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Product Detailed Parameters
- Description：54123 - MULTIVIBRATOR, DUAL MONO
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Logic Type：-
- Independent Circuits：-
- Schmitt Trigger Input：-
- Propagation Delay：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MC10123/BFA is a Triple 4-3-3-Input Bus Driver from the 10K Series, manufactured by Rochester Electronics. It features three NOR gates designed for bus driving applications on or between cards. The device utilizes ECL logic with true output and open-emitter characteristics. It operates within a temperature range of -30 °C to 85 °C. The component is housed in a plastic LCC-20 package (QCCJ) with 20 terminals.
Feature Summary
- Consists of three NOR gates optimized for bus driving applications on or between cards.
- Features open-emitter outputs that appear as high impedance when low, eliminating characteristic impedance discontinuities.
- Supports termination to -2.0 Vdc with specified output levels for driving 25-ohm loads.
Applications
- Bus driving applications on circuit cards
- Inter-card bus connections
- Systems requiring elimination of bus impedance discontinuities
Procurement Notes
Verify the manufacturer designation as Rochester Electronics, which often indicates licensed manufacturing or surplus sourcing rather than original fabrication. Confirm the specific suffix /BFA corresponds to the required package and temperature grade. Ensure compatibility with ECL power supplies and termination requirements before integration into existing designs.
Selection Notes
Select this component for applications requiring triple 4-3-3-input NOR functionality in an ECL environment. The open-emitter output structure is critical for maintaining signal integrity on terminated buses. Verify that the system can accommodate the specified operating temperature range and the plastic LCC-20 package constraints.
Part Context
This part belongs to the 10K Series of ECL logic devices. Rochester Electronics provides these components through licensed manufacturing services, extending the lifecycle of legacy semiconductor types. The MC10123 is specifically engineered for high-speed digital systems requiring robust bus driver capabilities with minimal signal reflection.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify if other members of the 10K Series or equivalent ECL bus drivers meet the functional and pinout requirements.
