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PDF M74HC241HV Data sheet ( Hoja de datos )
| Número de pieza | M74HC241HV | |
| Descripción | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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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
1/10
1 page  
M54/M74HC240HV/241HV
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC CL
(V) (pF)
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
Value
-40 to 85 oC
74HC
Min. Max.
-55 to 125 oC
54HC
Min. Max.
Unit
tTLH Output Transition 2.0
tTHL Time
4.5 50
25 60 75 90
7 12 19 18 ns
6.0 6 10 13 15
tPLH Propagation
tPHL Delay Time
2.0
4.5 50
40 110 140 165
13 22 28 33 ns
6.0 11 19 24 28
2.0
4.5 150
52 135 170 205
17 27 34 41 ns
6.0 14 23 29 35
tPZL Output Enable
2.0
52 135 170 205
tPZH Time
4.5 50 RL = 1KΩ
17 27
34
41 ns
6.0 14 23 29 35
2.0 63 165 205 250
4.5 150 RL = 1KΩ
21 33
41
50 ns
6.0 18 28 35 43
tPLZ Output Disable
2.0
40 135 170 205
tPHZ Time
4.5 50 RL = 1KΩ
19 27
34
41 ns
6.0 15 23 29 35
CIN
COUT
Input Capacitance
Output
Capacitance
5 10 10 10 pF
10 pF
CPD (*) Power Dissipation
Capacitance
33
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC/8 (per circuit)
TEST CIRCUIT ICC (Opr.)
HC240HV
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet M74HC241HV.PDF ] | |
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