Part number: 74LS20
Manufacturer: Hitachi Semiconductor
File Size: 42.61KB
Download: 📄 Datasheet
Description: Dual 4-input Positive NAND Gates
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74LS20 - Dual 4-Input NAND Gate
(Fairchild Semiconductor)
DM74LS20 Dual 4-Input NAND Gate
June 1986 Revised March 2000
DM74LS20 Dual 4-Input NAND Gate
General Description
This device contains two independen.
74LS20 - Dual 4-Input NAND Gates
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June 1989
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General Description
This device contains.
74LS20 - DUAL 4-INPUT NAND GATE
(Motorola)
SN54/74LS20 DUAL 4-INPUT NAND GATE
DUAL 4-INPUT NAND GATE
VCC 14 13 12 11 10 9 8
LOW POWER SCHOTTKY
1
2
3
4
5
6
7 GND
14 1
J SUFFIX CERAMIC .
74LS21 - DUAL 4-INPUT AND GATE
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DUAL 4-INPUT AND GATE
SN54/74LS21
VCC 14 13 12 11 10
9
8
DUAL 4-INPUT AND GATE LOW POWER SCHOTTKY
1234567 GND
GUARANTEED OPERATING RANGES
Symb.
74LS21 - Dual 4-input Positive AND Gates
(Hitachi Semiconductor)
Unit: mm
19.20 20.32 Max 14 8 6.30 7.40 Max 1
2.39 Max
1.30
7 7.62
0.51 Min
2.54 Min 5.06 Max
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.
74LS22 - DUAL 4-INPUT NAND GATE
(Motorola)
DUAL 4-INPUT NAND GATE
SN54/74LS22
VCC 14 13 12 11 10
98 *
*
1234567 GND
* OPEN COLLECTOR OUTPUTS
GUARANTEED OPERATING RANGES
Symbol
Parameter
.
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Each multivibrator of the LS221 features a negative-transitiontriggered input and.
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