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HD74BC623A Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – Octal Bus Transceivers With 3 State Outputs | |||
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HD74BC623A
Logic Diagram
GBA
GAB
A1
B1
A2
B2
A3
B3
A8
B8
Electrical Characteristics (Ta = â40 to +85°C)
Item
Input voltage
Output voltage
Input diode voltage
Input current
Symbol
VIH
VIL
VOH
VOL
VIK
II
VCC (V)
4.5
4.5
4.5
4.5
4.5
5.5
5.5
5.5
5.5
Min
2.0
â
2.4
2.0
â
â
â
â
â
â
â
Max
â
0.8
â
â
0.5
0.55
â1.2
â250
1.0
100
100
Unit
V
V
V
V
V
V
V
µA
µA
µA
µA
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
Output short circuit current*1 IOS
Off state output current
IOZH
IOZL
Supply current
ICCL
5.5
â100 â225 mA
VIN = 0 or 5.5 V
5.5
â
â100 µA
VO = 2.7 V
5.5
â
â250 µA
VO = 0.5 V
5.5
â
31.5 mA
VIN = 0 or 5.5V
All outputs is âLâ
ICCH
5.5
â
500 µA
VIN = 0 or 5.5V
All outputs is âHâ
ICCZ
5.5
â
4.5
mA
VIN = 0 or 5.5V
All outputs is âZâ
ICCT*2
5.5
â
1.5
mA
VIN = 3.4 or 0.5V
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.
Rev.2.00, Jul.16.2004, page 3 of 7
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