SA556NE4In StockTexas Instruments
SA556NE4 is a dual precision timer IC from Texas Instruments, featuring two independent 555-type timers in a 14-pin DIP package with 15V supply compatibility. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SA556NE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual independent 555-type precision timers in a single 14-pin DIP package
- Compatible with both 5V and 15V nominal supply voltages for flexible system integration
- Supports both monostable and astable operation modes for pulse and rectangular waveform generation
- Plastic/epoxy DIP-14 package (0.3" pitch) for easy through-hole PCB assembly
- Pb-free (RoHS compliant) construction meeting JESD-609 e4 requirements
Applications
The SA556NE4 dual precision timer is widely used in industrial timing circuits, pulse generation, and sequential control applications where two independent timer channels are required in a compact footprint. It is suitable for oscillator circuits, missing-pulse detection, and time-delay generation in automotive, instrumentation, and general-purpose electronic systems. Its dual-channel design simplifies PCB layout and reduces component count in designs requiring multiple timing functions.
Specifications
| YTEOL | 0 |
| Pbfree Code | Yes |
| Additional Feature | CAN ALSO OPERATE FROM A 15V NOMINAL SUPPLY |
| Analog IC - Other Type | PULSE; RECTANGULAR |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 30mA |
| Supply Voltage-Max (Vsup) | 16V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SA556NE4 and what does it do?
The SA556NE4 is a dual precision timer IC from Texas Instruments that integrates two independent 555-type timers in a single 14-pin DIP package. It can generate accurate time delays and oscillation waveforms (pulse and rectangular), and supports both monostable and astable operating modes.
What supply voltage does the SA556NE4 support?
The SA556NE4 operates from a standard 5V supply and can also operate from a 15V nominal supply, making it versatile for a wide range of analog and mixed-signal circuit designs across different voltage domains.
What package does the SA556NE4 come in?
The SA556NE4 is available in a 14-pin plastic/epoxy DIP (Dual In-Line Package) with a 0.3-inch pitch (JESD-30 code R-PDIP-T14), which is suitable for through-hole PCB assembly and breadboard prototyping.
What are typical applications for the SA556NE4?
Typical applications include industrial timing circuits, pulse-width modulation, oscillator design, missing-pulse detection, sequential logic timing, and time-delay generation in automotive electronics, instrumentation, and consumer electronic systems.
Is the SA556NE4 RoHS compliant?
Yes, the SA556NE4 is Pb-free and RoHS compliant, as indicated by its JESD-609 code e4 and the Pbfree Code marking. It meets modern environmental requirements for lead-free manufacturing.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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