74AHC574 查看數據表（PDF） - Philips Electronics
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74AHC574 Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type flip-flop; positive edge-trigger; 3-state
Product specification
74AHC574;
74AHCT574
RECOMMENDED OPERATING CONDITIONS
SYMBOL PARAMETER
VCC
VI
VO
Tamb
tr,tf (∆t/∆f)
DC supply voltage
input voltage
output voltage
operating ambient
temperature range
input rise and fall
times except for
Schmitt-trigger
inputs
CONDITIONS
see DC and AC
characteristics per device
VCC = 3.3 V ±0.3 V
VCC = 5 V ±0.5 V
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
−40 +25 +85 −40 +25 +85 °C
−40 +25 +125 −40 +25 +125 °C
−
−
100 −
−
−
ns/V
−
−
20 −
−
20 ns/V
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); voltages are referenced to GND (ground = 0 V).
SYMBOL
VCC
VI
IIK
IOK
IO
ICC
Tstg
PD
PARAMETER
DC supply voltage
input voltage range
DC input diode current
DC output diode current
DC output source or sink current
DC VCC or GND current
storage temperature range
power dissipation per package
CONDITIONS
VI < −0.5 V; note 1
VO < −0.5 V or VO > VCC + 0.5 V; note 1
−0.5 V < VO < VCC + 0.5 V
for temperature range: −40 to +125 °C;
note 2
MIN.
−0.5
−0.5
−
−
−
−
−65
−
MAX.
+7.0
+7.0
−20
±20
±25
±75
+150
500
UNIT
V
V
mA
mA
mA
mA
°C
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 Jun 16
6
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