74LS31 IC – (SMD Package) Hex Delay Line Generator IC (7431 IC)
These LS31 delay elements are intended to provide well-defined delays across both temperature and VCC ranges. Used in cascade, a limitless range of delay gating is possible. All inputs are PNP with IL MAX of -0.2 mA. Gates 1, 2, 5, and 6 have standard Low-Power Schottky output sink current capability of 4 and 8 mA IOL Buffers 3 and 4 are rated at 12 and 24 mA. The 74LS31 is characterized for operation from 0?C to 70?C
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Description
These LS31 delay elements are intended to provide well-defined delays across both temperature and VCC ranges. Used in cascade, a limitless range of delay gating is possible. All inputs are PNP with IL MAX of -0.2 mA. Gates 1, 2, 5, and 6 have standard Low-Power Schottky output sink current capability of 4 and 8 mA IOL Buffers 3 and 4 are rated at 12 and 24 mA. The 74LS31 is characterized for operation from 0?C to 70?C
Features :-
- Delay Elements for Generating Delay Lines
- Inverting and Non-inverting Elements
- Buffer NAND Elements Rated at JOL of 12/24 mA
- PNP Inputs Reduce Fan-In (IIL=-0.2 mA MAX)
- Worst Case MIN/MAX Delays Guaranteed Across Temperature and VCC Ranges
Specifications :-
|
Symbol |
Parameter |
Min |
Max |
Unit |
|
VCC |
Supply Voltage |
4.75 |
5.25 |
V |
|
VIH |
HIGH Level Input Voltage |
2 |
– |
V |
|
VIL |
LOW Level Input Voltage |
– |
0.8 |
V |
|
VOH |
HIGH Level Output Voltage |
– |
-0.4 |
V |
|
IOL |
LOW Level Output Current |
– |
8 |
mA |
|
TA |
Free Air Operating Temperature |
0 |
70 |
oC |
Package Includes :-
1 X 74LS31 IC – (SMD Package) Hex Delay Line Generator IC (7431 IC)
Additional information
Operating voltage | 2.5 3.0V |
Pixel Resolution | 0.3MP |
Photosensitive array | 640 x 480 |
Optical Size | 1.6 inch |
Angel of view | 67 degrees |
Maximum Frame Rate | 30fps VGA |
Sensitivity | 1.3V/(Lux-sec) |
Dormancy | Less than 20A |
Power consumption | 60mW/15fpsVGA YUV |
Temperature operation Range | -30 C ~ 70 C |
Pixel area | 3.6 x 3.6 m |
Signal to noise ratio (SNR) | 46 dB |
Dynamic range | 52 dB |


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