HD74HCT240 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs)

HD74HCT240
Pin Arrangement
Logic Diagram
Input A
1G 1
1A₁ 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
GND 10
(Top view)
20 VCC
19 2G
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
To three other
Inverters
VCC
Y
One of 8
Inverters
Strobe G
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
V_CC
–0.5 to 7.0
V
Input / Output voltage
V_IN, V_OUT
–0.5 to V_CC +0.5
V
Input / Output diode current
I_IK, I_OK
±20
mA
Output current
I_O
±35
mA
V_CC, GND current
I_CC or I_GND
±75
mA
Power dissipation
Storage temperature
P_T
500
mW
Tstg
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Rev.2.00 Mar 30, 2006 page 2 of 6