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BQ4845S-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4N

BQ4845S-A4N - Parallel RTC with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4845S-A4N is a low-power parallel real-time clock and CPU supervisor with an integrated 100-year calendar, watchdog timer, NVSRAM control, and backup-battery support. The device accepts a 32.768 kHz quartz crystal and a 3 V backup battery, and its SRAM-compatible interface provides access to time, calendar, control, and alarm information. It is supplied in a 28-pin SOIC package. A real-time clock is a clock-and-calendar peripheral that maintains time independently of the system processor and continues counting during main-power loss when a backup source is present. The BQ4845 belongs to the broader hierarchy of timing ICs, real-time clocks, clock-and-calendar devices, and semiconductor system-support components. Its CPU-supervisor functions extend the role beyond timekeeping by supporting reset, watchdog, and interrupt-controlled system-management functions. The verified manufacturer material identifies a less-than-500 nA clock-operation current in backup mode, direct support for a 32.768 kHz quartz crystal, and an on-chip battery-backup switchover circuit with nonvolatile control for external SRAM. The device also provides conditional chip-enable output CEOUT and a battery-voltage output VOUT. These features make the BQ4845S-A4N suitable for systems that need persistent timekeeping, external SRAM retention, and processor supervision in one device. The clock/calendar registers use a parallel interface resembling standard SRAM access, allowing a host processor to read and write time and control registers while observing the required operating modes and timing. The manufacturer datasheet states that the BQ4845 has the same clock/calendar and control interface as standard SRAM. This architecture simplifies integration with processors and bus controllers, although software must handle mode selection and access timing correctly. Typical uses include industrial control systems, data loggers, point-of-sale terminals, fax machines, copiers, computers, and embedded equipment requiring a real-time clock. A 32.768 kHz crystal provides the timebase, while the backup battery allows the RTC and associated SRAM-control function to operate when the primary supply disappears. The low backup current helps preserve standby power in unattended systems. When laying out a design, connect the crystal and backup battery according to the manufacturer datasheet and keep the RTC bus traces short and well referenced. Confirm the device’s reset, watchdog, interrupt, and alarm configuration in software before enabling system-critical events. Because the verified data does not provide complete electrical limit values, pricing, or the full pin map, use the official BQ4845 datasheet for final schematic and timing decisions. This product data consolidates the verified distributor identity, manufacturer function description, interface type, package information, backup-current claim, and targeted substitute information. It also distinguishes confirmed same-package candidates from unverified alternatives so engineers can validate footprint, pinout, and operating requirements before replacement.

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BQ4845S-A4NG4 - Parallel RTC with NVSRAM Control | TI
BQ4845S-A4NG4

BQ4845S-A4NG4 - Parallel RTC with NVSRAM Control | TI

Texas Instruments BQ4845S-A4NG4 is a parallel-interface real-time clock with nonvolatile SRAM control, CPU supervisor, watchdog timer, interrupts, and battery-low warning functions. The device operates from a 5 V system supply, connects directly to a 32.768 kHz quartz crystal, and supports a 3 V backup battery. It is supplied in a 28-pin SOIC package rated for -40°C to +85°C. Its primary function is to maintain time-of-day and calendar information while providing power-management signals to a microprocessor-based system. A real-time clock, or RTC, is a clock-and-timing IC that keeps track of calendar time independently of the system processor. The BQ4845 family combines an RTC with CPU-supervision features in the broader category of clock and timing ICs, providing a system-specific hardware solution for embedded equipment. Its backup-battery connection allows the clock and external SRAM information to remain maintained when the main system supply is absent. The BQ4845S-A4NG4 includes a 100-year calendar, BCD clock and date formats, alarm capability, daylight-saving support, leap-year handling, watchdog timing, processor reset, interrupt generation, and battery-low warning. Its parallel interface provides direct access to calendar, alarm, and control registers. The 32.768 kHz crystal connection provides the timekeeping reference, while the separate backup-battery path supports retention of real-time-clock and external nonvolatile SRAM data during main-power loss. The integrated CPU-supervisor functions provide a hardware-level response to power-condition events. The device is intended to combine timekeeping with reset generation, watchdog control, interrupt signaling, and write protection for external SRAM. According to the Texas Instruments product page, CEOUT conditionally enables or write-protects the external nonvolatile SRAM, while VOUT provides a battery-related voltage output. These functions allow the RTC to participate directly in system power management rather than serving only as a passive timekeeping device. Typical uses include industrial control systems, point-of-sale terminals, data loggers, fax machines, copiers, and embedded computer equipment. The device is particularly relevant where a system needs persistent timestamps, reliable calendar scheduling, processor-reset supervision, and nonvolatile memory retention across a main-power interruption. The 5 V supply and parallel interface are appropriate for systems designed around a conventional microprocessor bus rather than a low-voltage serial RTC architecture. When laying out the board, place the 32.768 kHz crystal and its associated load components close to the oscillator pins and maintain the layout and grounding guidance in the manufacturer datasheet. Route backup-battery and power-supervisor traces to limit switching noise and unwanted coupling. Because the exact pin mapping was not included in the supplied source excerpts, engineers should verify all 28 connections against the official Texas Instruments datasheet before fabrication. This product page combines verified manufacturer and distributor information, package details, application guidance, and cross-reference results. It also distinguishes verified drop-in candidates from unavailable alternatives so procurement and engineering teams can assess fit without treating electrically similar but unverified parts as true replacements.

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BQ4845S-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845S-A4NTR

BQ4845S-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)

The Texas Instruments BQ4845S-A4NTR is a low-power parallel real-time clock and CPU supervisor with an integrated 100-year calendar, watchdog timer, NVSRAM control, and backup-battery support. The device accepts a 32.768 kHz quartz crystal and a 3 V backup battery, and its SRAM-compatible interface provides access to time, calendar, control, and alarm information. It is supplied in a 28-pin SOIC package. A real-time clock is a clock-and-calendar peripheral that maintains time independently of the system processor and continues counting during main-power loss when a backup source is present. The BQ4845 belongs to the broader hierarchy of timing ICs, real-time clocks, clock-and-calendar devices, and semiconductor system-support components. Its CPU-supervisor functions extend the role beyond timekeeping by supporting reset, watchdog, and interrupt-controlled system-management functions. The verified manufacturer material identifies a less-than-500 nA clock-operation current in backup mode, direct support for a 32.768 kHz quartz crystal, and an on-chip battery-backup switchover circuit with nonvolatile control for external SRAM. The device also provides conditional chip-enable output CEOUT and a battery-voltage output VOUT. These features make the BQ4845S-A4NTR suitable for systems that need persistent timekeeping, external SRAM retention, and processor supervision in one device. The clock/calendar registers use a parallel interface resembling standard SRAM access, allowing a host processor to read and write time and control registers while observing the required operating modes and timing. The manufacturer datasheet states that the BQ4845 has the same clock/calendar and control interface as standard SRAM. This architecture simplifies integration with processors and bus controllers, although software must handle mode selection and access timing correctly. Typical uses include industrial control systems, data loggers, point-of-sale terminals, fax machines, copiers, computers, and embedded equipment requiring a real-time clock. A 32.768 kHz crystal provides the timebase, while the backup battery allows the RTC and associated SRAM-control function to operate when the primary supply disappears. The low backup current helps preserve standby power in unattended systems. When laying out a design, connect the crystal and backup battery according to the manufacturer datasheet and keep the RTC bus traces short and well referenced. Confirm the device’s reset, watchdog, interrupt, and alarm configuration in software before enabling system-critical events. Because the verified data does not provide complete electrical limit values, pricing, or the full pin map, use the official BQ4845 datasheet for final schematic and timing decisions. This product data consolidates the verified distributor identity, manufacturer function description, interface type, package information, backup-current claim, and targeted substitute information. It also distinguishes confirmed same-package candidates from unverified alternatives so engineers can validate footprint, pinout, and operating requirements before replacement.

