Overview
The 74HC4094DB,112, produced by Nexperia USA Inc., is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. This device is part of the 74HC and 74HCT family, which are known for their low-power dissipation and high ESD protection. The 74HC4094DB,112 is designed to operate within a wide temperature range, from -40 °C to +85 °C, and up to +125 °C for certain specifications.
Key Specifications
| Parameter | Description |
|---|---|
| Type Number | 74HC4094DB |
| Package Name | SSOP16 (SOT338-1) |
| Input Levels | CMOS level for 74HC4094, TTL level for 74HCT4094 |
| Operating Temperature | -40 °C to +85 °C and up to +125 °C |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
| Clock Input | Data shifted on LOW-to-HIGH transitions of CP input |
| Output Enable | Output enable input (OE) controls 3-state outputs |
Key Features
- 8-bit serial-in/serial or parallel-out shift register with a storage register
- 3-state outputs
- Separate clocks for shift and storage registers
- Serial input (D) and two serial outputs (QS1 and QS2) for cascading
- Low-power dissipation
- High ESD protection: HBM and CDM compliant
- Complies with JEDEC standard JESD7A
- Inputs include clamp diodes for voltage protection
Applications
- Serial-to-parallel data conversion
- Remote control holding register
- LED matrix displays
Q & A
- What is the primary function of the 74HC4094DB,112? The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- What are the input levels for the 74HC4094 and 74HCT4094? The 74HC4094 uses CMOS level inputs, while the 74HCT4094 uses TTL level inputs.
- What is the operating temperature range for the 74HC4094DB,112? The device operates from -40 °C to +85 °C and up to +125 °C for certain specifications.
- What kind of ESD protection does the 74HC4094DB,112 have? It has HBM protection exceeding 2000 V and CDM protection exceeding 1000 V.
- How does the clock input affect the shift register? Data is shifted on the LOW-to-HIGH transitions of the CP input.
- What is the purpose of the output enable input (OE)? The OE input controls the 3-state outputs, setting them to high-impedance OFF-state when LOW.
- Can the 74HC4094DB,112 be cascaded? Yes, it has two serial outputs (QS1 and QS2) to enable cascading.
- What standards does the 74HC4094DB,112 comply with? It complies with the JEDEC standard JESD7A.
- What kind of voltage protection does the device have? The inputs include clamp diodes to interface with voltages in excess of VCC.
- What are some common applications of the 74HC4094DB,112? Common applications include serial-to-parallel data conversion, remote control holding registers, and LED matrix displays.
