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參數資料
| 型號： | M54HC7241B1R |
| 廠商： | 意法半導體 |
| 英文描述： | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED |
| 中文描述： | 八路總線緩沖器與三態(tài)輸出HC7240：倒立- HC7241/7244非反相 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 270K |
| 代理商： | M54HC7241B1R |
M54HC7240/7241/7244
M74HC7240/7241/7244
October 1993
HC7240: INVERTED- HC7241/7244 NON INVERTED
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) at T
A
= 25
o
C
.
HIGH NOISE IMMUNITY
V
H
= 1.1V(TYP.) at V
CC
= 5V
.
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
|I
OH
| = I
OL
= 6 mA (MIN)
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2V to 6V
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS240/241/244
OCTAL BUS BUFFERWITH3 STATE OUTPUTS
B1R
(Plastic Package)
ORDER CODES :
M54HCXXXXF1R
M74HCXXXXB1R
M74HCXXXXM1R
M74HCXXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTION
(top view)
.
HIGH SPEED
t
PD
= 15 ns(TYP.) at V
CC
= 5V
DESCRIPTION
TheM54/74HC7240, HC7241andHC7244 arehigh
speed CMOSOCTAL BUS BUFFERs fabricated in
silicon gate C
2
MOS technology.
They have the same high speed performance of
LSTTL combined with true CMOS low power
consumption.
The designer has a choise of select combination of
inverting and non-inverting outputs, symmetrical G
(active
low
output
complementary G and G inputs. Each control input
control)
input,
and
governsfour BUS BUFFERs.
The HC7240, HC7241 and HC7244have the same
pinconfiguration andfunctionasthe HC240,HC241
and
HC244
and
they
characteristics with each input so canbe used as a
line receiver, etc.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
have
a
hysteresis
HC7244
HC7241
HC7240
1/12
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