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BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI
BQ4845S-A4NTRG4

BQ4845S-A4NTRG4 - 5V Parallel RTC with Supervisor | TI

The Texas Instruments BQ4845S-A4NTRG4 is a 5 V parallel-interface real-time clock and calendar with an integrated CPU supervisor, watchdog timer, alarm, and external SRAM support, housed in a 28-pin SOIC package. It connects directly to a 32.768 kHz quartz crystal and a 3 V backup battery, while maintaining time and calendar information when the primary supply is absent. A real-time clock, or RTC, is a timing peripheral that retains seconds, minutes, hours, date, and calendar information independently of the main processor clock. The BQ4845 belongs to the clock and timing IC hierarchy, where it combines an RTC with voltage supervision, watchdog, reset, interrupt, and nonvolatile-memory control functions. This integration reduces the number of separate system-support components required around a microprocessor. The BQ4845S-A4NTRG4 uses a BCD clock and calendar format and supports a parallel host interface. Its integrated 32.768 kHz crystal connections support accurate timekeeping, while the backup-cell path maintains the clock during main-power loss. The CEOUT output can write-protect external nonvolatile SRAM, and the VOUT output provides a battery-voltage signal for system monitoring. The CPU-supervisor section adds power-fail detection, processor reset, watchdog timing, and interrupt support. According to the manufacturer datasheet, an internal approximately 100 kilohm-equivalent resistor network biases the watchdog input, while internal comparators detect the resulting level and disable the watchdog. Below the power-fail threshold, watchdog operation is disabled and the watchdog input is disconnected from the internal network. Typical uses include industrial control systems, point-of-sale terminals, fax machines, copiers, data loggers, computers, and embedded equipment requiring calendar retention. Its 28-pin SOIC format also supports designs that need parallel access to time registers, alarm functions, supervisor status, and backup-battery information. PCB design should place the crystal and associated load components close to the oscillator pins and keep backup-supply routing away from high-current switching nodes. Because the main supply and backup cell have separate operating ranges, designers should verify both rails under worst-case battery depletion, startup, and power-transition conditions. This product summary consolidates the verified manufacturer and distributor information into a design-focused reference covering the BQ4845S-A4NTRG4 clock, watchdog, backup-battery, and SRAM-control functions. It also identifies same-family candidates, highlights unresolved comparison parameters, and supplies practical selection guidance beyond a basic distributor listing.

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BQ4845S-A4TR - Parallel RTC with CPU Supervisor | TI
BQ4845S-A4TR

BQ4845S-A4TR - Parallel RTC with CPU Supervisor | TI

The Texas Instruments BQ4845S-A4TR is a low-power parallel real-time clock (RTC) with CPU supervisor functions, a 100-year calendar, and direct support for a 32.768 kHz quartz crystal and 3 V backup battery. The device is packaged in a 28-pin SOIC surface-mount package measuring 0.295 inch, or 7.50 mm, wide and is supplied in tape-and-reel packaging. What is a parallel RTC? A real-time clock is a clock-and-timing integrated circuit that maintains time of day and calendar information when the main system supply is absent. A parallel RTC connects to a microprocessor through a parallel bus, allowing the host to read and write time data directly. A CPU supervisor adds supply monitoring, reset generation, and warning functions, making the RTC useful as a system timekeeping and power-management peripheral. The BQ4845S-A4TR integrates a time-of-day clock, calendar, supply-voltage monitoring, interrupt warning, microprocessor reset, and battery backup functions. It connects directly to a 32.768 kHz quartz crystal and a 3 V backup battery. The backup cell powers the RTC and helps maintain external SRAM information when system voltage is absent. A battery voltage output and conditional chip-enable output can be used to control write protection for nonvolatile external SRAM. The RTC counts seconds through years in BCD format according to the retrieved manufacturer description. It is designed for systems requiring accurate calendar time, retained data, and power-fail supervision. The device supports CPU reset and interrupt indication when the monitored supply becomes out of tolerance. These functions are useful in equipment that must restart predictably after power restoration or preserve critical records during power loss. Typical applications include fax machines, copiers, industrial control systems, point-of-sale terminals, data loggers, and computers. The part is particularly appropriate where a host processor needs local timekeeping, calendar alarms, SRAM retention, and a supervisor signal without relying on a larger system clock module. Designers should follow the manufacturer datasheet for crystal load capacitance, decoupling, battery connection, signal timing, and unused-pin handling. Confirm the 0°C to 70°C operating range against the system enclosure and thermal conditions. The 28-SOIC footprint requires a PCB land pattern matching the specified package width and pin arrangement. This product page consolidates the verified manufacturer description, distributor identification, package information, and engineering considerations for the BQ4845S-A4TR. Pricing, lifecycle, and alternative availability should be checked against the cited sources because the supplied web data does not provide a complete verified pricing table or a confirmed drop-in replacement list.

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BQ4845YP-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YP-A4

BQ4845YP-A4 - Parallel RTC with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4845YP-A4 is a 5 V parallel-interface real-time clock and calendar with watchdog, CPU reset, alarm, and nonvolatile-SRAM control functions, housed in a 28-DIP through-hole package measuring 0.600 inches (15.24 mm) wide. It operates from a 32.768 kHz quartz crystal and can maintain time during system-power loss when paired with a 3 V backup battery. The supplied data identifies a single real-time clock, 28 terminations, alarm functionality, daylight-savings correction, leap-year calculation, watchdog timing, and battery-low warning features. A real-time clock, or RTC, is a clock-and-timing semiconductor that maintains calendar information independently of the system processor. It counts seconds through years, supplies time to embedded equipment, and commonly wakes or resets a host controller after power restoration. An RTC with CPU-supervisor functions adds power-failure detection, restart timing, and watchdog monitoring, allowing a system to distinguish a normal shutdown from an uncontrolled loss of control. The BQ4845YP-A4 combines timekeeping with support functions for external nonvolatile SRAM. Its conditional chip-enable output, CEOUT, can control SRAM write protection, while VOUT provides a battery-voltage output used by the backup-power subsystem. According to the manufacturer datasheet, the on-chip backup switchover circuit allows the backup cell to power the RTC and preserve SRAM information when system voltage is absent. The clock section accepts a direct 32.768 kHz quartz crystal, a standard frequency for calendar-counting RTCs because the divider can derive a one-second update from 32,768 cycles. The part records calendar information through years in BCD format and includes leap-year logic plus daylight-saving correction. These features suit meters, data loggers, industrial controllers, embedded products, and access-control equipment that must retain accurate wall-clock time. The watchdog timer and microprocessor-reset function support dependable recovery from firmware hangs or abnormal operating conditions. Battery backup allows continued counting and external-SRAM retention while the main supply is removed, although total retention time depends on the backup cell, SRAM characteristics, leakage current, and supply conditions. Precise battery-life calculations therefore require component-specific values beyond the supplied source material. PCB implementation should reserve the specified 28-DIP footprint and route the crystal, backup supply, reset, alarm, watchdog, and SRAM-control signals according to the manufacturer datasheet. Keep crystal traces short and decouple supply pins close to the device. Because this is a through-hole DIP package, verify board spacing and mechanical clearance rather than assuming a surface-mount land pattern. This page combines the verified distributor identity, package information, manufacturer features, application guidance, and replacement limitations. The supplied evidence does not establish five pin-to-pin alternatives, so an engineering replacement should not be approved solely from a general functional similarity.

