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74AC125 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. 74AC125
Description  Quad Buffer with 3-STATE Outputs
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74AC125 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 2)
Recommended Operating
Conditions
Note 2: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, with-
out exception, to ensure that the system design is reliable over its power
supply, temperature, and output/input loading variables. Fairchild does not
recommend operation of FACT
¥ circuits outside databook specifications.
DC Electrical Characteristics for AC
Note 3: All outputs loaded; thresholds on input associated with output under test.
Note 4: Maximum test duration 2.0 ms, one output loaded at a time.
Note 5: Note: IIN and ICC@ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
Supply Voltage (VCC)
0.5V to 7.0V
DC Input Diode Current (IK)
VI 0.5V
20 mA
VI VCC  0.5V
20 mA
DC Input Voltage (VI)
0.5V to VCC  0.5V
DC Output Diode Current (IOK)
VO 0.5V
20 mA
VO VCC  0.5V
20 mA
DC Output Voltage (VO)
0.5V to VCC  0.5V
DC Output Source
or Sink Current (IO)
r50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)
r50 mA
Storage Temperature (TSTG)
65qC to 150qC
Junction Temperature (TJ)
PDIP
140
qC
Supply Voltage (VCC)
AC
2.0V to 6.0V
ACT
4.5V to 5.5V
Input Voltage (VI)0V to VCC
Output Voltage (VO)0V to VCC
Operating Temperature (TA)
40qC to 85qC
Minimum Input Edge Rate (
'V/'t)
AC Devices
VIN from 30% to 70% of VCC
VCC @ 3.3V, 4.5V, 5.5V
125 mV/ns
Minimum Input Edge Rate (
'V/'t)
ACT Devices
VIN from 0.8V to 2.0V
VCC @ 4.5V, 5.5V
125 mV/ns
Symbol
Parameter
VCC
TA 25qCTA 40qC to 85qC
Units
Conditions
(V)
Typ
Guaranteed Limits
VIH
Minimum HIGH Level
3.0
1.5
2.1
2.1
VOUT 0.1V
Input Voltage
4.5
2.25
3.15
3.15
V
or VCC  0.1V
5.5
2.75
3.85
3.85
VIL
Maximum LOW Level
3.0
1.5
0.9
0.9
VOUT 0.1V
Input Voltage
4.5
2.25
1.35
1.35
V
or VCC  0.1V
5.5
2.75
1.65
1.65
VOH
Minimum HIGH Level
3.0
2.99
2.9
2.9
Output Voltage
4.5
4.49
4.4
4.4
V
IOUT 50 PA
5.55.495.4
5.4
VIN VIL or VIH
3.0
2.56
2.46
IOH 12 mA
4.5
3.86
3.76
V
IOH 24 mA
5.5
4.86
4.76
IOH 24 mA (Note 3)
VOL
Maximum LOW Level
3.0
0.002
0.1
0.1
Output Voltage
4.5
0.001
0.1
0.1
V
IOUT 50 PA
5.5
0.001
0.1
0.1
VIN VIL or VIH
3.0
0.36
0.44
IOL 12 mA
4.5
0.36
0.44
V
IOL 24 mA
5.5
0.36
0.44
IOL 24 mA (Note 3)
IIN (Note 5) Maximum Input Leakage Current
5.5
r 0.1
r 1.0
PAVI VCC, GND
IOZ
Maximum 3-STATE Current
VI (OE) VIL, VIH
5.5
r 0.25
r 2.5
PAVI VCC, VGND
VO VCC, GND
IOLD
Minimum Dynamic
5.5
75
mA
VOLD 1.65V Max
IOHD
Output Current (Note 4)
5.5
75
mA
VOHD 3.85V Min
ICC (Note 5) Maximum Quiescent Supply Current
5.5
4.0
40.0
PAVIN VCC or GND


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