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Fairchild |
April 1988
Revised August 1999
74F27
Triple 3-Input NOR Gate
General Description
This device contains three independent gates, each of
which performs the logic NOR function.
Ordering Code:
Order Number Package Number
Package Description
74F27SC
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
74F27SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F27PC
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
IEEE/IEC
Unit Loading/Fan Out
Function Table
Pin Names Description U.L.
Input IIH/IIL
HIGH/LOW Output IOH/IOL
An, Bn, Cn Data Inputs
On Data Outputs
1.0/1.0
50/33.3
20 µA/−0.6 mA
−1 mA/20 mA
Inputs
Output
An Bn Cn On
LLLH
XXH L
XHX
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
X
X
L
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Absolute Maximum Ratings(Note 1)
Storage Temperature
−65°C to +150°C
Ambient Temperature under Bias
−55°C to +125°C
Junction Temperature under Bias
−55°C to +150°C
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
−0.5V to +7.0V
−0.5V to +7.0V
Input Current (Note 2)
−30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
−0.5V to VCC
−0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
Recommended Operating
Conditions
Free Air Ambient Temperature
Supply Voltage
0°C to +70°C
+4.5V to +5.5V
Note 1: Absolute maximum ratings are values beyond which the device
may be damaged or have its useful life impaired. Functional operation
under these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
VIH
VIL
VCD
VOH
VOL
IIH
IBVI
ICEX
VID
IOD
IIL
IOS
ICCH
ICCL
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW
Voltage
10% VCC
5% VCC
10% VCC
Input HIGH Current
Input HIGH Current
Breakdown Test
Output HIGH
Leakage Current
Input Leakage
Test
Output Leakage
Circuit Current
Input LOW Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
Min
2.0
2.5
2.7
4.75
−60
AC Electrical Characteristics
Symbol
Parameter
tPLH Propagation Delay
tPHL
Min
2.0
1.0
Typ Max
0.8
−1.2
0.5
5.0
7.0
50
3.75
−0.6
−150
4.0 5.5
8.7 12.0
TA = +25°C
VCC = +5.0V
CL = 50 pF
Typ
3.8
2.6
Units
V
V
V
V
V
µA
µA
µA
V
µA
mA
mA
mA
mA
Max
6.0
4.0
VCC Conditions
Recognized as a HIGH Signal
Recognized as a LOW Signal
Min IIN = −18 mA
Min IOH = −1 mA
IOH = −1 mA
Min IOL = 20 mA
Max
Max
VIN = 2.7V
VIN = 7.0V
Max VOUT = VCC
0.0
0.0
Max
Max
Max
Max
IID = 1.9 µA
All Other Pins Grounded
VIOD = 150 mV
All Other Pins Grounded
VIN = 0.5V
VOUT = 0V
VO = HIGH
VO = LOW
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min Max
1.5 6.5
1.0 4.5
Units
ns
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