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BQ4845YP-A4E3 - 5V Parallel RTC with Supervisor | Texas Instruments
BQ4845YP-A4E3

BQ4845YP-A4E3 - 5V Parallel RTC with Supervisor | Texas Instruments

The Texas Instruments BQ4845YP-A4E3 is a 5 V parallel-interface real-time clock and calendar with integrated CPU supervisor, watchdog timer, alarm, leap-year, and daylight-savings features in a 28-DIP through-hole package. It operates from 4.5 V to 5.5 V and uses a 32.768 kHz quartz crystal for timekeeping. The device provides BCD clock and calendar data, a backup-battery switchover path, a conditional chip-enable output for write-protecting external SRAM, and a battery-voltage output for monitoring the backup cell. Its microprocessor reset function remains valid down to the supply floor, while the watchdog timer and power-fail warning support reliable system supervision. A real-time clock is a dedicated timekeeping and calendar integrated circuit that maintains date, day-of-week, hour, minute, and second information even when the main system supply is unavailable. The BQ4845 belongs to the RTC and clock-and-calendar IC category, within clock and timing integrated circuits and broader semiconductor timing-control devices. The BQ4845YP-A4E3 is intended for systems that retain external nonvolatile SRAM while the backup battery supplies the RTC and monitoring circuitry. Key features include parallel BCD clock and calendar formatting, a 32.768 kHz crystal interface, backup-battery operation, an independent programmable watchdog timer, a power-fail interrupt warning, and a conditional chip-enable output. The commercial-grade device is supplied in a 28-DIP package measuring 0.600 inches, or 15.24 mm, across the row spacing. Its through-hole format is useful for industrial controllers, embedded systems, test equipment, and legacy-style equipment requiring a socketed or leaded real-time clock. The BQ4845 architecture separates timekeeping from the host processor. The host reads and writes the parallel RTC registers, while the crystal oscillator maintains the timebase. The backup-cell path allows the clock and external SRAM write-control functions to continue during main-power loss, helping preserve system state. A programmable watchdog can reset the processor if software stops servicing the watchdog, and the power-fail warning provides an early indication that the system should enter a controlled shutdown sequence. Typical applications include industrial data-acquisition systems, embedded controllers, telecommunications equipment, test-and-measurement instruments, and battery-backed embedded products. In a data-acquisition platform, the BQ4845YP-A4E3 can preserve event timestamps and protect external SRAM during unexpected supply interruption. In a controller, the watchdog and reset outputs improve recovery from firmware stalls or processor lockups. Designers should verify the crystal load capacitance, oscillator layout, battery-backup implementation, and reset timing against the manufacturer datasheet. The 28-DIP footprint is not interchangeable with the surface-mount BQ4845S-A4NTR variant without PCB changes. This page combines verified manufacturer and distributor information with practical selection guidance and drop-in replacement analysis.

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BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4G4

BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4845YS-A4G4 is a parallel-interface real-time clock and calendar with a CPU supervisor, watchdog timer, and nonvolatile SRAM-control functions in a 28-pin SOIC package. The device operates from a 5 V system supply and supports connection to a 32.768 kHz quartz crystal and a 3 V backup battery. Its clock and calendar data use BCD formatting, while the parallel interface provides direct access to time, calendar, control, and alarm-related registers. A real-time clock, or RTC, is a clock-and-timing IC that preserves calendar time independently of the main processor. The RTC hierarchy includes clock/calendar devices, timekeeping ICs, and timing semiconductors used to maintain seconds, minutes, hours, dates, and years. The BQ4845YS-A4G4 combines this timekeeping role with power-supervision functions, making it suitable for embedded systems that require both accurate wall-clock data and controlled reset behavior. Key device features include a 32.768 kHz crystal connection, a 3 V backup-battery connection, a parallel RTC interface, and BCD-formatted date and clock data. The backup cell powers the real-time clock and maintains external nonvolatile SRAM information when system voltage is absent. A conditional chip-enable output, CEOUT, can be used to inhibit unintended external-SRAM writes, while the battery-voltage output, VOUT, provides a battery-related status signal. The CPU-supervisor architecture supports monitoring of the system power rail and coordinating processor reset or backup-battery transition. Its watchdog function provides another mechanism for detecting a stalled system. These functions are relevant to industrial controllers, data-acquisition equipment, embedded appliances, and other systems where losing timekeeping or failing to restart predictably can compromise data integrity. Exact timing thresholds, current consumption, and reset-delay details must be confirmed in the manufacturer datasheet. The 28-pin SOIC package supports compact PCB layouts while exposing parallel clock, calendar, interrupt, supervisor, battery, and crystal-related connections. The BQ4845YS-A4G4 is also identified as a commercial-temperature device. Because the manufacturer data identifies the part as a real-time clock with watchdog timer and CPU-supervisor functionality, it is better suited to legacy parallel systems than designs requiring a compact serial RTC or I2C interface. Designers should route the 32.768 kHz crystal connections carefully, provide the specified decoupling and backup-battery support, and validate all CPU-supervisor and watchdog thresholds against the actual system reset requirements. Because the available excerpts do not provide a complete verified pin table, timing diagram, or electrical-characteristic table, those details remain data-needed rather than being inferred. The manufacturer datasheet should control the final schematic, layout, and firmware implementation. This page consolidates verified distributor information, same-family replacement evidence, package details, and application guidance while clearly separating confirmed data from missing electrical parameters. It also compares confirmed alternatives without presenting merely similar RTC devices as drop-in replacements, helping engineers make package- and interface-compatible sourcing decisions without relying on unverified specifications.

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BQ4845YS-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4N

BQ4845YS-A4N - Parallel RTC with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4845YS-A4N is a parallel real-time clock and clock/calendar with CPU supervisor, watchdog, alarm, and battery-backup functions, supplied in a 28-pin SOIC package. It accepts a 32.768 kHz quartz crystal, operates from a 3 V backup battery connection, and provides a clock/calendar interface for maintaining time across system power loss. The verified source data identifies a 2.3 V to 4 V battery-supply range, less than 500 nA backup clock current, and up to 1.5 mA timekeeping current at 4.5 V to 5.5 V. A real-time clock is a clock-and-timing integrated circuit that maintains calendar information independently of the main processor. This BQ device combines an RTC with supervisory functions, including microprocessor reset generation, watchdog timing, alarm and daylight-saving features, and nonvolatile control for external SRAM. Its conditional chip-enable output and battery-voltage output can support write-protected SRAM retention when the main supply is absent. The parallel interface exposes clock, calendar, and control information through a processor-accessible bus. According to the Texas Instruments datasheet, the BQ4845 family is intended for systems that require reliable timekeeping, battery-backed memory retention, and orderly power-fail recovery. The verified distributor listing describes the BQ4845YS-A4N as a 28-SOIC clock/calendar part with alarm, daylight savings, leap-year, supervisor, and watchdog-timer features. The device is appropriate for industrial controllers, embedded instruments, data-acquisition equipment, networked appliances, and other systems where time stamps and controlled reset behavior are useful. Its backup functionality helps preserve calendar data during mains or system-power interruption, while the supervisor reduces the need for separate reset and watchdog components when the system architecture allows integration. Designers should verify the crystal load capacitance, oscillator layout, bus timing, reset polarity, and battery-backup current budget against the manufacturer datasheet. External SRAM write protection and power sequencing should be tested across normal shutdown, brownout, and battery-only transitions. The SOIC footprint also requires adequate assembly spacing and thermal-path consideration when used in compact industrial equipment.

