74F20 반도체 회로 부품 판매점
Dual 4-Input NAND Gate
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 Fairchild |
April 1988
Revised July 1999
74F20
Dual 4-Input NAND Gate
General Description
This device contains two independent gates, each of which
performs the logic NAND function.
Ordering Code:
Order Number Package Number
Package Description
74F20SC
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
74F20SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F20PC
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
Pin Names Description
An, Bn, Cn, Dn
On
Inputs
Outputs
U.L.
HIGH/LOW
1.0/1.0
50/33.3
Input IIH/IIL
Output IOH/IOL
20 µA/−0.6 mA
−1 mA/20 mA
© 1999 Fairchild Semiconductor Corporation DS009462
www.fairchildsemi.com
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
Min
Typ
Max
Units
VCC
Conditions
VIH
VIL
VCD
VOH
VOL
IIH
IBVI
ICEX
VID
IOD
IIL
IOS
ICCH
ICCL
Input HIGH Voltage
2.0
V Recognized as a HIGH Signal
Input LOW Voltage
0.8 V
Recognized as a LOW Signal
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW
Voltage
10% VCC
5% VCC
10% VCC
2.5
2.7
−1.2 V Min IIN = −18 mA
V Min IOH = −1 mA
IOH = −1 mA
0.5 V Min IOL = 20 mA
Input HIGH
Current
5.0 µA Max VIN = 2.7V
Input HIGH Current
Breakdown Test
7.0 µA Max VIN = 7.0V
Output HIGH
Leakage Current
50 µA Max VOUT = VCC
Input Leakage
Test
4.75
V 0.0 IID = 1.9 µA
All other pins grounded
Output Leakage
Circuit Current
3.75
µA
0.0 VIOD = 150 mV
All other pins grounded
Input LOW Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
−0.6 mA Max VIN = 0.5V
−60 −150 mA Max VOUT = 0V
0.9 1.4 mA Max VO = HIGH
3.4 5.1 mA Max VO = LOW
AC Electrical Characteristics
Symbol
Parameter
tPLH Propagation Delay
tPHL
An, Bn, Cn, Dn to On
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min Typ Max
2.4 3.7 5.0
1.5 3.2 4.3
TA = −55° to +125°C
VCC = +5.0V
CL = 50 pF
Min Max
2.0 7.0
1.5 6.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min Max
2.4 6.0
1.5 5.3
Units
ns
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74F20 gate
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