Overview
The HEF4094BT/C4118 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, manufactured by NXP USA Inc. This component is part of the HEF4000 series and is designed for use in a variety of digital logic applications. It features separate clocks for both the shift and storage registers, enabling flexible data manipulation and storage.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HEF4094BT | 3.0 - 15 | CMOS | ± 2.4 | 50 | 28 | 8 | medium | -40~85 | 89 | 8.1 | 48 | SO16 |
Key Features
- 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- Separate clocks for the shift and storage registers.
- Serial input (D) and two serial outputs (QS1 and QS2) for cascading.
- Data transfer from the shift register to the storage register on the HIGH state of the STR input.
- Output enable input (OE) to control the output state.
- Inputs include clamp diodes for voltage protection.
- CMOS low power dissipation and high noise immunity.
- Complies with JEDEC standard JESD 13-B.
- ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V.
Applications
The HEF4094BT/C4118 is suitable for various digital logic applications, including data storage and transfer systems, digital counters, and sequential logic circuits. It is particularly useful in scenarios where data needs to be shifted and stored in a controlled manner, such as in digital displays, communication systems, and industrial control systems.
Q & A
- What is the primary function of the HEF4094BT/C4118?
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 is the voltage range for the HEF4094BT/C4118?
The voltage range is from 3.0 V to 15.0 V. - How many bits does the HEF4094BT/C4118 handle?
The device handles 8 bits. - What type of logic does the HEF4094BT/C4118 use?
The device uses CMOS logic. - What is the maximum clock frequency for the HEF4094BT/C4118?
The maximum clock frequency is 28 MHz. - What is the operating temperature range for the HEF4094BT/C4118?
The operating temperature range is from -40 °C to +85 °C. - Does the HEF4094BT/C4118 have ESD protection?
Yes, it has ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V. - What package type is the HEF4094BT/C4118 available in?
The device is available in an SO16 (SOT109-1) package. - Is the HEF4094BT/C4118 RoHS compliant?
Yes, the device is RoHS compliant. - How does the output enable input (OE) function?
The output enable input (OE) controls the output state; a LOW on OE causes the outputs to assume a high-impedance OFF-state.
