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DM74ALS646NT データシート(PDF) 3 Page - Fairchild Semiconductor

部品番号 DM74ALS646NT
部品情報  Octal 3-STATE Bus Transceiver and Register
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 2)
Note 2: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Note 3:
↑ = With reference to the LOW-to-HIGH transition of the respective clock.
Electrical Characteristics
over recommended free air temperature range
Note 4: For I/O ports the 3-STATE output currents (IOZH and IOZL) are included in the IIH and IIL parameters.
Supply Voltage
7V
Input Voltage
Control Inputs
7V
I/O Ports
5.5V
Operating Free-Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Typical
θ
JA
N Package
44.5
°C/W
M Package
80.5
°C/W
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
5
5.5
V
VIH
HIGH Level Input Voltage
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−15
mA
IOL
LOW Level Output Current
24
mA
fCLK
Clock Frequency
40
MHz
tW
Pulse Duration, Clocks LOW or HIGH
ns
tSU
Data Setup Time, A before CAB or B before CBA (Note 3)
10
ns
tH
Data Hold Time, A after CAB or B after CBA (Note 3)
0
ns
TA
Free Air Operating Temperature
70
°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
VIC
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.2
V
VOH
HIGH Level
VCC = 4.5V to 5.5V
IOH = −0.4 mA
VCC − 2
Output Voltage
VCC = Min
IOH = −3 mA
2.4
3.2
V
IOH = Max
2
VOL
LOW Level
VCC = Min
IOL = 12 mA
0.25
0.4
Output Voltage
IOL = 24 mA
0.35
0.5
V
IOL = 48 mA
0.35
0.5
II
Input Current at Maximum
VCC = Max
I/O Ports, VI = 5.5V
100
µA
Input Voltage
Control Inputs, VI = 7V
100
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V (Note 4)
20
µA
IIL
LOW Level
VCC = Max,
Control Inputs
−200
µA
Input Current
VI = 0.4V, (Note 4)
I/O Ports
−200
IO
Output Drive Current
VCC = Max, VO = 2.25V
−30
−112
mA
ICC
Supply Current
VCC = Max
Outputs HIGH
47
76
Outputs LOW
55
88
mA
Outputs Disabled
55
88


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