High-output-sourcing capability............up to 25 mA
Input latches for BCD Code storage
Lamp Test and Blanking capability
7-segment outputs blanked for BCD input codes > 1001
100% tested for quiescent current at 20 V
Max. input current of 1 µA at 18 V, over full package-temperature range, 100 nA at 18 V and 25°C
5-V, 10-V, and 15-V parametric ratings
Applications
- Driving common-cathode LED displays
- Multiplexing with common-cathode LED displays
- Driving incandescent displays
- Driving low-voltage fluorescent displays

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CD4511B types are BCD-to-7-segment latch decoder drivers constructed with CMOS logic and n-p-n bipolar transistor output devices on a single monolithic structure. These devices combine the low quiescent power dissipation and high noise immunity features of RCA CMOS with n-p-n bipolar output transistors capable of sourcing up to 25 MA. This capability allows the CD4511B types to drive LED's and other displays directly.

Lamp Test (LT)\, Blanking (BL)\, and Latch Enable or Strobe inputs are provided to test the display, shut off or intensity-modulate it, and store or strobe a BCD code, respectively. Several different signals may be multiplexed and displayed when external multiplexing circuitry is used.

The CD4511B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (NSR suffix), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

These devices are similar to the type MC14511.

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Technical documentation

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	Type	Title	Date
*	Datasheet	CMOS BCD-to-7-Segment Latch Decoder Drivers datasheet (Rev. B)	Jun. 27, 2003
	Selection guide	Logic Guide (Rev. AB)	Jun. 12, 2017
	Application note	Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)	Dec. 02, 2015
	User guide	LOGIC Pocket Data Book (Rev. B)	Jan. 16, 2007
	Application note	Semiconductor Packing Material Electrostatic Discharge (ESD) Protection	Jul. 08, 2004
	User guide	Signal Switch Data Book (Rev. A)	Nov. 14, 2003
	More literature	Logic Cross-Reference (Rev. A)	Oct. 07, 2003
	Application note	Understanding Buffered and Unbuffered CD4xxxB Series Device Characteristics	Dec. 03, 2001

Design & development

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Reference designs

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