CD4543 BCD to 7 Segment Decoder IC DIP-16 Package

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Brand: Generic | SKU: 3993900

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Description

CD4543 is a BCD-to-seven segment latch/decoder/driver designed primarily for liquid-crystal display (LCD) applications. It is also capable of driving light emitting diode (LED), incandescent, gas-discharge, and fluorescent displays. This device is functionally similar to and serves as direct replacement for the CD4056 when pin 7 is connected to VSS. It differs from the CD4056B in that it has a display blanking capability instead of a level-shifting function and requires only one power supply. When the CD4056 is used in the level shifting mode, two power supplies are required. When the CD4543 is used for LCD applications, a square wave must be applied to the PHASE input and the backplane of the LCD device. For LED applications a logic 1 is required at the PHASE input for common-cathode devices; a logic 0 is required for common-anode devices (see truth table). The CD4543B is supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

Features:-

Display blanking of all illegal input combinations
Latch storage of code
Capability of driving two low power TTL loads, two HTL loads, or one low power Schottky load over the full rated-temperature range
Pin-for-pin replacement for the CD4056B (with pin 7 tied to V _SS )
Direct LED driving capability
100% tested for quiescent current at 20 V
Maximum input current of 1 ÂµA at 18 V over full package-temperature range; 100 nA at 18 V and 25Â°C
Noise margin (full package-temperature range) =
1 V at V _DD = 5 V
2 V at V _DD = 10 V
2.5 V at V _DD = 15 V
5-V, 10-V, and 15-V parametric ratings
Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of â€™Bâ€™ Series CMOS Devices"
Applications:
- Instrument display driver
- Dashboard display driver
- Computer/calculator display driver
- Timing device driver (clocks, watches, timers)

Specifications:-

Parameter	Specification
Part number	CD4543B
Technology Family	CD4000
VCC (Min) (V)	3
VCC (Max) (V)	18
Bits (#)	7
Voltage (Nom) (V)	5, 10, 15
F @ nom voltage (Max) (MHz)	8
ICC @ nom voltage (Max) (mA)	0.3
tpd @ nom Voltage (Max) (ns)	400
IOL (Max) (mA)	1.5
IOH (Max) (mA)	-1.5
Function	Decoder
Type	Standard
Rating	See Data Sheet
Operating temperature range (C)	-55 to 125
Package Group	PDIP\|16
Configuration	04:07
Package size: mm2:W x L (PKG)	16PDIP: 181 mm2: 9.4 x 19.3 (PDIP\|16)
Digital input leakage (Max) (uA)	5
ESD CDM (kV)	0.75
ESD HBM (kV)	2