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PDF 74LX1G126 Data sheet ( Hoja de datos )
| Número de pieza | 74LX1G126 | |
| Descripción | SINGLE BUS BUFFER (3-STATE) | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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74LX1G126
SINGLE BUS BUFFER (3-STATE)
s 5V TOLERANT INPUTS
s HIGH SPEED: tPD = 4.5ns (MAX.) at VCC = 3V
s LOW POWER DISSIPATION:
ICC = 1µA (MAX.) at TA = 25°C
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24mA (MIN) at VCC = 3V
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 1.65V to 5.5V
(1.2V Data Retention)
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74LX1G126 is a low voltage CMOS SINGLE
BUS BUFFER fabricated with sub-micron silicon
gate and double-layer metal wiring C2MOS
technology.
3-STATE control input G has to be set LOW to
place the output into the high impedance state.
SOT23-5L
SOT323-5L
ORDER CODES
PACKAGE
SOT23-5L
SOT323-5L
T&R
74LX1G126STR
74LX1G126CTR
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against static discharge.
PIN CONNECTION AND IEC LOGIC SYMBOLS
April 2004
1/12
1 page  
74LX1G126
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
CL RL ts = tr
(pF) (Ω) (ns)
tPLH tPHL Propagation Delay
Time
1.65 to 1.95
2.3 to 2.7
3.0 to 3.6
15
1MΩ 3.0
4.5 to 5.5
1.65 to 1.95 30 1000 2.0
2.3 to 2.7 30 500 2.0
2.7 50 500 2.5
3.0 to 3.6 50 500 2.5
4.5 to 5.5 50 500 2.5
tPLZ tPHZ Output Disable Time 1.65 to 1.95
2.3 to 2.7
3.0 to 3.6
15 1MΩ 3.0
4.5 to 5.5
1.65 to 1.95 30 1000 2.0
2.3 to 2.7 30 500 2.0
2.7 50 500 2.5
3.0 to 3.6 50 500 2.5
4.5 to 5.5 50 500 2.5
tPZL tPZH Output Enable Time 1.65 to 1.95
2.3 to 2.7
3.0 to 3.6
15 1MΩ 3.0
4.5 to 5.5
1.65 to 1.95 30 1000 2.0
2.3 to 2.7 30 500 2.0
2.7 50 500 2.5
3.0 to 3.6 50 500 2.5
4.5 to 5.5 50 500 2.5
-40 to 85 °C
Min.
2
2
1
1
2
2
1
1
1
2
2
1
1
2
2
1
1
1
2
2
1
1
2
2
1
1
1
Max.
12.0
7.0
4.7
4.1
8.0
5.5
5.2
4.5
4.0
12.0
7.0
5.5
5.0
9.8
6.0
5.7
5.5
4.2
12.0
7.0
6.0
5.5
9.4
6.6
5.6
5.3
5.0
-55 to 125 °C
Min.
2
2
1
1
2
2
1
1
1
2
2
1
1
2
2
1
1
1
2
2
1
1
2
2
1
1
1
Max.
12.0
7.0
4.7
4.1
8.0
5.5
5.2
4.5
4.0
12.0
7.0
5.5
5.0
9.8
6.0
5.7
5.5
4.2
12.0
7.0
6.0
5.5
9.4
6.6
5.6
5.3
5.0
Unit
ns
ns
ns
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25 °C
Min. Typ. Max.
Unit
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
(note 1)
1.8
2.5
3.3
VIN = 0 or VCC
VIN = 0 or VCC
fIN = 10MHz
4 pF
5 10 pF
18
18 pF
21
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC
5/12
5 Page 
DIM.
A
C
D
N
T
Ao
Bo
Ko
Po
P
74LX1G126
Tape & Reel SOT323-xL MECHANICAL DATA
MIN.
175
12.8
20.2
59.5
3.9
3.8
mm.
TYP
180
13
60
2.25
2.7
1.2
4
4
MAX.
185
13.2
60.5
14.4
4.1
4.2
MIN.
6.889
0.504
0.795
0.153
0.149
inch
TYP.
7.086
0.512
2.362
0.088
0.106
0.047
0.157
0.157
MAX.
7.283
0.519
0.567
0.161
0.165
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet 74LX1G126.PDF ] | |
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