CD74AC299M96 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The Texas Instruments CD74AC299M96 is an 8-stage universal shift register with parallel I/O capability, supporting bidirectional serial shift and parallel load operations. It features totem-pole serial outputs for shift-right and shift-left functions with gated output control and a hold mode. Operating from 1.5 V to 5.5 V supply voltage, it delivers a maximum clock frequency of 68 MHz with 50 pF load capacitance, available in a 20-pin SOIC package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- CD74AC299M96 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bidirectional 8-stage shift register with both serial and parallel I/O, enabling flexible data entry and retrieval in a single device
- Wide supply voltage range of 1.5 V to 5.5 V with AC-series CMOS technology delivering up to 68 MHz maximum operating frequency
- Gated output control and hold mode with common I/O pins and totem-pole serial shift-right and shift-left outputs for versatile system integration
Applications
The CD74AC299M96 is widely used in serial-to-parallel and parallel-to-serial data conversion circuits found in microcontroller interfaces and communication bus expanders. Its bidirectional shift capability makes it ideal for keyboard scanning, data buffering, and pipeline register functions in digital logic systems. The wide voltage range and high-speed AC-series performance also suit it for industrial control and data acquisition front-end designs requiring compact 20-pin SOIC packaging.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | AC |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | PARALLEL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 68000000Hz |
| Max I(ol) | 0.024A |
| 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) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Propagation Delay (tpd) | 169ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 95MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74AC299M96:
Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, PDSO20
Frequently Asked Questions
What is the maximum operating frequency of the CD74AC299M96?
The CD74AC299M96 supports a maximum clock frequency of 68 MHz when driving a 50 pF load capacitance, making it suitable for high-speed data shifting applications in digital logic designs.
What supply voltage range does the CD74AC299M96 support?
The CD74AC299M96 operates over a wide supply voltage range from 1.5 V to 5.5 V, allowing compatibility with both 1.8 V and 5 V logic systems without additional level translation.
What package does the CD74AC299M96 use and how many pins does it have?
The CD74AC299M96 is housed in a 20-pin Small Outline (SOIC) package (JESD-30 code R-PDSO-G20), offering a compact footprint suitable for surface-mount PCB assembly in space-constrained designs.
Can the CD74AC299M96 perform both shift-right and shift-left operations?
Yes, the CD74AC299M96 supports bidirectional serial shifting with dedicated totem-pole outputs for both shift-right and shift-left directions, along with a hold mode and gated output control using common I/O pins for maximum flexibility.
Is the CD74AC299M96 RoHS compliant and lead-free?
Yes, the CD74AC299M96 carries a Pb-free code of 'Yes' and a JESD-609 code of e4, confirming it meets RoHS lead-free requirements and is suitable for environmentally compliant manufacturing processes.
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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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