HC125 查看數據表（PDF） - Philips Electronics
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HC125 Datasheet PDF : 16 Pages
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Philips Semiconductors
Quad buffer/line driver; 3-state
Product specification
74AHC125; 74AHCT125
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC
VI
VO
Tamb
DC supply voltage
input voltage
output voltage
operating ambient temperature
range
tr,tf (∆t/∆f) input rise and fall rates
CONDITIONS
74AHC
74AHCT
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
2.0 5.0 5.5 4.5 5.0 5.5 V
0
−
5.5 0
−
5.5 V
0
−
VCC 0
−
VCC V
see DC and AC −40 +25 +85 −40 +25 +85 °C
characteristics per −40 +25 +125 −40 +25 +125 °C
device
VCC = 3.3 V ±0.3 V −
−
100 −
−
−
ns/V
VCC = 5 V ±0.5 V −
−
20 −
−
20
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
CONDITIONS
VCC
DC supply voltage
VI
input voltage range
IIK
DC input diode current
VI < −0.5 V; note 1
IOK
DC output diode current
VO < −0.5 V or VO > VCC + 0.5 V; note 1
IO
DC output source or sink current −0.5 V < VO < VCC + 0.5 V
ICC
DC VCC or GND current
Tstg
storage temperature range
PD
power dissipation per package for temperature range: −40 to +125 °C; note 2
MIN. MAX. UNIT
−0.5 +7.0 V
−0.5 +7.0 V
−
−20 mA
−
±20 mA
−
±25 mA
−
±75 mA
−65 +150 °C
−
500 mW
Notes
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. For SO packages: above 70 °C the value of PD derates linearly with 8 mW/K.
For TSSOP packages: above 60 °C the value of PD derates linearly with 5.5 mW/K.
1999 Sep 27
5
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