Overview
The HEF4094BT-Q100118 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., now part of Nexperia. This integrated circuit is designed to handle data shifting and storage efficiently, making it a versatile component in various digital logic applications.
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) | Package name |
|---|---|---|---|---|---|---|---|---|---|
| HEF4094BT | 3.0 - 15 | CMOS | ± 2.4 | 50 | 28 | 8 | medium | -40~85 | SO16 |
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.
- Data transfer from shift register to storage register controlled by STR input.
- Output enable input (OE) controls output state without affecting register state.
- Inputs include clamp diodes for interfacing with higher voltages.
- Wide supply voltage range from 3.0 V to 15.0 V.
- CMOS low power dissipation.
- High noise immunity.
- Standardized symmetrical output characteristics.
- 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-Q100118 is commonly used in applications requiring data format conversion between serial and parallel formats. It is particularly useful in digital logic circuits, I/O expansion, and other scenarios where data needs to be shifted or stored efficiently. This component is also suitable for use in more complex integrated logic devices where discrete shift register functionality is required.
Q & A
- What is the primary function of the HEF4094BT-Q100118?
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 supply voltage range for the HEF4094BT-Q100118?
The supply voltage range is from 3.0 V to 15.0 V. - How many bits does the HEF4094BT-Q100118 handle?
The device handles 8 bits. - What type of logic does the HEF4094BT-Q100118 use?
The device uses CMOS logic. - What is the maximum frequency of operation for the HEF4094BT-Q100118?
The maximum frequency of operation is 28 MHz. - How does the device handle output states?
The device has 3-state outputs controlled by the output enable input (OE). - What is the package type for the HEF4094BT-Q100118?
The package type is SO16 (SOT109-1). - Does the HEF4094BT-Q100118 have ESD protection?
Yes, it has ESD protection exceeding 2000 V for HBM and 1000 V for CDM. - What are the operating temperature ranges for the HEF4094BT-Q100118?
The operating temperature ranges are from -40 °C to +85 °C and from -40 °C to +125 °C. - Can the HEF4094BT-Q100118 be cascaded?
Yes, it can be cascaded using the serial outputs QS1 and QS2.
