74HC4094 Datasheet – 8-stage Shift-and-store Bus Register

Part Number : 74HC4094

Function : 8-stage shift-and-store bus register

Manufacturers : NXP Semiconductors.

Pinouts :

74HC4094 datasheet

Description :

The 74HC4094, 74HCT4094 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 tointerface inputs to voltages in excess of Vcc.

Other data sheets within the file :

74HC4094D, 74HC4094DB, 74HC4094N, 74HC4094PW

74HC4094 Datasheet PDF Download

74HC4094 pdf

BB901 Datasheet PDF – 28V, VHF Variable Capacitance Diode

Part Number : BB901

Function : VHF Variable Capacitance Diode

Package : SOT-23 Type

Manufacturers : Philips Electronics

Pinouts :

BB901 datasheet


Description :

The BB901 is a variable capacitance diode, fabricated in planar technology, and encapsulated in the SOT23 small plastic SMD package.


1. Excellent linearity
2. Small plastic SMD package
3. C28: 1 pF; ratio: 13.5

Absolute Maximum Rating

1. continuous reverse voltage : VR = 28 V
2. continuous forward current : IF = 20 mA


1. Electronic tuning in satellite tuners
2. Tunable coupling
3. VCO.

Other data sheets within the file : B901

BB901 Datasheet PDF Download

BB901 pdf