Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
54LS240/74LS240 LSTTL /（、） ： • ； • PNP ； • 。 tpd=10ns Pd=130mW L L H A L H × Y H L Z Z= H= L= ×= ： 、 。， ，，（400mV） 。 133Ω。 www.BDTIC.com BDTIC www.bdtic.com/Semiconductor Free Datasheet http://www.Datasheet4U.com 54LS240/74LS240 LSTTL /（、） Vcc VIH VIL IOH IOL TA 74Ⅱ 4.75 5 5.25 2.0 0.8 -15 24 -40 85 54 4.5 5 5.5 V 2.0 V.
RL=667Ω 9 12 20 15 15 10 14 18 30 23 25 18 ns ns ns www.BDTIC.com BDTIC www.bdtic.com/Semiconductor Free Datasheet http://www.Datasheet4U.com .
54LS240 - National Semiconductor
Free Datasheet http://www.Datasheet4U.com Free Datasheet http://www.Datasheet4U.com Free Datasheet http://www.Datashee.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | 54LS241 |
Signetics |
(54LS240) Octal Buffer |
|
| 2 | 54LS244 |
National Semiconductor |
Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
|
| 3 | 54LS245 |
Texas Instruments |
Octal Bus Transceivers |
|
| 4 | 54LS245D2 |
SGS-Thomson |
Octal Bus Transceiver |
|
| 5 | 54LS20 |
National Semiconductor |
Dual 4-Input NAND Gates |
|
| 6 | 54LS21 |
National Semiconductor |
Dual 4-Input AND Gates |
|
| 7 | 54LS21 |
Motorola |
DUAL 4-INPUT AND GATE |
|
| 8 | 54LS22 |
National Semiconductor |
Dual 4-Input NAND Gates |
|
| 9 | 54LS22 |
Motorola |
DUAL 4-INPUT NAND GATE |
|
| 10 | 54LS256 |
National Semiconductor |
Dual 4-Bit Addressable Latch |
|
| 11 | 54LS256 |
Motorola |
DUAL 4-BIT ADDRESSABLE LATCH |
|
| 12 | 54LS257A |
National Semiconductor |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
|