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HD74BC240A Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers With 3 State Outputs
HD74BC240A
Pin Arrangement
1G 1
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
GND 10
20 VCC
19 2G
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
(Top view)
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage
Input diode current
Input voltage
Output voltage
Off state output voltage
Storage temperature
VCC
IIK
VIN
VOUT
VOUT(off)
Tstg
–0.5 to +7.0
V
±30
mA
–0.5 to +7.5
V
–0.5 to +7.5
V
–0.5 to +5.5
V
–65 to +150
°C
Note: 1. 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.
Recommended Operating Conditions
Item
Symbol
Min
Typ
Max
Unit
Supply voltage
VCC
4.5
5.0
5.5
V
Input voltage
VIN
0
—
VCC
V
Output voltage
VOUT
0
—
VCC
V
Operating temperature
Topr
–40
—
85
°C
Input rise/fall time*1
tr, tf
0
—
8
Note: 1. This item guarantees maximum limit when one input switches.
ns/V
Waveform: Refer to test circuit of switching characteristics.
Rev.3.00, Jul.16.2004, page 2 of 8