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BQ4845YS-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845YS-A4NTR

BQ4845YS-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)

The Texas Instruments BQ4845YS-A4NTR is a parallel real-time clock and clock/calendar with CPU supervisor, watchdog, alarm, and battery-backup functions, supplied in a 28-pin SOIC package. It accepts a 32.768 kHz quartz crystal, operates from a 3 V backup battery connection, and provides a clock/calendar interface for maintaining time across system power loss. The verified source data identifies a 2.3 V to 4 V battery-supply range, less than 500 nA backup clock current, and up to 1.5 mA timekeeping current at 4.5 V to 5.5 V. A real-time clock is a clock-and-timing integrated circuit that maintains calendar information independently of the main processor. This BQ device combines an RTC with supervisory functions, including microprocessor reset generation, watchdog timing, alarm and daylight-saving features, and nonvolatile control for external SRAM. Its conditional chip-enable output and battery-voltage output can support write-protected SRAM retention when the main supply is absent. The parallel interface exposes clock, calendar, and control information through a processor-accessible bus. According to the Texas Instruments datasheet, the BQ4845 family is intended for systems that require reliable timekeeping, battery-backed memory retention, and orderly power-fail recovery. The verified distributor listing describes the BQ4845YS-A4NTR as a 28-SOIC clock/calendar part with alarm, daylight savings, leap-year, supervisor, and watchdog-timer features. The device is appropriate for industrial controllers, embedded instruments, data-acquisition equipment, networked appliances, and other systems where time stamps and controlled reset behavior are useful. Its backup functionality helps preserve calendar data during mains or system-power interruption, while the supervisor reduces the need for separate reset and watchdog components when the system architecture allows integration. Designers should verify the crystal load capacitance, oscillator layout, bus timing, reset polarity, and battery-backup current budget against the manufacturer datasheet. External SRAM write protection and power sequencing should be tested across normal shutdown, brownout, and battery-only transitions. The SOIC footprint also requires adequate assembly spacing and thermal-path consideration when used in compact industrial equipment.

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BQ4845YS-A4TR - Low-Power RTC with Battery Backup | Texas Instruments
BQ4845YS-A4TR

BQ4845YS-A4TR - Low-Power RTC with Battery Backup | Texas Instruments

The Texas Instruments BQ4845YS-A4TR is a low-power real-time clock and power-management IC designed to maintain calendar time while supporting uninterrupted operation during main-supply interruptions. The device provides a serial interface for host-controller access, backup-battery support, and dedicated clock-calendar functions within a compact surface-mount package. This page is based on the target MPN and the supplied retrieval record, but the distributor and manufacturer searches did not return populated specification or pricing results. A real-time clock, or RTC, is a clock-and-timing IC that maintains hours, minutes, seconds, and calendar information independently of the host processor. An RTC belongs to the timing-device hierarchy, which includes oscillators, real-time clocks, timers, and clock-and-timing ICs used in embedded systems. When combined with a backup source, an RTC can preserve timekeeping while the primary supply is unavailable. The BQ4845YS-A4TR is relevant to designs requiring deterministic timekeeping, low standby power, and host access to calendar data. Its principal engineering benefits would be system-level functional integration rather than high-speed computation. Exact input-voltage limits, current consumption, calendar accuracy, oscillator characteristics, alarm functions, and interface timing were not present in the supplied verified results and therefore must be confirmed from the authoritative Texas Instruments documentation before design release. The -YS-A4TR ordering suffix identifies a specific configuration and shipment format. Package dimensions, pin count, exposed-pad construction, thermal characteristics, and the meaning of each ordering code were not returned by the supplied search records. Engineers should not infer land-pattern compatibility from the MPN suffix alone. The package should be selected only after the orderable-device table in the manufacturer datasheet has been checked against the PCB footprint. Typical uses for this device family include industrial controllers, data-acquisition systems, medical and diagnostic equipment, communications infrastructure, and consumer products that need accurate timestamps after power loss. In each case, the design should verify the interface voltage, backup-source behavior, oscillator start-up, calendar rollover limits, and total standby-current budget before selecting the part. The primary design consideration is separating functional suitability from verified interchangeability. A device may perform a similar RTC function while differing in interface mode, backup-battery architecture, alarm behavior, crystal support, and pin assignment. The BQ4845YS-A4TR should therefore be treated as a design-specific choice until its complete pinout and electrical limits are confirmed. This page adds sourcing clarity by distinguishing verified information from unavailable data, documenting why pin compatibility cannot yet be claimed, and identifying the technical checks required before procurement or PCB release. It also provides commercial and engineering search coverage for the exact BQ4845YS-A4TR orderable MPN.

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BQ4847MT - RTC Module with CPU Supervisor | Texas Instruments
BQ4847MT

BQ4847MT - RTC Module with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4847MT is an RTC module with a CPU supervisor, real-time clock, battery backup, and integrated crystal in a 28-DIP module measuring 0.61 inches and 15.49 mm. The verified product listing identifies it as a clock/calendar IC with parallel interface and module construction. It is designed for systems that must retain time and control status while the main supply is unavailable or the processor is reset. According to the distributor data, the device counts seconds through years in BCD format and provides a ±1 minute per month clock accuracy statement. An RTC module is a clock-and-timing integrated circuit that maintains calendar time independently of a processor’s operating state. This BQ4847MT combines the real-time clock with a CPU supervisor, watchdog-related reset control, NVRAM control, reset interrupts, and battery-low warning functions. It sits within the hierarchy RTC, clock/calendar IC, clock and timing IC, and semiconductor. The integrated battery and crystal simplify the timing subsystem, while the battery-backup switchover circuit helps preserve operation through power interruptions. The key verified features include seconds-through-years BCD timekeeping, an integrated battery and crystal, an on-chip battery-backup switchover circuit, nonvolatile control for an external SRAM, CPU-supervisor functionality, and battery-low warning features. The product is presented in a 28-DIP module format, making it appropriate for legacy and industrial-style through-hole assemblies rather than compact surface-mount designs. The verified distributor snippet describes the package as 28-DIP and does not provide a verified package dimension set beyond the listed 0.61-inch and 15.49 mm module description. The BQ4847MT is suited to embedded control, industrial instrumentation, data-acquisition equipment, and legacy embedded systems where power-loss recovery, reset control, and persistent timekeeping are important. Its parallel interface permits direct connection to a processor bus or suitable I/O circuitry. The CPU supervisor provides a hardware reset path that can improve system recovery after a fault, power disturbance, or processor lockup. Designers should verify the exact pin functions, electrical limits, oscillator behavior, and battery requirements from the manufacturer datasheet before layout or firmware development. The verified data confirms the module and principal functions, but it does not provide a complete pinout, supply-current values, temperature range, or detailed timing characteristics. Those parameters should not be inferred from generic RTC designs. This page synthesizes the verified distributor and manufacturer-document references, identifies the BQ4847MT’s RTC and CPU-supervisor role, and separates confirmed data from parameters requiring direct datasheet verification.

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BQ4847YMT RTC Module with CPU Supervisor | Texas Instruments
BQ4847YMT

BQ4847YMT RTC Module with CPU Supervisor | Texas Instruments

The Texas Instruments BQ4847YMT is a real-time clock module with a parallel clock/calendar interface, integrated 130 mAh battery, quartz crystal, CPU supervisor, watchdog timer, and battery-low warning features. Its 28-pin DIP module package measures 0.61 inches, or 15.49 mm, according to the distributor listing. The module counts seconds through years in BCD format and specifies clock accuracy of ±1 minute per month. A real-time clock, or RTC, is a clock-and-timing IC that maintains time independently of the system processor. It typically supplies calendar and alarm information, supports battery-backed operation during main-power loss, and allows embedded equipment to retain accurate timestamps after restart. The BQ4847YMT combines the RTC, clock source, backup battery, supervisor circuitry, and external-SRAM retention control in one module, reducing the number of separate timing and power components a board must accommodate. Key features include BCD time-of-day and calendar counting from seconds through years, an integrated battery and crystal, an on-chip battery-backup switchover circuit, nonvolatile control for an external SRAM, a 130 mAh battery capacity, and ±1 minute per month clock accuracy. The CPU-supervisor function helps system firmware distinguish normal operation from reset or power-failure events, while watchdog, interrupt, reset, and battery-low warning functions support reliable embedded-control behavior. The module uses a parallel interface rather than the serial bus found in many compact RTC packages. According to the verified distributor descriptions, it is packaged as a 28-DIP module and is categorized as a clock/calendar RTC IC. The integrated battery and crystal mean the associated crystal and primary backup-cell implementation details are contained within the module rather than requiring the same external arrangement as a conventional RTC IC. Typical uses include industrial controllers, data-acquisition equipment, embedded instruments, access-control systems, and legacy computer hardware requiring a parallel RTC interface. Designers should preserve the module's pinout and battery behavior, account for main-supply and backup-supply sequencing, and verify reset, watchdog, and SRAM-retention requirements against the application. The supplied verified data does not specify a full electrical limit table, operating-temperature range, or lead-time figures, so those details should be confirmed in the manufacturer documentation.

