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HD74BC620A Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Octal Bus Transceivers With 3 State Outputs | |||
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HD74BC620A
Electrical Characteristics (Ta = â40 to +85°C)
Item
Input voltage
Output voltage
Input diode voltage
Input current
Symbol
VIH
VIL
VOH
VOL
VIK
II
Output short circuit current*1 IOS
Off state output current
I OZH
I OZL
Supply current
I CCL
VCC (V) Min
2.0
Max Unit
â
V
â
0.8 V
4.5
2.4 â
V
4.5
2.0 â
V
4.5
â
0.5 V
4.5
â
0.55 V
4.5
â
â1.2 V
5.5
â
â250 µA
5.5
â
1.0 µA
5.5
â
100 µA
5.5
â
100 µA
5.5
â100 â225 mA
5.5
â
â100 µA
5.5
â
â250 µA
5.5
â
29.5 mA
Test Conditions
IOH = â3 mA
IOH = â15 mA
IOL = 48 mA
IOL = 64 mA
IIN = â18 mA
VIN = 0 V
GAB or GBA, VIN = 5.5 V
An or Bn, VIN = 5.5 V
GAB or GBA = 7 V
VIN = 0 or 5.5 V
VO = 2.7 V
VO = 0.5 V
VIN = 0 or 5.5 V
All outputs is âLâ
I CCH
5.5
â
2.5
mA
VIN = 0 or 5.5 V
All outputs is âHâ
I CCZ
5.5
â
4.5
mA
VIN = 0 or 5.5 V
All outputs is âZâ
I
*2
CCT
5.5
â
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
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