參數(shù)資料
型號(hào): HEF4543B
廠商: NXP Semiconductors N.V.
英文描述: BCD to 7-segment latch/decoder/driver(BCD-7段鎖存器/譯碼器/驅(qū)動(dòng)器)
中文描述: BCD碼至7段鎖存器/解碼器/驅(qū)動(dòng)器(的BCD - 7段鎖存器/譯碼器/驅(qū)動(dòng)器)
文件頁(yè)數(shù): 6/8頁(yè)
文件大?。?/td> 85K
代理商: HEF4543B
January 1995
6
Philips Semiconductors
Product specification
BCD to 7-segment latch/decoder/driver
HEF4543B
MSI
APPLICATION INFORMATION
Some examples of applications for the HEF4543B are:
Driving LCD displays.
Driving LED displays.
Driving fluorescent displays.
Driving incandescent displays.
Driving gas discharge displays.
V
DD
V
TYPICAL FORMULA FOR P (
μ
W)
Dynamic power
dissipation per
package (P)
5
2 200 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
10 400 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
33 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
where
f
i
= input freq. (MHz)
f
o
= output freq. (MHz)
C
L
= load capacitance (pF)
(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
10
15
Fig.6 Connection to common cathode LED display readout.
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