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M54HC7240 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. M54HC7240
Description  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC7240 Datasheet(HTML) 1 Page - STMicroelectronics

 
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M54HC7240/7241/7244
M74HC7240/7241/7244
October 1993
HC7240: INVERTED - HC7241/7244 NON INVERTED
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS
B1R
(Plastic Package)
ORDER CODES :
M54HCXXXXF1R
M74HCXXXXM1R
M74HCXXXXB1R
M74HCXXXXC1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTION (top view)
.
HIGH SPEED
tPD = 15 ns (TYP.) at VCC =5V
.
LOW POWER DISSIPATION
ICC =4
µA (MAX.) at TA =25 oC
.
HIGH NOISE IMMUNITY
VH = 1.1 V(TYP.) at VCC =5V
.
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
|IOH|= IOL = 6 mA (MIN)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2V to 6V
.
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS240/241/244
DESCRIPTION
The M54/74HC7240, HC7241 and HC7244 are high
speed CMOS OCTAL BUS BUFFERs fabricated in
silicon gate C
2MOS 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
control)
input,
and
complementary G and G inputs. Each control input
governs four BUS BUFFERs.
The HC7240, HC7241 and HC7244 have the same
pin configuration and function as the HC240, HC241
and
HC244
and
they
have
a
hysteresis
characteristics with each input so can be used as a
line receiver, etc.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
HC7244
HC7241
HC7240
1/12


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