7408 Gate Datasheet

7408 Datasheet, PDF, Equivalent


Part Number

7408

Description

Quad 2-Input Positive AND Gate

Manufacture

NTE

Total Page 3 Pages
Datasheet
Download 7408 Datasheet


7408
NTE7408
Integrated Circuit
TTL Quad 2Input Positive AND Gate
Description:
The NTE7408 contains four independent 2Input AND 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
2.0 V
− − 0.8 V
− − −0.8 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, VIH = 2V, IOH = 0.8mA
VCC = MIN, VIL = 0.8V, 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.

7408
Electrical Characteristics (Cont’d): (Note 2, Note 3)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
High Level Input Current
Low Level Input Current
IIH VCC = MAX, VI = 2.4V
IIL VCC = MAX, VI = 0.4V
− − 40 A
− − −1.6 mA
ShortCircuit Output Current
IOS VCC = MAX, Note 4
18 − −55 mA
High Level Supply Current
Low Level Supply Current
ICCH
ICCL
VCC = MAX, VI = 4.5V
VCC = MAX, VI = 0V
11 21 mA
20 33 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, and the duration of the shortcircuit
should not exceed one second.
Switching Characteristics: (VCC = 5V, TA = +25C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Propagation Delay Time
From A or B Input to Y Output)
tPLH
tPHL
RL = 400, CL = 15pF
17.5 27
12 19
ns
ns
Truth Table (Each Gate):
Inputs
Output
ABY
HHH
LXL
XLL
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
A1 1
B1 2
Logic Diagram
3 Y1
A2 4
B2 5
A3 9
B3 10
6 Y2
Y = A  B or Y = A + B
8 Y3
A4 12
B4 13
11 Y4
Pin14 = VCC
Pin7 = GND


Features NTE7408 Integrated Circuit TTL − Quad 2−Input Positive AND Gate Descriptio n: The NTE7408 contains four independen t 2−Input AND gates in a 14−Lead pl astic DIP type package. Absolute Maxim um Ratings: (Note 1) Supply Voltage, VC C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V DC Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V Operating Temperature Rang e, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C Storag e Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65C t o +150C Note 1. Unless otherwise spe cified, 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 Cu.
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