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HD74BC574A Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – Octal D Type Flip Flops With 3 State Outputs | |||
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HD74BC574A
Logic Diagram
Output
Control
1D
DQ
1Q
CK
2D
DQ
2Q
CK
3D
DQ
3Q
CK
4D
DQ
4Q
CK
8D
DQ
8Q
CK
CK
Electrical Characteristics (Ta = â40°C to +85°C)
Item
Input voltage
Output voltage
Input diode voltage
Input current
Short circuit output current*1
Off state output current
Supply current
Symbol
VIH
VIL
VOH
VOL
VIK
II
IOS
IOZH
IOZL
ICCL
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
Min
2.0
â
2.4
2.0
â
â
â
â
â
â
â100
â
â
â
Max
â
0.8
â
â
0.4
0.5
â1.2
â250
1.0
100
â225
50
â50
29.5
Unit
V
V
V
V
V
V
V
µA
µA
µA
mA
µA
µA
mA
Test Conditions
IOH = â3 mA
IOH = â15 mA
IOL = 24 mA
IOL = 48 mA
IIN = â18 mA
VIN = 0 V
VIN = 5.5 V
VIN = 7.0 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
ICCH
5.5
â
2.5
mA
VIN = 0 or 5.5 V
All outputs is âHâ
ICCZ
5.5
â
2.5
mA
VIN = 0 or 5.5 V
All outputs is âZâ
ICCT*2
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.
Rev.3.00, Jul.16.2004, page 3 of 7
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