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HCF4527B 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 HCF4527B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 HCF4527B 기능
기능 BCD RATE MULTIPLEXER
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


HCF4527B 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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HCF4527B 데이터시트, 핀배열, 회로
. CASCADABLE IN MULTIPLES OF 4-BITS
. SET TO 9 INPUT AND 9 DETECT OUTPUT
. QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE
. STANDARDIZED SYMMETRICAL OUTPUT
CHARACTERISTICS
. 5V, 10V AND 15V PARAMETRIC RATINGS
. INPUT CURRENT OF 100nA AT 18V AND 25oC
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD N. 13A, ” STANDARD
SPECIFICATIONS FOR DESCRIPTION OF B
SERIES CMOS DEVICES ”
HCC4527B
HCF4527B
BCD RATE MULTIPLEXER
EY
(Plastic Package)
F
(Ceramic Package)
C1
(Chip Carrier)
ORDER CODES :
HCC4076BF
H CF 4076 BE Y
H CF 4076 BC 1
PIN CONNECTIONS
DESCRIPTION
The HCC4527B (extended temperature range) and
HCF4527B (intermediate temperature range) are
monolithic integrated circuit, available in 16-lead
dual in line plastic or ceramic package.
The HCC/HCF4527B is a low power 4 bit digital rate
multiplier that provides an output pulse rate which is
the clock input pulse rate multiplied by 1/10 times the
BCD input. For example, when the BCD input is 8,
there will be 8 output pulses for every 10 input
pulses. This device may be used to preform arith-
metic operations (add, subtract, divide, raise to a
power), solve algebraic and differential equations,
generate naturel logarithms and trigonometric func-
September 1990
1/13




HCF4527B pdf, 반도체, 판매, 대치품
HCC/HCF4527B
TRUTH TABLE
Inputs
Number of Pulsed or Logic Level
(0 = Low; 1 = High; X = Don’t Care)
D C B A CLK INH IN STR CAS CLR SET
0 0 0 0 10
0
0
0
0
0 0 0 1 10
0
0
0
0
0 0 1 0 10
0
0
0
0
0 0 1 1 10
0
0
0
0
0 1 0 0 10
0
0
0
0
0 1 0 1 10
0
0
0
0
0 1 1 0 10
0
0
0
0
0 1 1 1 10
0
0
0
0
1 0 0 0 10
0
0
0
0
1 0 0 1 10
0
0
0
0
1 0 1 0 10
0
0
0
0
1 0 1 1 10
0
0
0
0
1 1 0 0 10
0
0
0
0
1 1 0 1 10
0
0
0
0
1 1 1 0 10
0
0
0
0
1 1 1 1 10
0
0
0
0
X X X X 10
1
0
0
0
X X X X 10
0
1
0
0
X X X X 10
0
0
1
0
1 X X X 10
0
0
0
1
0 X X X 10
0
0
0
1
X X X X 10
0
0
0
0
q Output same as the first 16 lines of this truth table (depending on value of A, B, C, D)
s Depends on internal state of counter.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Outputs
Number of Pulses or Output
Logic Level
(L = LOW; H = High)
OUT
OUT
INH
OUT
”9”
OUT
LH11
1111
2211
3311
4411
5511
6611
7711
8811
9911
8811
9911
8811
9911
8811
9911
ss H s
LH11
Hq1 1
10 10
H
L
L HH L
LHLH
4/13

4페이지










HCF4527B 전자부품, 판매, 대치품
HCC/HCF4527B
DYNAMIC ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
tR Inhibit Input Removal Time
tR Set Remova Time
tR Clear Removal Time
Test Conditions
VDD (V)
5
10
15
5
10
15
5
10
15
Min.
240
130
110
150
80
50
60
40
30
Value
Typ.
120
65
55
75
40
25
30
20
15
Max.
Unit
ns
ns
ns
APPLICATION NOTE
For fractional multipliers with more than one digit,
HCC/HCF4527B devices may be cascated in two
different modes: the Add mode and the Mltiply mode
(see figures 1 and 2).
When two units are cascated in Add mode and pro-
grammed to 9 and 4 respectively, the more signifi-
cant unit will have 9 output pulses for every 10 input
pulses and the other unit will have 4 output pulses
for every 100 input pulses for a total of:
9
10
+
4
100
=
94
100
In the multiply mode, the fraction programmed into
the first rate multiplier is multiplied by the fraction
programmed into the second one:
If N1 = 9 and N2 = 4
fout2
=
4
10
fout1
fout1
=
9
10
fclock
fout2
=
4
10
×
9
10
fclock
=
36
100
fclock
Therefore 36 output pulses for every 100 clock input
pulses.
7/13

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관련 데이터시트

부품번호상세설명 및 기능제조사
HCF4527B

BCD RATE MULTIPLEXER

STMicroelectronics
STMicroelectronics

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