over recommended operating free air temperature range (Note 1).
Symbol Parameter Conditions DM54ALS01 DM74ALS01
Units
Min Max Min Max
tpLH Propagation Delay Time Vee = 4.5V to 5.5V
23 66 23 54 ns
Low to High Level Output RL = 2 kn tpHL Propagation Delay Time CL = 50pF
High to Low Level Output 8 39 4 28 ns
Note 1: See Section 1 for test waveforms and output load.
~ Semiconductor
NatiOnalCorporation
DM54ALS02/DM74ALS02 Quad 2-lnput NOR Gates
General Description
This device contains four independent gates, each of which performs the logic NOR function.
Features
• Switching specifications at 50 pF
• Switching specifications guaranteed over full tempera-ture and Vee range
Connection Diagram
• Advanced oxide-isolated, ion-implanted Schottky TTL process
• Functionally and pin for pin compatible with Schottky and low power Schottky
TTL
counterpart• Improved AC performance over Schottky and low pow-er Schottky countpow-erparts
Dual-ln-L1ne Package
Function Table
Vee Y4 B4 A4 Y3 83
11
7
Y1 A1 Y2 A2 82 GND
TLlF/6175-1
Order Number DM54ALS02J, DM74ALS02M or DM74ALS02N See NS Package Number J 14A, M 14A or N 14A
Y=A+B Inputs
A B
L L
L H
H L
H H
H = High Logic Level L = Low Logic Level
Output Y H L L L
Absolute Maximum Ratings
If MlJltary/Aerospace specified devices are required, Note: The ''Absolute Maximum Ratings" are those values contact the National Semiconductor Sales Offlcel beyond which the safety of the device cannot be guaran-Distributors for avallablJlty and specifications. teed. The device should not be operated at these limits. The Supply Voltage 7V parametric values defined in the "Electrical Characteristics"
Input Voltage 7V table are not guaranteed at the absolute maximum ratings.
The "Recommended Operating Conditions" table will define Operating Free Air Temperature Range the conditions for actual device operation.
DM54ALS - 55·C to + 125·C
DM74ALS O·Cto +70·C
Storage Temperature Range -65·C to + 150·C
Recommended Operating Conditions
Symbol Parameter DM54ALS02 DM74ALS02
Units
Min Nom Max Min Nom Max
Vee Supply Voltage 4.5 5 5.5 4.5 5 5.5 V
VIH High Level Input Voltage 2 2 V
VIL Low Level Input Voltage 0.7 0.8 V
10H High Level Output Current -0.4 -0.4 mA
10L Low Level Output Current 4 8 mA
TA Free Air Operating Temperature -55 125 0 70 ·C
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at Vee
=
5V. T A=
25·C.Symbol Parameter Conditions Min Typ Max Units
VIK Input Clamp Voltage Vee
=
4.5V,11=
-18 mA -1.5 VVOH High Level Output 10H
=
-0.4 mAVee - 2 V
Voltage Vee
=
4.5V to 5.5VVOL Low Level Output Vee
=
4.5V 54174ALS0.25 0.4 V
Voltage 10L
=
4mA74ALS
0.35 0.5 V
10L
=
8mA II Input Current @ Max. Vee=
5.5V, VIH=
7V0.1 mA
Input Voltage
IIH High Level Input Current Vee
=
5.5V, VIH=
2.7V 20 itAIlL Low Level Input Current Vee
=
5.5V, VIL=
O.4V -0.1 mA10 Output Drive Current Vee
=
5.5V Vo=
2.25V -30 -112 mAIcc Supply Current Vee
=
5.5V Outputs High 0.85 2.2 mAOutputs Low 2.16 4 mA
Switching Characteristics
over recommended operating free air temperature range (Note 1).
