MC74VHCT126A(2011) Ver la hoja de datos (PDF) - ON Semiconductor
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MC74VHCT126A Datasheet PDF : 7 Pages
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MC74VHCT126A
A1
2
OE1
1
5
A2
OE2
4
9
A3
OE3 10
12
A4
OE4 13
3
Y1
6
Y2
8 Y3
11
Y4
Figure 1. LOGIC DIAGRAM
Active−High Output Enables
OE1 1
A1 2
Y1 3
OE2 4
A2 5
Y2 6
GND 7
14 VCC
13 OE4
12 A4
11 Y4
10 OE3
9 A3
8 Y3
Figure 2. PIN ASSIGNMENT
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Rating
Symbol
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Supply Voltage
VCC
– 0.5 to + 7.0
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Input Voltage
Vin
– 0.5 to + 7.0
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Output Voltage
Output in 3−State Vout
– 0.5 to + 7.0
V
High or Low State
– 0.5 to VCC + 0.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Input Diode Current
IIK
− 20
mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Diode Current (VOUT < GND; VOUT > VCC)
IOK
± 20
mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Output Current, per Pin
Iout
± 25
mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Supply Current, VCC and GND Pins
ICC
± 75
mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Power Dissipation in Still Air, SOIC Packages†
PD
TSSOP Package†
500
mW
450
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Storage Temperature
Tstg
– 65 to + 150
_C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ratings only. Functional operation above the Recommended Operating Conditions is not implied.
Extended exposure to stresses above the Recommended Operating Conditions may affect device
reliability.
†Derating — SOIC Packages: – 7 mW/_C from 65_ to 125_C
TSSOP Package: − 6.1 mW/_C from 65_ to 125_C
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high−impedance cir-
cuit. For proper operation, Vin and
Vout should be constrained to the
range GND v (Vin or Vout) v VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
RECOMMENDED OPERATING CONDITIONS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Parameter
Symbol Min
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Supply Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Input Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ DC Output Voltage
VCC
4.5
Vin
0
Output in 3−State Vout
0
High or Low State
0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Operating Temperature
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Input Rise and Fall Time
TA
VCC = 5.0 V ±0.5 V
tr, tf
− 40
0
Max
5.5
5.5
5.5
VCC
+ 85
20
Unit
V
V
V
_C
ns/V
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