common used
74LVC126ABQ == Buffers & Line Drivers SOT762-1 QUAD BUFFER/DRIVER
| Specification | CD4050 | 74HC245 |
|---|---|---|
| Function | Hex buffer (non-inverting) | Octal bus transceiver (bi-directional) |
| Logic Family | CMOS (CD4000 series) | HC (High-speed CMOS) |
| Number of Buffers | 6 (hex) | 8 (octal) |
| Direction Control | Unidirectional | Bi-directional with direction control |
| Voltage Range | 3V to 15V | 2V to 6V |
| Typical Operating Voltage | 5V, 10V, 15V | 5V |
| Input Voltage Tolerance | Up to 15V | Vcc + 0.5V (max) |
| Input Type | TTL/CMOS | CMOS/TTL compatible |
| Output Drive Capability | Moderate | High (up to ±35mA sink/source) |
| Output Type | CMOS push-pull | CMOS push-pull |
| Propagation Delay (at 5V) | ~200 ns | ~8 ns |
| Package Types | DIP, SOIC, etc. | DIP, SOIC, etc. |
| Use Case | Level shifting (e.g. 5V to 3.3V) | Bus interfacing, data buffering |
Summary:
CD4050 is ideal for *level shifting *and operates over a wide voltage range. It is tolerant of high-voltage inputs.
74HC245 is a high-speed bi-directional bus buffer, typically used for bus-oriented communication and interfacing between microcontrollers and peripherals.
1ch SINGLE BUFFER/DRIVER WITH OPEN DRAIN OUTPUT
74LVC1G07
SN74LVC1G07 – Single Buffer/Driver with Open-Drain Output
- SN74LVC1G07 Single Buffer/Driver With Open-Drain Output
SINGLE SCHMITT-TRIGGER INVERETER
74AHC1G14
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
SN74LVC2G04 Dual Inverter Gate
Inverter
SN74LVC1G14 Single Schmitt-Trigger Inverter - https://www.ti.com/lit/ds/symlink/sn74lvc1g14.pdf
74AHC1G125 – Single Bus Buffer Gate with 3-State Output
buffer
FAST CMOS OCTAL BUFFER/LINE DRIVER - IDT54/74FCT244/A/C