Overview
The SA556DT is a dual bipolar timer integrated circuit produced by STMicroelectronics. This component is designed to provide two independent timing circuits, each similar to the single-timer versions like the NE555 or SA555. The SA556DT is housed in a 14-pin SOIC package and is suitable for a wide range of timing and oscillator applications.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | SA556DT |
| Category | Clock/Timing - Timers and Oscillators |
| Manufacturer | STMicroelectronics |
| Description | IC OSC TIMER DUAL 500KHZ 14SOIC |
| Package | 14-SOIC |
| Voltage - Supply | 4.5V ~ 16V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Frequency | Up to 500 kHz |
Key Features
- Two independent timing circuits in a single package, similar to the NE555 or SA555.
- Operates in both astable and monostable modes.
- Wide supply voltage range: 4.5V to 16V.
- High temperature stability: -40°C to 125°C.
- Surface mount 14-pin SOIC package for compact design.
- Up to 500 kHz frequency capability.
Applications
The SA556DT is versatile and can be used in various applications, including:
- Pulse generation and shaping.
- Time delay circuits.
- Oscillators and clock circuits.
- Sequential timing and logic circuits.
- Automotive and industrial control systems.
- Consumer electronics and appliances.
Q & A
- What is the SA556DT?
The SA556DT is a dual bipolar timer integrated circuit produced by STMicroelectronics, providing two independent timing circuits in a single package. - What are the operating voltage and temperature ranges of the SA556DT?
The SA556DT operates with a supply voltage of 4.5V to 16V and an operating temperature range of -40°C to 125°C. - In what package is the SA556DT available?
The SA556DT is available in a 14-pin SOIC package. - What are the typical applications of the SA556DT?
The SA556DT is used in pulse generation, time delay circuits, oscillators, sequential timing, and various control systems in automotive, industrial, and consumer electronics. - Is the SA556DT still in production?
No, the SA556DT is obsolete and no longer manufactured. However, substitutes may be available. - What is the maximum frequency capability of the SA556DT?
The SA556DT can operate up to 500 kHz. - Can the SA556DT be used in both astable and monostable modes?
Yes, the SA556DT can operate in both astable and monostable modes. - What is the advantage of having two independent timing circuits in one package?
Having two independent timing circuits in one package reduces the component count and saves space in the design. - How does the SA556DT compare to single-timer ICs like the NE555?
The SA556DT offers two timing circuits similar to the NE555 but in a single package, making it more compact and efficient for designs requiring multiple timers. - Where can I find more detailed specifications and datasheets for the SA556DT?
You can find detailed specifications and datasheets for the SA556DT on the STMicroelectronics website or through authorized distributors like Digi-Key and Mouser.
