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74LCX646 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. 74LCX646
Description  LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-STATE)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74LCX646 Datasheet(HTML) 6 Page - STMicroelectronics

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DC SPECIFICATIONS
DYNAMIC SWITCHING CHARACTERISTICS
1) Number of outputs defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is
measured in the LOW state.
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
-40 to 85 °C
-55 to 125 °C
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
2.7 to 3.6
2.0
2.0
V
VIL
Low Level Input
Voltage
0.8
0.8
V
VOH
High Level Output
Voltage
2.7 to 3.6
IO=-100 µAVCC-0.2
VCC-0.2
V
2.7
IO=-12 mA
2.2
2.2
3.0
IO=-18 mA
2.4
2.4
IO=-24 mA
2.2
2.2
VOL
Low Level Output
Voltage
2.7 to 3.6
IO=100 µA
0.2
0.2
V
2.7
IO=12 mA
0.4
0.4
3.0
IO=16 mA
0.4
0.4
IO=24 mA
0.55
0.55
II
Input Leakage
Current
2.7 to 3.6
VI = 0 to 5.5V
± 5
± 5
µA
Ioff
Power Off Leakage
Current
0
VI or VO = 5.5V
10
10
µA
IOZ
High Impedance
Output Leakage
Current
2.7 to 3.6
VI = VIH or VIL
VO = 0 to VCC
± 5
± 5
µA
ICC
Quiescent Supply
Current
2.7 to 3.6
VI = VCC or GND
10
10
µA
VI or VO= 3.6 to 5.5V
± 10
± 10
∆I
CC
ICC incr. per Input
2.7 to 3.6
VIH = VCC - 0.6V
500
500
µA
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25 °C
Min.
Typ.
Max.
VOLP
Dynamic Low Level Quiet
Output (note 1)
3.3
CL = 50pF
VIL = 0V, VIH = 3.3V
0.8
V
VOLV
-0.8


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