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74VHCT125A_04 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74VHCT125A_04
Description  QUAD BUS BUFFERS (3-STATE)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VHCT125A
2/12
Figure 2: Input Equivalent Circuit
Table 2: Pin Description
Table 3: Truth Table
X : Don‘t Care
Z : High Impedance
Table 4: Absolute Maximum Ratings
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
1) Output in OFF State
2) High or Low State
Table 3: RECOMMENDED OPERATING CONDITIONS
1) Output in OFF State
2) High or Low State
3) VIN from 0.8V to 2V
PIN N°
SYMBOL
NAME AND FUNCTION
1, 4, 10, 13
1G to 4G
Output Enable Inputs
2, 5, 9, 12
1A to 4A
Data Inputs
3, 6, 8, 11
1Y to 4Y
Data Outputs
7
GND
Ground (0V)
14
VCC
Positive Supply Voltage
AG
Y
XH
Z
LLL
HLH
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 (see note 1)
-0.5 to +7.0
V
VO
DC Output Voltage (see note 2)
-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)
300
°C
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
4.5 to 5.5
V
VI
Input Voltage
0 to 5.5
V
VO
Output Voltage (see note 1)
0 to 5.5
V
VO
Output Voltage (see note 2)
0 to VCC
V
Top
Operating Temperature
-55 to 125
°C
dt/dv
Input Rise and Fall Time (see note 3) (VCC = 5.0 ± 0.5V)
0 to 20
ns/V




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