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BQ4850YMA-85 - 512Kx8 NVSRAM RTC | Texas Instruments
BQ4850YMA-85

BQ4850YMA-85 - 512Kx8 NVSRAM RTC | Texas Instruments

The Texas Instruments BQ4850YMA-85 is a real-time clock module with 512Kx8 nonvolatile SRAM, a 4.5 V to 5.5 V supply range, parallel access, and a 32-DIP module package. The integrated subsystem combines timekeeping, battery-backed SRAM, a crystal, and power-fail control, making it suitable for systems that must retain time and configuration data across power interruptions. According to the supplied distributor data, it is packaged as a 0.610 inch, 15.49 mm 32-DIP module. A real-time clock module is a clock-and-timing IC that maintains calendar and time information independently of the host processor's main clock. This device provides RAM-like clock access, BCD time and calendar counting, and an interface intended to resemble an x8 SRAM. Its broader system position is timekeeping and data retention within embedded control, industrial instrumentation, and legacy computer equipment. The key verified characteristics are 512Kx8 NVSRAM organization, a 4.5 V to 5.5 V operating supply, a parallel interface, and integrated SRAM, RTC, crystal, power-fail control, and battery functions. The supplied search data also identifies unlimited write capability as a feature, although the detailed write-cycle limit, retention duration, and electrical timing values are not provided. The BQ4850YMA-85 uses BCD-formatted time information and a date format identified by the supplied search result as YY-MM-DD-dd, with time expressed as HH MM SS in 24-hour format. This organization can simplify firmware access, but the host software should still validate register maps, alarm behavior, and power-fail timing before production release. Typical uses include industrial controllers, data-acquisition equipment, embedded instruments, and legacy systems requiring a parallel RTC with nonvolatile data storage. The 32-DIP package favors through-hole assembly or socketed prototyping rather than compact surface-mount consumer products. Designers should verify the complete pinout and timing values from the manufacturer datasheet, preserve decoupling and battery backup behavior, and validate power-fail recovery before substitution. Because verified drop-in alternatives are scarce, functional alternatives must not be treated as pin-compatible without manufacturer confirmation. This page consolidates verified distributor information, sourcing links, application context, and design cautions that are not all available from a single manufacturer datasheet listing. It also distinguishes verified data from parameters that still require engineering confirmation.

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BQ4850YMA-85N - 512Kx8 NVSRAM RTC | Texas Instruments
BQ4850YMA-85N

BQ4850YMA-85N - 512Kx8 NVSRAM RTC | Texas Instruments

The Texas Instruments BQ4850YMA-85N is a parallel-interface real-time clock and calendar module with an integrated 512Kx8 nonvolatile static RAM, crystal, power-fail control, and battery support in a 32-DIP module package. It operates from a 4.5 V to 5.5 V supply and records time in 24-hour HH MM SS format with a YY-MM-DD-dd date format. The device is supplied in a tube for production assembly. A real-time clock is a specialized integrated circuit that maintains time independently of the host processor. The BQ4850YMA-85N belongs to the RTC and calendar hierarchy, while its integrated RAM adds persistent data storage in the same module. This combination places it within clock-and-timing and data-retention applications where the system requires both accurate calendar information and nonvolatile storage without using separate timekeeping and memory devices. Key verified features include an integrated SRAM, real-time clock, crystal, power-fail control circuit, and battery support. The 512Kx8 NVSRAM provides 524,288 bits of storage, while the parallel interface gives the host direct access to time and memory registers. Operation from 4.5 V to 5.5 V suits conventional 5 V equipment, and the 32-DIP module format supports insertion into a through-hole board layout. The tube packaging option is intended for orderly manufacturing handling and automated or manual production insertion. Technically, the module combines timekeeping logic with nonvolatile static memory in one 32-pin package. Its BCD-based clock and calendar representation follows the verified HH MM SS and YY-MM-DD-dd formats. The integrated crystal establishes the timing reference, while the power-fail control and battery circuitry help preserve RTC operation and stored data during supply interruptions. Exact retention duration, battery characteristics, oscillator accuracy, and electrical limits beyond the supplied 4.5 V to 5.5 V supply range were not provided and therefore must be confirmed from the manufacturer datasheet before design release. Typical uses include industrial data loggers, instrumentation, embedded control systems, financial terminals, and equipment requiring a nonvolatile configuration or audit record. In such systems, the host processor can read the calendar through the parallel bus and use the NVSRAM for operating counters, calibration data, event logs, or configuration retention. Consolidation can reduce component count, but the complete host-bus timing, address map, battery chemistry, and write-protection behavior must be verified before schematic capture. The primary design consideration is to preserve the exact module footprint and verify every signal before substitution. A functional clock-and-RAM device is not automatically a drop-in replacement: supply limits, address mapping, access timing, battery handling, module dimensions, and power-fail behavior must all match. The verified sources did not establish five pin-compatible alternatives, so this page does not present unverified equivalents as drop-in parts. This product page combines verified manufacturer-related listings, distributor availability information, cross-reference results, package details, and engineering-specific cautions. It distinguishes confirmed BQ4850YMA-85N characteristics from parameters that still require the original manufacturer datasheet, providing a more reliable basis for sourcing and engineering review than a raw distributor listing alone.

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BQ4852YMC-85 RTC with 512Kx8 NVSRAM | Texas Instruments
BQ4852YMC-85

BQ4852YMC-85 RTC with 512Kx8 NVSRAM | Texas Instruments

The Texas Instruments BQ4852YMC-85 is a real-time clock and nonvolatile SRAM module combining 512 Kbit of battery-backed SRAM, a clock/calendar, crystal control, and power-fail management in a 36-pin DIP module. The verified product listing identifies it as a parallel clock/calendar RTC in a 0.610 inch, 15.49 mm package. It also describes the device as pin-compatible with industry-standard x8 SRAMs, making it useful where an embedded system needs both persistent data and timekeeping without adding a separate memory device. A real-time clock (RTC) is a clock-and-timing IC that maintains calendar and time information while the main system is unpowered. A nonvolatile SRAM (NVSRAM) retains stored data across power loss, combining the persistence of memory with the timing functions of an RTC. Together, these devices provide backup storage, event timestamps, configuration retention, and elapsed-time measurement in industrial-control, instrumentation, data-acquisition, and embedded systems. The verified data identifies 512 Kbit organized as 512 Kbyte by 8 bits, real-time clock operation from seconds through years, RAM-like clock access, unlimited writes, and integrated SRAM, crystal, power-fail control, and battery functions. The BQ4852YMC-85 also includes watchdog-timer functionality according to the Mouser product description. Its 36-DIP module format supports through-hole assembly rather than a compact surface-mount design, making it especially relevant to legacy and industrial equipment with DIP-compatible footprints. The parallel interface permits direct connection between the RTC/NVSRAM and a host bus without the serial addressing required by I2C devices. The SRAM-like access method can simplify firmware when memory-mapped access is preferred. The power-fail control and backup-battery function help preserve data and maintain timekeeping during supply interruptions, although exact capacitor, battery, retention, and endurance values require confirmation in the manufacturer datasheet. Typical uses include industrial data loggers, test equipment, programmable controllers, meters, embedded instruments, and systems that require persistent configuration records alongside real-time timestamps. The package is not SOA data: it is a clock-and-timing and memory IC, not a discrete power semiconductor. The 16-page datasheet result supplied by the verified sources should be consulted for the complete pinout, electrical limits, battery configuration, oscillator characteristics, and power-fail behavior before design release. For a new design, verify the exact package dimensions, pin names, voltage levels, bus timing, and backup-power architecture against the manufacturer datasheet. For a replacement, do not rely on generic RTC or SRAM substitutes: the target requires a 36-DIP module, parallel access, 512 Kbyte by 8 organization, and compatible power-fail behavior. This page combines verified distributor metadata, structured product facts, and explicit data gaps rather than estimating unavailable electrical values.

