TC74VHCT08AFK Просмотр технического описания (PDF) - Toshiba
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TC74VHCT08AFK Datasheet PDF : 8 Pages
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Pin Assignment
TC74VHCT08AF/AFT/AFK
IEC Logic Symbol
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
(top view)
Truth Table
A
B
Y
L
L
L
L
H
L
H
L
L
H
H
H
14 VCC
13 4B
12 4A
11 4Y
10 3B
9 3A
8 3Y
1A (1)
&
1B (2)
2A (4)
2B (5)
3A (9)
3B (10)
4A (12)
4B (13)
(3) 1Y
(6) 2Y
(8) 3Y
(11) 4Y
Absolute Maximum Ratings (Note 1)
Characteristics
Symbol
Rating
Unit
Supply voltage range
DC input voltage
DC output voltage
Input diode current
Output diode current
DC output current
DC VCC/ground current
Power dissipation
Storage temperature
VCC
VIN
VOUT
IIK
IOK
IOUT
ICC
PD
Tstg
−0.5 to 7.0
V
−0.5 to 7.0
V
−0.5 to 7.0
(Note 2)
V
−0.5 to VCC + 0.5 (Note 3)
−20
mA
±20
(Note 4) mA
±25
mA
±50
mA
180
mW
−65 to 150
°C
Note 1:
Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Note 2: VCC = 0 V
Note 3: High or low state. IOUT absolute maximum rating must be observed.
Note 4: VOUT < GND, VOUT > VCC
2
2012-02-29
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