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HD74BC245A Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – Octal Bus Transceivers With 3 State Outputs
HD74BC245A
Electrical Characteristics (Ta = –40°C to +85°C)
Item
Input voltage
Output voltage
Input diode voltage
Input current
Symbol
VIH
VIL
VOH
VOL
VIK
II
Short circuit output current*1 IOS
Off state output current
I OZH
I OZL
Supply current
I CCL
VCC(V)
4.5
4.5
4.5
4.5
4.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
Min
2.0
—
2.4
2.0
—
—
—
—
—
—
—
–100
—
—
—
Max
—
0.8
—
—
0.5
0.55
–1.2
–250
100
1.0
100
–225
–100
–250
31.5
Unit
V
V
V
V
V
V
V
µA
µA
µA
µA
mA
µA
µA
mA
Test Conditions
IOH = –3 mA
IOH = –15 mA
IOL = 48 mA
IOL = 64 mA
IIN = –18 mA
VIN = 0 V
An or Bn, VIN = 5.5 V
DiR or G, VIN = 5.5 V
DiR or G, VIN = 7.0 V
VO = 0 V, VIN = 5.5 V
VO = 2.7 V
VO = 0.5 V
VIN = 0 or 5.5 V
All outputs is “L”
I CCH
5.5
—
0.5
mA
VIN = 0 or 5.5 V
All outputs is “H”
I CCZ
5.5
—
4.5
mA
VIN = 0 or 5.5 V
All outputs is “Z”
I
*2
CCT
5.5
—
1.5
mA
VIN = 3.4 or 0.5 V
Notes : 1. Not more than one output should be shorted at a time and duration of the short circuit should not
exceed one second.
2. When input by the TTL level, it shows ICC increase at per one input pin.
4