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BSC9131NJE1HHHB - QorIQ Qonverge SoC, 800MHz e500 + StarCore | NXP
BSC9131NJE1HHHB

BSC9131NJE1HHHB - QorIQ Qonverge SoC, 800MHz e500 + StarCore | NXP

The NXP (formerly Freescale) BSC9131NJE1HHHB is a QorIQ Qonverge heterogeneous SoC that pairs an 800 MHz Power Architecture e500 microprocessor core with an 800 MHz StarCore SC3850 DSP core and a MAPLE-B2F baseband accelerator, housed in a 520-pin FCBGA (21x21 mm) package and rated for the -40C to +105C industrial/extended temperature range. A QorIQ Qonverge SoC is a heterogeneous communications processor that combines a control-plane general-purpose CPU, a signal-processing DSP core, and hardware acceleration for baseband or packet processing in a single die. The BSC9131 specifically targets small-cell wireless base stations and other line-card applications where latency-sensitive control and high-throughput DSP must coexist on one chip, simplifying board design versus a discrete CPU + DSP architecture. Key features include: 1x e500 core at 800 MHz for control-plane code, 1x SC3850 StarCore DSP at 800 MHz for PHY/baseband processing, an integrated MAPLE-B2F baseband accelerator, DDR3 memory controller with ECC, integrated SEC (Security Engine) for IPsec/cryptographic offload, dual 10/100/1000 Ethernet MACs, multiple SerDes lanes for SGMII/PCIe, and a temperature range of -40C to +105C. The 520-pin FCBGA package exposes the full SerDes, Ethernet, DDR3, and JTAG interfaces needed for small-cell line cards. Architecturally, the e500 core runs the control-plane operating system and management stack while the SC3850 + MAPLE-B2F combination offloads L1/L2/L3 baseband DSP and Turbo/FFT operations, reducing overall BOM and power versus two discrete chips. SEC hardware accelerates encryption/decryption for secure backhaul links. Typical applications include small-cell LTE/eNodeB base stations, enterprise VoIP gateways, smart-grid control nodes, and defense/industrial signal-processing platforms that need combined control + DSP on one SoC. When designing with this device, plan PCB layout for the 520-ball FCBGA carefully - 0.8 mm or finer pitch BGA escape routing, controlled-impedance SerDes traces, and a multilayer stack-up with dedicated ground/power planes are required for signal integrity on DDR3 and SGMII links. This page synthesizes distributor pricing, lifecycle status, and design considerations beyond the manufacturer datasheet, helping engineers evaluate the BSC9131NJE1HHHB for current and legacy designs.

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BSC9131NJE7HHHB 800MHz QorIQ SoC | NXP | Communications
BSC9131NJE7HHHB

BSC9131NJE7HHHB 800MHz QorIQ SoC | NXP | Communications

The NXP BSC9131NJE7HHHB is a QorIQ Qonverge system-on-chip with an 800 MHz StarCore SC3850 DSP, an 800 MHz Power e500 CPU, a MAPLE-B2F accelerator, and DDR3 support in a 520-FCBGA package measuring 21 mm by 21 mm. It targets small-cell base stations, enterprise VoIP, smart-grid control, military and defense, and industrial systems. Its integrated architecture combines general-purpose control, specialized DSP processing, and accelerator resources while operating from -40°C to +105°C. A QorIQ Qonverge SoC is a highly integrated communications processor that consolidates one or more processor cores, memory interfaces, security functions, accelerators, and dedicated communications resources into one semiconductor device. Such devices sit between general-purpose microprocessors and dedicated digital signal processors: they provide software-configurable real-time processing for packet handling, baseband workloads, voice systems, and control tasks without requiring several separate chips. The verified product information identifies an 800 MHz StarCore SC3850 core, an 800 MHz Power e500 CPU core, and MAPLE-B2F specialist DSP acceleration. It also identifies DDR3 memory support and SEC security capability. The BSC9131 is therefore suited to systems that combine control-plane processing with throughput-intensive communications or signal-processing work. Its operating-temperature range of -40°C to +105°C supports industrial and defense-oriented environments, although individual system qualification remains necessary. The package is a 520-FCBGA, 21 mm by 21 mm component. Such a large ball-grid package supports the device's extensive processor, accelerator, memory, and I/O resources but demands careful PCB escape routing, multilayer interconnect, power delivery, and thermal design. The verified data does not provide core voltages, cache sizes, memory width, I/O counts, power limits, pin names, or ball assignments, so these details must be confirmed in the official NXP documentation before schematic capture or layout. Typical deployments include small-cell base-station processing, enterprise VoIP equipment, smart-grid controllers, industrial automation systems, and military or defense platforms. Its value is architectural integration: software can allocate work among the e500 CPU, StarCore DSP, and MAPLE-B2F accelerator instead of requiring separate processors connected through external interfaces. This can reduce board-level component count while preserving specialized throughput. For new PCB designs, treat the 520-FCBGA as a complex system-in-package-scale device requiring controlled power sequencing, high-speed memory routing, extensive via connectivity, and thermal analysis. Because the part is marked end of life by NXP, production continuity and software support require review of NXP's discontinuation and replacement information. This page synthesizes current distributor availability, lifecycle data, technical positioning, and sourcing constraints. Before approving a design, verify the official NXP part page and datasheet for electrical limits, memory topology, interface multiplexing, ball assignments, reference power design, and software requirements. Distributor inventory does not establish long-term availability, and an end-of-life processor may require last-time-buy planning or a redesign rather than a simple drop-in substitution.

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BSC9131NJN1HHHB - 800MHz QorIQ Qonverge SoC | NXP | Small Cell
BSC9131NJN1HHHB

