SN74LS299DWRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74LS299DWRG4 is an 8-bit Universal Shift/Storage Register from Texas Instruments, supporting bidirectional shift with parallel-in/parallel-out operation, hold mode, and up to 20MHz frequency in a 20-pin SOIC package. From $0.80 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LS299DWRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LS299DWRG4?
- 8-bit bidirectional universal shift register with parallel-in/parallel-out and hold mode for versatile data handling
- 20MHz maximum operating frequency enables high-speed serial-to-parallel and parallel-to-serial data conversion
- Common I/O pins and hold mode reduce bus pin count and simplify interface design in data buffering applications
What is SN74LS299DWRG4 used for?
The SN74LS299DWRG4 is used in digital systems requiring flexible 8-bit serial and parallel data handling, including microprocessor bus interfaces, data buffering circuits, and serial communication bridges. Its bidirectional shift capability makes it ideal for implementing shift registers in programmable logic controllers and embedded control systems. The device also serves in test equipment and data acquisition systems where simultaneous serial and parallel data management is needed.
What are the specifications of SN74LS299DWRG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | HOLD MODE; COMMON I/O PINS |
| Count Direction | BIDIRECTIONAL |
| Family | LS |
| JESD-30 Code | R-PDSO-G20 |
| Load Capacitance (CL) | 45pF |
| Logic IC Type | PARALLEL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 20000000Hz |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 53mA |
| Propagation Delay (tpd) | 39ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 20MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74LS299DWRG4 datasheet?
SN74LS299DWRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74LS299DWRG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which designs are a good fit for SN74LS299DWRG4 with 45 pF?
SN74LS299DWRG4 fits industrial, embedded, and repair-oriented electronic assemblies when the design needs 45 pF and 20 MHz. It is a practical choice when the BOM also matches the 20-pin SOIC footprint.
How should engineers check package compatibility for SN74LS299DWRG4?
Compare the PCB land pattern, height allowance, and assembly process against the 20-pin SOIC style. The 20 pins detail is the first check before approving a replacement.
What matters when sourcing SN74LS299DWRG4 as a replacement?
Confirm the same 45 pF, 20 MHz, manufacturer traceability, and lifecycle status before substituting it. Buyers should also verify stock for the exact 20-pin SOIC configuration.
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Why Buy from FindMyChip
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.
More from Texas Instruments
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