CD4056BE The RCA CD4056BE is a BCD to 7-Segment LCD Decoder/Driver with a strobed-latch function. It offers ultra-low-power display operation and on-chip logic-level conversion.
Mfr Part #:

CD4056BE

Available from 1 distributors
Mfr Name: RCA
RCA
The RCA CD4056BE is a BCD to 7-Segment LCD Decoder/Driver with a strobed-latch function. It offers ultra-low-power display operation and on-chip logic-level conversion.
✓ Total Stock: 2 pcs
$ Price Range: $0.50

CD4056BE Available from 1 distributor

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✓ Non-Authorised
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2 pcs
2 pcs On Request 1 On Request On Request On Request On Request On Request

CD4056BE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Operating Temperature Range
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CD4056BE Description

Short technical summary and product information.

The CD4056BE from RCA is a single-digit BCD-to-7-segment decoder/driver circuit designed for use with CMOS circuits and liquid-crystal displays (LCDs). This component provides ultra-low-power display operation and features an equivalent AC output drive for LCDs, eliminating the need for an external capacitor. It supports voltage doubling across the display, enabling effective drive voltages up to 36 V p-p when VDD - VEE is 18 V.

 

The device includes on-chip logic-level conversion, allowing BCD input signal swings to differ from the 7-segment output signal swings. It can decode all input combinations, including 0-9, L, H, P, A, -, and blank positions. The strobed-latch function is controlled by the DISPLAY-FREQUENCY (DF) input, which determines whether the selected segment outputs are low, high, or a square-wave output suitable for LCDs.

 

With an operating temperature range of -55 to 125°C, the CD4056BE is suitable for various applications. It is packaged in a 16-pin PDIP (N) through-hole configuration and comes in a standard package quantity of 25 units per tube. Key electrical characteristics include a maximum input current of 1 μA at 18V over the full temperature range and noise margins of up to 2.5V at 15V.

 

Applications for the CD4056BE include general-purpose displays, calculators, meters, wall and table clocks, industrial control panels, portable lab instruments, panel meters, auto dashboard displays, and appliance control panels.

CD4056BE Quick Information

Product Type: BCD to 7-Segment LCD Decoder/Driver
Canonical Name: CD4056B BCD to 7-Segment LCD Decoder/Driver with Strobed-Latch Function
Subcategory: BCD to 7-Segment LCD

CD4056BE Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CD4056BE Estimated Pricing

Qty Low High
1+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

CD4056BE Features

  • BCD to 7-Segment LCD Decoder/Driver
  • Strobed-latch function included
  • Ultra-low-power display operation
  • On-chip logic-level conversion
  • Wide operating temperature range

CD4056BE Applications

  • General-purpose display driving
  • Calculator and meter displays
  • Industrial control panels
  • Portable instrument displays
  • Automotive dashboard displays

CD4056BE FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the CD4056BE?

The operating temperature range is -55 to 125°C.

What type of package is the CD4056BE in?

The CD4056BE is available in a PDIP (N) package.

What is the standard package quantity for the CD4056BE?

The standard package quantity is 25 units per tube.

What is the maximum input current for the CD4056BE?

The maximum input current is 1 μA at 18V over the full package-temperature range, and 100 nA at 18V and 25°C.

What is the noise margin of the CD4056BE at 10V?

The noise margin is 2V at V DD = 10V over the full package-temperature range.

Does the CD4056BE support voltage doubling for LCD displays?

Yes, it supports voltage doubling, for example, V DD - V EE = 18 V results in an effective 36 V p-p drive across selected display segments.

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