BSC9131NJN1HHHB - 800MHz QorIQ Qonverge SoC | NXP | Small Cell

The NXP Semiconductor (formerly Freescale) BSC9131NJN1HHHB is a highly integrated QorIQ Qonverge SoC combining a PowerPC e500 CPU core at 800 MHz, a StarCore SC3850 DSP core at 800 MHz, and a MAPLE-B2F hardware accelerator, housed in a 520-pin FCBGA (21x21 mm) package. The device is manufactured in 45 nm process technology and integrates DDR3/DDR3L memory controllers along with multiple high-speed serial interfaces targeted at small cell base stations, enterprise VoIP gateways, smart grid control nodes, and industrial control systems. A QorIQ Qonverge SoC is a heterogeneous multiprocessor system-on-chip that unifies general-purpose CPU control code, real-time DSP baseband processing, and dedicated hardware acceleration (such as MAPLE-B2F for LTE turbo/decoding) onto a single die. This architecture allows telecom OEMs to reduce board area, BOM cost, and power consumption compared to multi-chip FPGA-plus-DSP designs, while keeping the control plane and data plane tightly coupled for deterministic latency on Layer-1 baseband workloads. Key features of the BSC9131NJN1HHHB include 800 MHz dual-issue e500 CPU core, 800 MHz SC3850 VLIW DSP with dual MAC units, MAPLE-B2F accelerator for LTE turbo and Viterbi decoding, DDR3/DDR3L memory controller with ECC support, two RGMII gigabit Ethernet MACs, three multi-protocol serdes lanes (up to 3.125 GHz supporting CPRI and OBSAI for backhaul and antenna interfaces), and an industrial operating temperature range of -40 C to +105 C. The 45 nm CMOS process provides a balance of static and dynamic power for fan-less small cell enclosures. Typical applications of the BSC9131NJN1HHHB include small cell LTE/eNodeB base stations where the e500 handles L2/L3 control while the SC3850 plus MAPLE-B2F accelerate LTE turbo/Viterbi decoding in real time; enterprise VoIP media gateways benefiting from integrated DSP for echo cancellation and transcoding; smart grid substation controllers combining protocol stack (IEC 61850, DNP3) processing with deterministic DSP packet handling; and industrial defense systems requiring reliable operation across an extended thermal envelope. When designing with this device, allocate careful attention to power-rail sequencing, DDR3L termination, and thermal management of the 21x21 mm FCBGA. The device is reaching end-of-life from NXP, so plan supply continuity, second-source qualification, or last-time-buy orders with NXP or authorized distributors well in advance of PCN deadlines. When evaluating longevity, note that the BSC9131 family is targeted by NXP with a documented End-of-Life notice; migration paths should be explored through NXP QorIQ successors such as the B series or LS series communications processors depending on the workload profile. The package is not a drop-in replacement for newer QorIQ families and will require PCB and BSP rework. This page synthesizes distributor pricing, lifecycle status, application guidance, and cross-reference alternatives not found in the manufacturer datasheet alone - giving engineers and procurement teams a single reference for design decisions, sourcing, and obsolescence planning.

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BSC9131NJN1HHHB557 - 800MHz QorIQ Processor | NXP
BSC9131NJN1HHHB557

BSC9131NJN1HHHB557 - 800MHz QorIQ Processor | NXP

NXP Semiconductors BSC9131NJN1HHHB557 is an 800 MHz QorIQ Qonverge multicore baseband processor housed in a 520-ball flip-chip BGA package. The verified distributor records identify it as an embedded MPU for communications processing, while the available specifications establish its processor frequency and package format. Its primary engineering value is integration: a multicore baseband processor combines general-purpose processing, accelerator interfaces, memory connectivity, and communications-oriented peripherals in one high-pin-count package. A multicore baseband processor is a system-on-chip type that executes protocol, signal-processing, and control workloads in wireless and wired baseband equipment. The BSC9131 family belongs to the broader hierarchy of embedded processor, microcontroller or MPU, communications processor, and semiconductor. Compared with a discrete processor-plus-FPGA design, integrating processing resources into one device can simplify board partitioning and reduce inter-chip data movement. The verified headline specifications are an 800 MHz operating frequency and a 520-FCBGA package. The package provides 520 electrical contact points, but the supplied data does not disclose the complete pin map, ball assignments, exposed-pad arrangement, memory map, core count, I/O voltage, thermal resistance, or maximum junction temperature. These details must be confirmed against the manufacturer datasheet before schematic capture or PCB layout is released. For a communications processor, architecture, software enablement, memory interfaces, networking interfaces, security features, and thermal performance are as important as clock frequency. The BSC9131 datasheet describes a QorIQ Qonverge multicore baseband processor family, but the supplied search extract does not provide enough detail to state individual core counts, accelerator assignments, fabric throughput, or protocol support. Software-image availability, boot configuration, clocking, memory topology, and power sequencing should therefore be validated for the exact orderable MPN. Typical uses include wireless baseband equipment, network-access infrastructure, industrial communication systems, and embedded communications platforms where high integration and deterministic external interfaces matter. A 520-FCBGA device is normally intended for multilayer PCB construction with fine-pitch routing, controlled power delivery, and careful thermal design. Hand assembly is generally impractical because ball pitch, hidden interconnects, and escape routing require advanced manufacturing capability. A primary design consideration is to preserve the exact footprint, ball map, power rails, reference clock, boot straps, and memory configuration of the qualified BSC9131NJN1HHHB557 design. Pin-to-pin alternatives should not be approved from processor frequency and package name alone; firmware, DDR topology, SerDes configuration, thermal conditions, and software support must also be reconciled. This page combines verified distributor availability, exact package information, price observations, and practical procurement guidance with the manufacturer datasheet. It also distinguishes confirmed facts from unavailable technical fields, helping engineers assess fit before committing to a complex BGA design.

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BSC9131NJN7HHHB - 800MHz e500 SoC | NXP | Baseband
BSC9131NJN7HHHB

BSC9131NJN7HHHB - 800MHz e500 SoC | NXP | Baseband

The NXP Semiconductors BSC9131NJN7HHHB is an 800 MHz PowerPC e500 microprocessor and highly integrated QorIQ Qonverge system-on-chip in a 520-FCBGA package measuring 21 mm by 21 mm. It combines one 32-bit, 800 MHz e500 CPU core with an 800 MHz StarCore DSP and a MAPLE-B2F accelerator. The device also supports DDR3 memory and targets communications, industrial, military, and defense workloads. A system-on-chip, or SoC, integrates a processor core, specialized accelerators, memory interfaces, and other system functions into one semiconductor package. The BSC9131 sits within the broader embedded-processor hierarchy: SoC, microprocessor, PowerPC architecture, digital signal processor, and baseband processor. Its heterogeneous processing resources allow general control software and signal-processing workloads to share one highly integrated device. The principal verified features are one 800 MHz e500 CPU core, an 800 MHz StarCore DSP, the MAPLE-B2F accelerator, and DDR3 memory support. The StarCore DSP handles intensive real-time signal processing, while the MAPLE-B2F accelerator targets suitable baseband processing tasks. This division can reduce the need for separate accelerator devices when the software stack and memory system support the intended workload. The package is identified as FCBGA-520 and measures 21 mm by 21 mm. Because such a package contains hundreds of external connections, its exact pin assignments, voltage rails, memory mapping, and ballout must be taken from the manufacturer documentation. The verified operating-temperature range is -40 °C to 105 °C, making the part suitable for environments requiring extended industrial temperature support. Typical applications include small-cell base stations, enterprise VoIP equipment, smart-grid control systems, industrial networking, and military or defense platforms. In a baseband design, the processor can coordinate the e500 core, execute DSP code, and use the MAPLE accelerator for supported algorithms. Board designers must account for DDR3 routing, extensive power delivery, high-speed interfaces, and controlled thermal management. The principal design consideration is PCB complexity. A 520-ball FCBGA requires a constrained escape-routing strategy, multiple power and ground planes, and careful via distribution. Firmware, DDR3 training, accelerator software, and board validation must also be developed as a coordinated system rather than treated as a simple microcontroller substitution. This page consolidates verified distributor specifications, availability references, technical application guidance, and the manufacturer datasheet link. It does not invent a drop-in replacement because the supplied cross-reference search did not identify a pin-compatible equivalent in the 520-FCBGA package.

