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STMicroelectronics Electronic Components Datasheet

74V2T126 Datasheet

DUAL BUS BUFFER

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74V2T126
DUAL BUS BUFFER (3-STATE)
s HIGH SPEED: tPD = 3.8ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
www.DataSheet4U.csomICCOC M=P1AµTAI(BMLAEXW.)IaTtHTATT=L2O5°UCTPUTS:
VIH = 2V (MIN), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 4.5V to 5.5V
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74V2T126 is an advanced high-speed CMOS
DUAL BUS BUFFER fabricated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology.
3-STATE control input nG has to be set LOW to
place the output into the high impedance state.
SOT23-8L
ORDER CODES
PACKAGE
SOT23-8L
T&R
74V2T126STR
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 3V to 5V systems
and it is ideal for portable applications like
personal digital assistant, camcorder and all
battery-powered equipment.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them ESD immunity and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 2003
1/8


STMicroelectronics Electronic Components Datasheet

74V2T126 Datasheet

DUAL BUS BUFFER

No Preview Available !

74V2T126
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 7
2, 5
3, 6
4
8
SYMBOL
1G, 2G
1A, 2A
2Y, 1Y
GND
VCC
NAME AND FUNCTION
Output Enable Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
www.DataSheet4U.com
TRUTH TABLE
nA
X
L
H
X: "H" or "L"
Z: High Impedance
nG
L
H
H
nY
Z
L
H
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
20
mA
IOK DC Output Diode Current
20
mA
IO DC Output Current
± 25
mA
ICC or IGND DC VCC or Ground Current
± 50
mA
Tstg Storage Temperature
-65 to +150
°C
TL Lead Temperature (10 sec)
260 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature
dt/dv Input Rise and Fall Time (note 1) (VCC = 5.0 ± 0.5V)
1) VIN from 0.8V to 2V
Value
4.5 to 5.5
0 to 5.5
0 to VCC
-55 to 125
0 to 20
Unit
V
V
V
°C
ns/V
2/8


Part Number 74V2T126
Description DUAL BUS BUFFER
Maker STMicroelectronics
Total Page 8 Pages
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