| PartNumber | CD74HCT297E | CD74HCT299E | CD74HCT299EG4 |
| Description | Phase Locked Loops - PLL Hi-Spd CMOS Logic Dig PLL | Counter Shift Registers Hi-Sp CMOS 8-Bit Unv Shft Reg W/3-St Otpt | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Phase Locked Loops - PLL | Counter Shift Registers | - |
| RoHS | Y | Y | - |
| Type | PLL | - | - |
| Number of Circuits | 1 | 2 | - |
| Minimum Input Frequency | 30 MHz | - | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-16 | PDIP-20 | - |
| Packaging | Tube | Tube | - |
| Height | 4.57 mm | - | - |
| Length | 19.3 mm | - | - |
| Series | CD74HCT297 | CD74HCT299 | - |
| Width | 6.35 mm | 6.35 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Output Level | CMOS | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Product Type | PLLs - Phase Locked Loops | Counter Shift Registers | - |
| Factory Pack Quantity | 25 | 20 | - |
| Subcategory | Wireless & RF Integrated Circuits | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.042297 oz | - |
| Counting Sequence | - | Serial/Parallel to Serial/Parallel | - |
| Number of Bits | - | 8 bit | - |
| Logic Family | - | 74HCT | - |
| Logic Type | - | CMOS | - |
| Number of Input Lines | - | 3 | - |
| Output Type | - | 3-State | - |
| Propagation Delay Time | - | 45 ns | - |
| Function | - | Shift Register | - |
| Operating Temperature Range | - | - 55 C to + 125 C | - |
| Number of Output Lines | - | 3 | - |