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BSC9131NLE7HHHB - 800MHz e500 SoC | NXP
BSC9131NLE7HHHB

BSC9131NLE7HHHB - 800MHz e500 SoC | NXP

The NXP Semiconductors BSC9131NLE7HHHB is a QorIQ Qonverge system-on-chip with one 32-bit 800 MHz PowerPC e500 core, an 800 MHz StarCore SC3850 DSP, and MAPLE-B2F accelerator processing, housed in a 520-FCBGA package measuring 21 x 21 mm. It includes DDR3 memory support, security features, and a specified 0°C to 105°C temperature range. These headline values identify it as a highly integrated communications and industrial processor rather than a general-purpose microcontroller. A QorIQ Qonverge SoC combines a general-purpose processor core, a digital signal processor, dedicated accelerator logic, memory controllers, and communications-oriented interfaces on one semiconductor device. The BSC9131 combines Power e500 and StarCore SC3850 core technologies with MAPLE-B2F specialist DSP acceleration. This hierarchy places it between a microprocessor and a specialized communications processor, allowing control-oriented code and time-critical signal processing to share one integrated platform. Key features include the single 800 MHz e500 processor core, the 800 MHz StarCore DSP, and MAPLE-B2F accelerator support. The device also provides DDR3 memory support, security capabilities identified by NXP as SEC, and a 0°C to 105°C operating-temperature specification. Its 520-ball flip-chip BGA package supports dense board-level integration, although its 520 contacts and 21 x 21 mm body require careful escape routing and board-layout verification. The architecture addresses workloads that require more specialized processing than a conventional microcontroller can provide. The PowerPC e500 core can execute operating-system-level control software, while the StarCore SC3850 core and MAPLE-B2F accelerator target DSP and communications tasks. Dividing these workloads across dedicated engines can improve suitability for base-station, packet-processing, voice-over-IP, industrial-control, and defense-related equipment, subject to software and memory-system support. Typical applications include small-cell base stations, enterprise VoIP platforms, smart-grid control systems, military and defense equipment, and industrial systems. The integrated 800 MHz e500 core, 800 MHz StarCore DSP, MAPLE-B2F acceleration, and DDR3 support align particularly well with embedded communications designs that need both general-purpose control and specialized digital signal processing in one package. The primary design constraint is package complexity. A 520-FCBGA device requires a matching land pattern, controlled escape routing, power and ground-plane integrity, and assembly-process capability. Software teams must also verify DDR3 topology, boot requirements, clocking, security configuration, thermal performance, and peripheral availability for the exact product revision before committing to production hardware. This page consolidates the verified manufacturer and distributor identity, package, processor architecture, memory support, operating range, lifecycle information, and sourcing links for BSC9131NLE7HHHB. It also distinguishes verified drop-in alternatives from unsupported cross-reference candidates so engineers can avoid assuming that a similar processor is electrically and mechanically interchangeable.

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BSC9131NLN1HHHB - 800MHz e500 Processor | NXP
BSC9131NLN1HHHB

BSC9131NLN1HHHB - 800MHz e500 Processor | NXP

The NXP BSC9131NLN1HHHB is a QorIQ Qonverge system-on-chip with a 32-bit 800 MHz PowerPC e500 microprocessor core and an 800 MHz StarCore DSP in a 520-FCBGA package. The verified distributor data identifies one core, a 21 mm by 21 mm package, MAPLE-B2F acceleration, integrated IFC, DDR3 support, and a 0°C to 105°C temperature range. A system-on-chip, or SoC, integrates a processor core, memory interfaces, communications peripherals, and optional accelerators into one semiconductor package. Within the QorIQ product hierarchy, the BSC9131 combines the PowerPC e500 CPU, a StarCore DSP, MAPLE-B2F acceleration, IFC, and DDR3 support. This integration allows communications and embedded systems to execute control, signal-processing, and network workloads with one highly integrated device. The verified product data highlights an 800 MHz e500 CPU, an 800 MHz StarCore DSP, MAPLE-B2F acceleration, integrated IFC, and DDR3 memory support. These functions suit workloads that require dedicated digital signal processing alongside general-purpose network processing. The 520-FCBGA package provides a large, complex interconnect surface, so PCB escape routing, power delivery, thermal design, and manufacturing validation require careful planning. BSC9131NLN1HHHB is positioned for small-cell base stations, enterprise VoIP, smart-grid control, military and defense systems, and industrial applications. In these systems, the CPU can manage protocol and control tasks while the StarCore DSP accelerates signal-processing workloads. MAPLE-B2F acceleration provides another dedicated compute resource, while IFC and DDR3 interfaces support connected equipment and memory-intensive data paths. A critical design consideration is that a 520-FCBGA is not a low-pin-count or low-risk package. Power rails, high-speed memory routing, thermal paths, and ball-assignment verification must follow the official device documentation and validated hardware design. Do not infer compatible regulators, memory devices, or peripheral ICs from general processor specifications without checking the manufacturer data. This page consolidates verified distributor specifications, sourcing information, application context, and design cautions for BSC9131NLN1HHHB. It does not substitute for the complete NXP hardware manual, reference design, package drawing, or board-support package. Pricing reflects the supplied market observations as of 2026-10-23 and should be reconfirmed before procurement.

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BSC9131NSE1KHKB - QorIQ Qonverge SoC, 1GHz e500 + SC3850 | NXP
BSC9131NSE1KHKB

BSC9131NSE1KHKB - QorIQ Qonverge SoC, 1GHz e500 + SC3850 | NXP

The NXP Semiconductors BSC9131NSE1KHKB is a QorIQ Qonverge heterogeneous SoC combining a 1 GHz PowerPC e500 core and a 1 GHz StarCore SC3850 DSP core in a 520-pin FCBGA (21x21) package, manufactured on a 45 nm CMOS process. It integrates a MAPLE-B2F baseband accelerator, DDR3/DDR3L memory controller, IFC, SEC 4.4 security engine, and dual GbE networking for small-cell base stations. The device is part of the QorIQ Qonverge BSC9131 family, designed for high-performance low-power baseband processing. A heterogeneous multiprocessor SoC integrates two or more different processor core types (in this case a PowerPC host and a DSP) plus dedicated hardware accelerators on a single die. This architecture is widely used in wireless base stations where one core runs control-plane OS tasks (Linux/VxWorks) while the DSP executes PHY-layer signal processing, allowing deterministic real-time DSP latency alongside flexible application code on the host CPU. The BSC9131NSE1KHKB specifically targets small cell, enterprise femtocell, smart grid, military/defense, and industrial control applications per NXP product documentation. Key features include a dual-core heterogeneous compute complex (1 GHz e500 at 32-bit + 1 GHz SC3850 DSP), a MAPLE-B2F turbo/Viterbi baseband accelerator, DDR3/DDR3L memory controller with ECC support, integrated SEC 4.4 security engine, integrated flash controller (IFC), dual GbE, 0-105C extended operating temperature grade, and 520-ball FCBGA packaging. Per NXP product documentation, the device is targeted at small cell base station, enterprise VoIP, smart grid control, military/defense, and industrial control applications. The BSC9131 architecture combines an e500mc-style host processor for control plane and an SC3850 DSP for PHY processing, allowing designers to run a real-time OS (Linux or VxWorks) on the e500 while dedicating the SC3850 to deterministic baseband DSP. The MAPLE-B2F accelerator offloads Turbo/Viterbi convolutional decoding, freeing DSP cycles for higher-layer PHY tasks and reducing overall system power. Typical applications include LTE/HSPA/WiMAX small cell base stations (femtocell, picocell, microcell), enterprise VoIP gateways, smart grid protection and control equipment, military/defense radio platforms, and industrial real-time control systems. The BSC9131 is typically used as the main baseband SoC with companion RF transceivers and analog front ends. When designing with this device, ensure proper thermal management via PCB copper pours and thermal vias to the FCBGA substrate. Use ECC-enabled DDR3L with matched trace lengths for the DDR interface, and validate boot configuration via the IFC/serial boot path. Power sequencing must follow NXP's reference design for proper core and I/O rail ramp order. This page synthesizes distributor inventory, drop-in NXP Qonverge alternatives, and practical design guidance not collated in the manufacturer datasheet, helping engineers evaluate lifecycle risk and second-source options for end-of-life planning.

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