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M74HC4543M1R View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M74HC4543M1R
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HC4543M1R Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
M74HC4543
BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER
s HIGH SPEED:
tPD = 14ns (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 4543
DESCRIPTION
The M74HC4543 is an high speed CMOS
BCD-TO-7 SEGMENT DECODER WITH LCD
DRIVER fabricated with silicon gate C2MOS
technology.
This device consists of BCD-TO-7 segment
decoder with a BCD input latch and a 7-segment
driver for a liquid crystal display (LCD). When any
illegal BCD input signal is applied or input BI is
held high, the display is blanked. When driving
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
T&R
DIP
SOP
TSSOP
M74HC4543B1R
M74HC4543M1R M74HC4543RM13TR
M74HC4543TTR
LCDs, a common square wave signal should be
applied not only to the PH input of this device but
also to the electrically common backplane of the
display. For other types of readouts, such as
light-emitting diode (LED), some additional
drivers, such as a transistor array is required. All
inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/10
 

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