Manufacturer Part Number

SY100E156JC

Description

Multiplexer IC with configuration 3 x 4:1. Mounted in a 28-pin PLCC package (size 11.48x11.48mm). Designed for fast digital signal selection between multiple data inputs. Ideal for logic distribution applications. Bulk packaging, suitable for mass PCB assembly. Discontinued product but New Original units in stock.

Specifications

3 multiplexer sections, each offering 4:1 channel selection. Package format is 28-LCC (J-Lead), dimensions 11.48mm x 11.48mm. Voltage supply range from -4.2V to -5.5V (single negative voltage rail). Compatible with surface-mount technology for PCB integration. Operates reliably between 0°C and 85°C. RoHS non-compliant; REACH status unaffected; Moisture Sensitivity Level is 1 (Unlimited). ECCN classification EAR99, HTSUS code 8542.39.0001.

Device Structure

Integrated circuit with all logic multiplexing circuits built on a single silicon die. The device houses 3 independent four-channel multiplexers within one package. J-lead format provides strong mechanical retention to the PCB in surface-mount configurations. 28 pins (PLCC) allow convenient PCB layout and routing.

Performance Characteristics

Designed for high-speed digital logic switching. Operates within a negative voltage supply range, suitable for ECL (Emitter-Coupled Logic) systems and other specialized applications. Stable operation within industrial temperature ranges. Capable of supporting fast signal multiplexing with minimal signal degradation.

Application Environments

Best suited for use in digital logic distribution, multiplexed signal selection, ECL logic systems, telecom infrastructure, networking hardware, high-performance computing, and legacy equipment requiring 3 x 4:1 multiplexing with negative voltage rails.

Selection Guidelines

Choose this device for systems designed around ECL voltage levels (-4.2V to -5.5V), requiring multiple four-channel multiplexers integrated in one package. Confirm that your design does not require RoHS compliance. Evaluate supply voltage and operating temperature compatibility. Due to discontinuation, ensure long-term parts availability and consider lifecycle management strategies.

Usage Considerations

Device is not RoHS compliant; ensure end-product requirements allow for non-compliant components. Confirm negative supply alignment (-4.2V to -5.5V) before integrating. Device support is limited due to Digi-Key discontinuation—check for ongoing warranty, support, or recommended design changes. Moisture Sensitivity Level is 1, so special handling is not required. Surface-mount assembly compatible.

Potential Equivalent/Replacement Models

Equivalent or alternative multiplexers with similar configuration and voltage supply requirements are rare. Consider Microchip/IDT product family members such as SY100EL156JC, SY100E151JC, or SY100EL151JC for possible match but verify voltage compatibility and availability. Some manufacturers like ON Semiconductor, Texas Instruments, or Fairchild offer multiplexers, but typically not in negative voltage ECL ranges. If no direct replacement meets these criteria, customers should contact Ariat-Tech sales team for personalized assistance and recommendations based on availability and application requirements.

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