| Parameters | 
                                                                                                            
                                            | Lifecycle Status | ACTIVE (Last Updated: 5 days ago) | 
                                                                            
                                            | Mount | Through Hole | 
                                                                            
                                            | Package / Case | CDIP | 
                                                                            
                                            | Number of Pins | 20 | 
                                                                            
                                            | Number of Terminations | 20 | 
                                                                            
                                            | Max Operating Temperature | 125°C | 
                                                                            
                                            | Min Operating Temperature | -55°C | 
                                                                            
                                            | Additional Feature | COMMON I/O PINS; GATED OUTPUT CONTROL | 
                                                                            
                                            | Packing Method | TUBE | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 4.5V | 
                                                                            
                                            | Terminal Pitch | 2.54mm | 
                                                                            
                                            | Pin Count | 20 | 
                                                                            
                                            | Number of Elements | 1 | 
                                                                            
                                            | Temperature Grade | MILITARY | 
                                                                            
                                            | Max Supply Voltage | 6V | 
                                                                            
                                            | Min Supply Voltage | 2V | 
                                                                            
                                            | Load Capacitance | 50pF | 
                                                                            
                                            | Number of Bits | 8 | 
                                                                            
                                            | Propagation Delay | 300 ns | 
                                                                            
                                            | Quiescent Current | 8μA | 
                                                                            
                                            | Turn On Delay Time | 300 ns | 
                                                                            
                                            | Family | HC/UH | 
                                                                            
                                            | Logic Function | Shift Register | 
                                                                            
                                            | Direction | Bidirectional | 
                                                                            
                                            | Output Characteristics | 3-STATE | 
                                                                            
                                            | Output Polarity | TRUE | 
                                                                            
                                            | Logic IC Type | PARALLEL IN PARALLEL OUT | 
                                                                            
                                            | Max I(ol) | 0.0052 A | 
                                                                            
                                            | Prop. Delay@Nom-Sup | 43 ns | 
                                                                            
                                            | Trigger Type | POSITIVE EDGE | 
                                                                            
                                            | Schmitt Trigger | No | 
                                                                            
                                            | fmax-Min | 23 MHz | 
                                                                            
                                            | Height | 5.08mm | 
                                                                            
                                            | Length | 24.2mm | 
                                                                            
                                            | Width | 6.92mm | 
                                                                            
                                            | Thickness | 4.57mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Contains Lead | 
                                                                                                    
                            
                         
                                                CD54HC299F3A Overview
As a result, CDIP package contains the embedded device. This chip has a total termination count of 20. Parts with a 4.5V operating supply voltage are specified. It is a part that has 1 elements on it. 20 pins are present on the device. Mounting by Through Hole is recommended. Electronic components are categorized as HC/UH. Additionally, this section contains the following: COMMON I/O PINS; GATED OUTPUT CONTROL. The total number of IC chip bits is 8. 20 pins are on it. A temperature below 125°C is recommended for its use. It should not be less than -55°C when operating this device. A voltage of 6V is employed as the supply voltage. A voltage higher than 2V is used as a supply voltage. A quiescent current of 8μA is used. There is a TUBE packaging for the part. 
CD54HC299F3A Features
With 20 pins
Quiescent Current at 8μA
Packing Method : TUBE
CD54HC299F3A Applications
There are a lot of Texas Instruments CD54HC299F3A Shift Registers applications. 
- Pattern Recognizers
- Remote control holding register
- Counter
- Delay Line
- Sequence generator
- Output expansion
- Pseudo Random Pattern Generator
- Cache memory in CPU
- Parallel data
- Flash Memory