CD4543 BCD-to-Seven Segment Latch/Decoder/Driver
Designed for LCD and LED displays with display blanking capability
- Part number: CD4543B
- Technology Family: CD4000
- VCC (Min): 3V
- VCC (Max): 18V
- Bits (#): 7
- Voltage (Nom): 5, 10, 15V
- F @ nom voltage (Max): 8MHz
- ICC @ nom voltage (Max): 0.3mA
- tpd @ nom Voltage (Max): 400ns
- IOL (Max): 1.5mA
- IOH (Max): -1.5mA
- 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
Top Features:
- Display blanking of illegal input combinations
- Latch storage of code
- Direct LED driving capability
- Pin-for-pin replacement for CD4056B
CD4543 is a versatile latch/decoder/driver suitable for various display applications. It offers display blanking for illegal input combinations and direct LED driving capability. The device can drive different types of displays including LCD, LED, incandescent, gas-discharge, and fluorescent displays.
For LCD applications, a square wave must be applied to the PHASE input and the LCD device's backplane. For LED applications, the PHASE input logic differs based on the type of LED device (common-cathode or common-anode).
With a wide operating temperature range and low power consumption, the CD4543 is ideal for instrument displays, dashboard displays, computer/calculator displays, and timing devices.
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Images are for illustration only; actual product may vary.