1. General description
The 74HC4094-Q100; 74HCT4094-Q100 is an 8-bit serial-in/serial or parallel-out shift register with
a storage register and 3-state outputs. Both the shift and storage register have separate clocks.
The device features a serial input (D) and two serial outputs (QS1 and QS2) to enable cascading.
Data is shifted on the LOW-to-HIGH transitions of the CP input. Data is available at QS1 on the
LOW-to-HIGH transitions of the CP input to allow cascading when clock edges are fast. The same
data is available at QS2 on the next HIGH-to-LOW transition of the CP input to allow cascading
when clock edges are slow. The data in the shift register is transferred to the storage register
when the STR input is HIGH. Data in the storage register appears at the outputs whenever the
output enable input (OE) is HIGH. A LOW on OE causes the outputs to assume a high-impedance
OFF-state. Operation of the OE input does not affect the state of the registers. Inputs include clamp
diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of
VCC.
This product has been qualified to the Automotive Electronics Council (AEC) standard Q100
(Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
• Automotive product qualification in accordance with AEC-Q100 (Grade 1)
• Specified from -40 °C to +85 °C and from -40 °C to +125 °C
• Complies with JEDEC standard JESD7A
• Input levels:
• For 74HC4094-Q100: CMOS level
• For 74HCT4094-Q100: TTL level
• Low-power dissipation
• ESD protection:
• MIL-STD-883, method 3015 exceeds 2000 V
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V (C = 200 pF; R = 0 Ω)
3. Applications
• Serial-to-parallel data conversion
• Remote control holding register