參數(shù)資料
型號： 74HCT245A
廠商： ON SEMICONDUCTOR
英文描述： Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs
文件頁數(shù)： 2/9頁
文件大?。?/td> 127K
代理商： 74HCT245A
MC74HCT245A
http://onsemi.com
2
Extended exposure to stresses above the Recommended Operating Conditions may affect device
reliability.
Derating — Plastic DIP: – 10 mW/ C from 65 to 125 C
SOIC Package: – 7 mW/ C from 65 to 125 C
TSSOP Package: 6.1 mW/ C from 65 to 125 C
For high frequency or heavy load considerations, see Chapter 2 of the ON Semiconductor
HighSpeed CMOS Data Book (DL129/D).
V
DC Supply Voltage (Referenced to GND)
– 0.5 to + 7.0
V
V
DC Input Voltage (Referenced to GND)
– 0.5 to V
+ 0.5
V
V
DC Output Voltage (Referenced to GND)
I
DC Input Current, per Pin
– 0.5 to V
+ 0.5
V
mA
mA
mA
mW
I
DC Output Current, per Pin
20
I
DC Supply Current, V
and GND Pins
35
P
Power Dissipation in Still Air, PDIP
75
(PDIP, SOIC, SSOP or TSSOP Package)
260
RECOMMENDED OPERATING CONDITIONS
Symbol
V
in
, V
out
A
Parameter
Min
Max
Unit
V
CC
r
f
DC Supply Voltage (Referenced to GND)
DC Input Voltage, Output Voltage
4.5
5.5
V
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this highimpedance cir-
cuit. For proper operation, V
in
and
V
out
should be constrained to the
range GND
(V
in
or V
out
)
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or V
CC
).
Unused outputs must be left open.
V
CC
.
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