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M54HC240HV Datasheet(PDF) 1 Page - STMicroelectronics

Part No. M54HC240HV
Description  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC240HV Datasheet(HTML) 1 Page - STMicroelectronics

 
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M54HC240HV/241HV
M74HC240HV/241HV
April 1993
HC240HV: INVERTED - HC241HV NON INVERTED
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS
B1R
(Plastic Package)
ORDER CODES :
M54HCXXXHVF1R
M74HCXXXHVM1R
M74HCXXXHVB1R
F1R
(Ceramic Package)
M1R
(Micro Package)
PIN CONNECTION (top view)
.
HIGH SPEED
tPD = 12 ns (TYP.) at VCC =5V
.
LOW POWER DISSIPATION
ICC =4
µA (MAX.) at TA =25 oC
.
HIGH NOISE IMMUNITY
VNIH =VINL =28 % VCC (MIN.)
.
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
|IOH|= IOL = 6 mA (MIN)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
SAME FUNCTION OF HC240/241 PLUS HIGH
TO LOW LEVEL LOGIC CONVERSION CAPA-
BILITY
.
LATCH UP FREE OPERATION ALSO WHEN
VIH IS HIGHER THAN VCC
DESCRIPTION
The M54/74HC240HV and HC241HV 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.
Performing the same
function of their non HV
counterpart,
they
have
a
particularl
input
configuration which allows all inputs to be driven by
logic levels exceeding the supply voltage.
This makes them particularly suitable in systems
where mixed 3V/5V logic devices need to be
interfaced.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
NOTE: BOTH DEVICES DO NOT MEET 2KV ESD
RATING
HC241HV
HC240HV
1/10


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