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M74HC241HV Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer M74HC241HV
Beschreibung OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 10 Seiten
M74HC241HV Datasheet, Funktion
M54HC240HV/241HV
M74HC240HV/241HV
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS
HC240HV: INVERTED - HC241HV NON INVERTED
. 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
B1R
(Plastic Package)
F1R
(Ceramic Package)
M1R
(Micro Package)
ORDER CODES :
M54HCXXXHVF1R M74HCXXXHVM1R
M 7 4H CX XXH VB1R
DESCRIPTION
The M54/74HC240HV and HC241HV are high
speed CMOS OCTAL BUS BUFFERs fabricated in
silicon gate C2MOS 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
PIN CONNECTION (top view)
HC240HV
HC241HV
April 1993
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M74HC241HV Datasheet, Funktion
M54/M74HC240HV/241HV
SWITCHING CHARACTERISTICS TEST CIRCUIT
HC240HV
HC241HV
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