ALD7556SBL

Programmable Timers And Oscillators Overview

The ALD7556SBL is a dual CMOS analog RC timer manufactured by Advanced Linear Devices, housed in a 14-pin SOIC package. It operates within a supply voltage range of 2V to 10V and supports an operating temperature range of 0°C to +70°C. The device features a typical supply current of 100µA and a maximum power dissipation of 600mW. It provides high-speed operation with a typical oscillation frequency of 2.5MHz at 5V and enhanced discharge sinking current capability.

Programmable Timers And Oscillators Feature Summary

• Dual monolithic CMOS analog RC timing circuits
• High Discharge Sinking Current of 80mA at 5V
• Typical supply current of 100µA
• CMOS, NMOS, and TTL compatible inputs/outputs

Programmable Timers And Oscillators Applications

• Monostable one-shot pulse generation
• Astable free-running oscillator circuits
• Frequency division and synchronization
• Pulse width modulation

Programmable Timers And Oscillators Procurement Notes

Verify the component meets RoHS compliance standards as indicated by the 'L' suffix in the part number. Confirm that the 14-pin SOIC package dimensions align with the target PCB footprint specifications before finalizing procurement orders.

Programmable Timers And Oscillators Selection Notes

Select this component for designs requiring low power consumption and high input impedance. Ensure the external timing components support the desired frequency range, noting the 2.5MHz typical limit. Verify compatibility with existing logic families given the CMOS/NMOS/TTL output options.

Programmable Timers And Oscillators Part Context

This part belongs to the ALD7556 series, which serves as a functional equivalent to standard NE556 timers but offers improved performance characteristics such as lower leakage currents and higher drive capability. It is designed for direct pin-out replacement in many legacy applications.

Programmable Timers And Oscillators Replacement Considerations

The datasheet identifies the ALD7556SBL as a functional equivalent to the ICM7556 and NE556 devices with the same pin-out configuration.