Texas Instruments

CD4099BM

CD4099BM Description

The CD4099BM from Texas Instruments is a high-performance 8-bit addressable latch designed for surface-mount applications in the 4000B series. Operating within a wide voltage range of 3V to 18V, this latch is ideal for low-to-medium power digital systems. It features standard output type with symmetrical 6.8mA output current (high and low), ensuring reliable signal integrity. With a propagation delay of 50ns, it balances speed and power efficiency, making it suitable for timing-critical applications. Packaged in a 16-SOIC tube, the CD4099BM is ROHS3 compliant and REACH unaffected, meeting stringent environmental standards.

CD4099BM Features

• 8-bit addressable latch with 1:8 circuit configuration, enabling precise data control.
• Wide supply voltage range (3V–18V), supporting compatibility with TTL and CMOS logic levels.
• High output drive capability (6.8mA sink/source) for robust signal transmission.
• Low propagation delay (50ns), ensuring efficient timing in sequential logic circuits.
• Surface-mount (SOIC-16) packaging, optimized for compact PCB designs.
• Last Time Buy status, indicating limited availability for legacy system support.
• Moisture Sensitivity Level (MSL) 1, suitable for extended storage and handling.

CD4099BM Applications

The CD4099BM excels in digital systems requiring latched data storage, such as:

• Memory address decoding in microcontrollers and FPGAs.
• Data routing and multiplexing in industrial control systems.
• LED matrix driving for display applications.
• Signal gating and buffering in communication interfaces.
  Its wide voltage tolerance makes it adaptable for battery-powered devices, while its high noise immunity ensures reliability in electrically noisy environments.

Conclusion of CD4099BM

The CD4099BM is a versatile, high-reliability latch ideal for legacy and modern digital designs. Its balanced performance, robust drive capability, and compliance with environmental standards make it a preferred choice for engineers needing stable data retention in space-constrained applications. While marked as Last Time Buy, it remains a dependable solution for systems requiring long-term support.