Datasheet > M74HC4543M1R

M74HC4543M1R

更新时间： 2024-11-02 22:15:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		解码器驱动器锁存器
页数	文件大小	规格书
12页	259K
描述
BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER

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中文翻译

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数据手册

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M74HC4543M1R 数据手册

M54HC4543

M74HC4543

BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER

HIGH SPEED

t_W= 7 ns (TYP.) AT V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) AT T_A= 25 °C

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

|I_OH| = I_OL= 4 mA (MIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

B1R

(Plastic Package)

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE

WITH 4543B

ORDER CODES :

M54HC4543F1R

M74HC4543B1R

M74HC4543M1R

M74HC4543C1R

PIN CONNECTIONS (top view)

DESCRIPTION

The M54/74HC4543 is a high speed CMOS BCD-

TO-7 SEGMENT DECODER WITH LCD DRIVER

fabricated in silicon gate C²MOS technology. High

speed latch and decode operation 120 times as fast

as standard CMOS 4511B while CMOS low power

consumption in maintained. This device consist 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 isblanked. When

driving LCDs, a common square wavesignal should

be applied not only to the PH input of this device but

also to the electrically common backplane of the dis-

play. For other types of readouts, such as light-emit-

ting 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.

NC =

No Internal

Connection

February 1993

1/12

12 3 4 5 6 7...12

中文翻译

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