7420 Gate Datasheet

7420 Datasheet PDF, Equivalent


Part Number

7420

Description

Dual 4-Input Positive NAND Gate

Manufacture

NTE

Total Page 3 Pages
PDF Download
Download 7420 Datasheet PDF


7420
NTE7420
Integrated Circuit
TTL Dual 4Input Positive NAND Gate
Description:
The NTE7420 contains two independent 4Input NAND gates in a 14Lead plastic DIP type package.
Absolute Maximum Ratings: (Note 1)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
DC Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65C to +150C
Note 1. Unless otherwise specified, all voltages are referenced to GND.
Recommended Operating Conditions:
Parameter
Supply Voltage
HighLevel Input Voltage
LowLevel Input Voltage
HighLevel Output Current
LowLevel Output Current
Operating Temperature Range
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Min Typ Max Unit
4.75 5.0 5.25 V
2V
− − 0.8 V
− − −0.4 mA
− − 16 mA
0 +70 C
Electrical Characteristics: (Note 2, Note 3)
Parameter
Symbol
Test Conditions
Input Clamp Voltage
High Level Output Voltage
Low Level Output Voltage
Input Current
VIK
VOH
VOL
II
VCC = MIN, II = 12mA
VCC = MIN, VIL = 0.8V, IOH = 0.4mA
VCC = MIN, VIH = 2V, IOL = 16mA
VCC = MAX, VI = 5.5V
Min Typ Max Unit
− − −1.5 V
2.4 3.4
V
0.2 0.4 V
− − 1 mA
Note 2. .For conditions shown as MIN or MAX, use the appropriate value specified under “Recommended
Operation Conditions”.
Note 3. All typical values are at VCC = 5V, TA = +25C.

7420
Electrical Characteristics (Cont’d): (Note 2, Note 3)
Parameter
Symbol
Test Conditions
High Level Input Current
Low Level Input Current
ShortCircuit Output Current
High Level Supply Current
Low Level Supply Current
IIH
IIL
IOS
ICCH
ICCL
VCC = MAX, VI = 2.4V
VCC = MAX, VI = 0.4V
VCC = MAX, Note 4
VCC = MAX, VI = 0
VCC = MAX, VI = 4.5V
Min Typ Max Unit
− − 40 A
− − −1.6 mA
18 − −55 mA
2 4 mA
6 11 mA
Note 2. .For conditions shown as MIN or MAX, use the appropriate value specified under “Recommended
Operation Conditions”.
Note 3. All typical values are at VCC = 5V, TA = +25C.
Note 4. Not more than one output should be shorted at a time.
Switching Characteristics: (VCC = 5V, TA = +25C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Propagation Delay Time
From Any Input to Y Output)
tPLH
tPHL
RL = 400, CL = 15pF
12 22 ns
8 15 ns
Function Table (Each Gate):
Inputs
Output
ABCD
Y
HHHH
L
LXXX
H
XLXX
XXLX
H
H
XXXL
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
A1
B1
C1
D1
1
2
4
5
A2
B2
C2
D2
9
10
12
13
Logic Diagram
6 Y1
Y = A  B C D or Y = A + B+ C+ D
8 Y2
Pin14 = VCC
Pin7 = GND


Features NTE7420 Integrated Circuit TTL − Dual 4−Input Positive NAND Gate Descripti on: The NTE7420 contains two independen t 4−Input NAND gates in a 14−Lead p lastic DIP type package. Absolute Maxi mum Ratings: (Note 1) Supply Voltage, V CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V DC Input Voltage, VI N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V Operating Temperature Ran ge, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C Stora ge Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65C to +150C Note 1. Unless otherwise sp ecified, all voltages are referenced to GND. Recommended Operating Conditions : Parameter Supply Voltage High−Level Input Voltage Low−Level Input Voltage High−Level Output Current Low−Level Output C.
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