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參數(shù)資料
| 型號： | HCF4018BM1 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | PRESETTABLE DIVIDE-BY-N COUNTER |
| 中文描述： | 預(yù)置分頻氮計數(shù)器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 282K |
| 代理商： | HCF4018BM1 |
HCC/HCF40182B
June1989
LOOK-AHEAD CARRY GENERATOR
.
GENERATES HIGH-SPEED CARRY ACROSS
FOUR ADDERSOF ADDER GROUPS
.
HIGH-SPEED OPERATIONAL : t
PHL
= t
PLH
=
100ns(typ.) @ V
DD
= 10V
.
CASCADABLE FOR FAST CARRIES OVER N
BITS
.
DESIGNED FORUSE WITH
HCC/HCF40181B
QUIESCENT CURRENT SPECIFIED AT 20V
FOR HCC DEVICE
.
5V, 10V, AND 15V PARAMETRIC RATINGS
.
INPUT CURRENTOF100nA AT18V AND 25
°
C
FOR HCC DEVICE
.
100% TESTEDFOR QUIESCENTCURRENT
.
MEETSALLREQUIREMENTSOFJEDECTEN-
TATIVESTANDARDN
°
13A,”STANDARDSPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIESCMOS DEVICES”
ALU
.
STANDARDIZED, SYMMETRICAL OUTPUT
CHARACTERISTICS
DESCRIPTION
The
HCC40182B
(extended temperature range)
and
HCF40182B
(intermediate temperature range)
are monolithic integrated circuits, available in 16-
lead dual in-line plastic or ceramic package and
plastic micro package. The
HCC/HCF40182B
is a
high-speed look-ahead carry generator capable of
anticipating a carry across four binary adders or
groupsofadders. The
HCC/HCF40182B
iscascad-
able to perform fulllook-ahead across n-bit adders.
Carry, propagate-carry, and generate-carry func-
tions are provided as enumerated in the terminal
designation below. The
HCC/HCF40182B
, when
used in conjunction with the
HCC/HCF40181B
arithmetic logic unit (ALU), provides fullhigh-speed
look-ahead carry capability for up to n-bit words.
Each
HCC/HCF40182B
generates the look-ahead
(anticipated carry) across a group of four ALU’s. In
addition, other
HCC/HCF40182B
’s may be em-
playedto anticipate the carry across sections of four
look-ahead blocksupton-bits. Carryinputsand out-
puts of the
HCC/HCF40181B
are active-high logic,
andcarry-generate (G)andcarry-propagate (P) out-
putsare activelow.Therefore theinputsand outputs
of the
HCC/HCF40182B
are compatible. The
HCC/HCF40182B
is similar to industry type
MC14582.
EY
(Plastic Package)
F
(CeramicFritSeal Package)
C1
(Plastic Chip Carrier)
ORDERCODES :
HCC40182BFHCF4018
2BM1
PIN CONNECTIONS
M1
(Micro Package)
1/12
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HCF40182BC1 | Look-Ahead Carry Generator |
| HCF40182BEY | Look-Ahead Carry Generator |
| HCF4018 | PRESETTABLE DIVIDE-BY-N COUNTER |
| HCF4018BEY | PRESETTABLE DIVIDE-BY-N COUNTER |
| HCF4018BC1 | PRESETTABLE DIVIDE-BY-N COUNTER |
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