DDR4 scheduling. Technical depth: the device uses a CMOS DRAM core with prefetch architecture per the JEDEC DDR4 specification, refreshed internally at standard intervals with self-refresh support for low-power standby. SSTL-12-style signaling on a separate VDD/VDDQ supply domain enables clean signal integrity at DDR4 data rates on the CA and DQ buses, controlled through on-die termination (ODT) and CA parity as defined by the DDR4 standard. Typical applications include desktop and notebook main memory DIMMs and solder-down memory, consumer electronics such as set-top boxes and smart TVs, industrial controllers requiring large memory density, and networking/communication equipment needing high bandwidth per DRAM. Design consideration: DDR4 signal integrity depends heavily on fly-by command/address routing, on-die termination settings, and ZQ calibration resistors; follow the memory controller layout guidelines and verify timing closure at the target data rate. This page synthesizes datasheet references, drop-in alternatives, pricing tiers, and practical design notes not found in a single manufacturer datasheet.

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H5AN4G8NBJR-UHC

H5AN4G8NBJR-UHC - 4Gb DDR4 SDRAM 2400, 1.2V | SK Hynix

The SK Hynix H5AN4G8NBJR-UHC is a 4Gb (512M x 8) DDR4 SDRAM operating at 2400 Mbps data rate (PC2400) with a 1.2V supply, packaged in a 78-ball TFBGA (11 x 7.5 mm) lead-free, RoHS-compliant package. It is a consumer-class DDR4 DRAM component for main-memory applications requiring large density and high bandwidth. DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random Access Memory) is the fourth generation of the DDR DRAM family defined by the JEDEC DDR4 standard. It sits within the memory IC hierarchy: DRAM -> synchronous DRAM (SDRAM) -> DDR SDRAM -> DDR4 SDRAM. Compared with DDR3, DDR4 lowers operating voltage from 1.5V/1.35V to 1.2V, doubles bank groups to improve effective bandwidth, and raises data rates up to 3200 Mbps, making it the dominant main-memory technology for embedded and consumer computing platforms. Key features of the H5AN4G8NBJR-UHC include a 4Gb density organized as 512M x 8, DDR4-2400 speed grade operation, 1.2V core supply, and a compact 78-ball FBGA footprint that is pinout-standardized across the DRAM industry, simplifying second-sourcing. The device supports standard DDR4 features such as bank-group architecture, on-die termination, and DLL-based timing per the JEDEC DDR4 specification. Architecturally, the die uses SK Hynix CMOS DRAM process technology with an 8n-class bank structure delivering the 4Gb capacity in the x8 organization. The 78-ball TFBGA package minimizes signal-path length for improved signal integrity at 2400 Mbps, and the ball map follows the JEDEC-standard DDR4 x8 component footprint, which enables drop-in assembly on any DDR4 x8 DIMM or onboard-memory land pattern. Typical applications include consumer desktop and notebook main memory, set-top boxes, smart TVs, networking equipment, industrial control memory, and embedded x86/ARM platforms where 4Gb x8 DDR4 components are populated on-module or on-board. The device is well suited for memory modules and soldered-down memory subsystems alike. When designing this part into a DDR4 subsystem, ensure controller training covers write-leveling, VrefDQ calibration, and read training, and follow the recommended termination and routing rules (length-matched fly-by command/address routing, on-die termination enabled). Verify the exact -UHC speed-grade binning parameters in the manufacturer datasheet before timing closure. This page synthesizes distributor pricing from LCSC/JLCPCB, drop-in DDR4 alternatives across SK Hynix, Micron, and Samsung, and practical DDR4 design notes not found in a single datasheet, giving engineers a complete second-source and design-in reference.

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H5AN4G8NBJR-UHCR

H5AN4G8NBJR-UHCR - 4Gb DDR4 SDRAM 2400 | SK hynix

The SK hynix H5AN4G8NBJR-UHCR is a 4Gb (512M x 8) CMOS DDR4 SDRAM operating at DDR4-2400 with a 1.2V core supply, housed in a 78-ball FBGA package measuring 11 mm x 7.5 mm. The -R suffix denotes tape-and-reel delivery of the same die as the commercial-temperature H5AN4G8NBJR-UHC. A DDR4 SDRAM (Double Data Rate Fourth-Generation Synchronous Dynamic Random Access Memory) is a type of volatile semiconductor memory that transfers data on both clock edges, doubling bandwidth relative to SDR memory at the same clock frequency. Within the memory hierarchy, it sits as main-memory DRAM below CPU caches and above storage, and belongs to the broader category of memory ICs and power-management-adjacent system components in embedded and computing platforms. Key features include 4Gb density organized as 512M x 8, an 8n internal prefetch architecture, industrial-grade temperature support with case temperature maintained from -40C to +85C (extended operation up to 95C case per the manufacturer datasheet), and lead-free, halogen-free RoHS-compliant construction. The UH speed grade targets PC2400-class bandwidth for cost-optimized computing platforms. Technically, the device uses SK hynix CMOS DRAM process technology with bank-group architecture that enables higher effective data rates per clock. Terminated IO (ODT) on-die termination and CA parity support preserve signal integrity at 2400 MT/s across the fly-by command/address topology used on DDR4 DIMMs and solder-down memory buses. Typical applications include industrial PCs and embedded controllers, networking and communication equipment main memory, and set-top box or smart-TV system memory where large density and proven DDR4 interoperability are required. Design consideration: DDR4 layout demands length-matched, fly-by-routed address/command lines and per-byte lane matching; verify controller ZQ calibration and VTT termination budgets before layout freeze. This page synthesizes distributor pricing, drop-in alternatives across SK hynix speed grades, and practical DDR4 design notes not found in the manufacturer datasheet.

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GX36220-F-DNT - 2x64Gbps Linear TIA | Renesas Electronics

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GX39220 - 2x96Gbaud Linear TIA for Coherent Optics | Renesas

GX39221-DNT - 96Gbaud 2-Ch Linear TIA | Renesas | 800G Coherent

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GX79472 - Quad 96Gbaud Linear Driver for 800G Optical | Renesas

H5AN4G6NBJR-PBC - 4Gb DDR4 SDRAM 256Mx16 FBGA-96 | SK hynix

H5AN4G6NBJR-VKC - 4Gb DDR4 SDRAM 2666Mbps x16 | SK Hynix

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H5AN4G8NBJR-UHC - 4Gb DDR4 SDRAM 2400, 1.2V | SK Hynix

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