Symbol Parameter Conditions DM54ALS02 DM74ALS02
Units
Min Max Min Max
tpLH Propagation Delay Time Vee
=
4.5V to 5.5V1 18 3 12 ns
Low to High Level Output RL
=
5000 tpHL Propagation Delay Time CL=
50pFHigh to Low Level Output 1 11 3 10 ns
Note 1: See Section 1 for test waveforms and output load.
2-10
~ Semiconductor
NatiOnalCorporation
DM54ALS03B/DM74ALS03B Quad 2-lnput NAND Gates with Open Collector Outputs
General Description
This device contains four independent gates, each of which performs the logic NAND function. The open-collector out-puts require external pull-up resistors for proper logical op-eration.
Pull-Up Resistor Equations
R Vee (Min) - VOH MAX = Nl (IOH)
+
N2 (IIH) R Vee (Max) - VOLMIN
=
IOL - N3 (110Where: Nl (IOH) = total maximum output high current for all outputs tied to pull-up resistor
N2 (IIH)
=
total maximum input high current for all inputs tied to pull-up resistorN3 (110 = total maximum input low current for all inputs tied to pull-up resistor
Connection Diagram
Features
• Switching specifications at 50 pF
• Switching specifications guaranteed over full tempera-ture and Vee range
• Advanced oxide-isolated, ion-implanted Schottky TIL process
• Functionally and pin for pin compatible with Schottky and low power Schottky TIL counterpart
• Improved AC performance over Schottky and low pow-er Schottky countpow-erparts
Dual·ln·Llne Package
Function Table
Vee B4 A4 Y4 83 A3 Y3
8
TLIF/6176-1 Order Number DM54ALS03BJ, DM74ALS03BM or DM74ALS03BN
See NS Package Number J14A, M14A or N14A
y = AB Inputs
A B
L L
L H
H L
H H
H = High Logic Level L = Low Logic Level
2·11
Output Y H H H L
Absolute Maximum Ratings
If Military/Aerospace specified devices are required, Note: The "Absolute Maximum Ratings" are those values contact the National Semiconductor Sales Office/ beyond which the safety of the device cannot be guaran-Distributors for availability and specifications. teed. The device should not be operated at these limits. The Supply Voltage 7V parametric values defined in the "Electrical Characteristics"
Input Voltage 7V table are not guaranteed at the absolute maximum ratings.
The "Recommended Operating Conditions" table will define High Level Output Voltage 7V the conditions for actual device operation.
Operating Free Air Temperature Range
DM54ALS - 55°C to
+
125°CDM74ALS O°Cto
+
70°CStorage Temperature Range - 65°C to
+
150°CRecommended Operating Conditions
Symbol Parameter DM54ALS03B DM74ALS03B
Units
Min Nom Max Min Nom Max
Vee Supply Voltage 4.5 5 5.5 4.5 5 5.5 V
VIH High Level Input Voltage 2 2 V
VIL Low Level Input Voltage 0.7 0.8 V
VOH High Level Output Voltage 5.5 5.5 V
IOL Low Level Output Current 4 8 rnA
TA Free Air Operating Temperature -55 125 0 70 °C
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at Vee = 5V, T A = 25°C.
Symbol Parameter Conditions Min Typ Max Units
VIK Input Clamp Voltage Vee = 4.5V, II = -18 rnA -1.5 V
IOH High Level Output Current Vee
=
4.5V, VOH=
5.5V 100 p,AVOL Low Level Output Vee = 4.5V 54174ALS
0.25 0.4 V
Voltage IOL =4 rnA
74ALS
0.35 0.5 V
IOL = 8mA II Input Current @ Max. Vee = 5.5V, VIH = 7V
0.1 rnA
Input Voltage
IIH High Level Input Current Vee = 5.5V, VIH = 2.7V 20 p,A
IlL Low Level Input Current Vee
=
5.5V, VIL = O.4V -0.1 rnAlee Supply Current Vee = 5.5V Outputs High 0.43 0.85 rnA
Outputs Low 1.62 3 rnA