SN74LS240, SN74LS244 Octal Buffer/Line Driver with 3−State Outputs The SN74LS240 and SN74LS244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density. • Hysteresis at Inputs to Improve Noise Margins • 3-State Outputs Drive Bus Lines o.
d ordering and shipping information in the package dimensions section on page 5 of this data sheet. © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 9 1 Publication Order Number: SN74LS240/D SN74LS240, SN74LS244 LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW) SN74LS240 VCC 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 1G 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND SN74LS244 VCC 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 1G 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND SN74LS240 INPUTS 1G, 2G D OUTPUT LL.
OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS The SN54 / 74LS240, 241 and 244 are Octal Buffers and Line Drivers designe.
The SNx4LS24x, SNx4S24x octal buffers and line drivers are designed specifically to improve both the performance and den.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | SN74LS240 |
ON Semiconductor |
Octal Buffer/Line Driver | |
2 | SN74LS240 |
Motorola |
OCTAL BUFFER/LINE DRIVER | |
3 | SN74LS240 |
Texas Instruments |
Octal Buffers and Line Drivers | |
4 | SN74LS241 |
Motorola |
OCTAL BUFFER/LINE DRIVER | |
5 | SN74LS241 |
Texas Instruments |
Octal Buffers and Line Drivers | |
6 | SN74LS242 |
Motorola |
QUAD BUS TRANSCEIVER | |
7 | SN74LS243 |
Motorola |
QUAD BUS TRANSCEIVER | |
8 | SN74LS243 |
Texas Instruments |
QUADRUPLE BUS TRANSCEIVERS | |
9 | SN74LS245 |
Motorola |
OCTAL BUS TRANSCEIVER | |
10 | SN74LS245 |
ON Semiconductor |
Octal Bus Transceivers | |
11 | SN74LS245 |
Texas Instruments |
Octal Bus Transceivers | |
12 | SN74LS247 |
ON Semiconductor |
BCD-to-Seven-Segment Decoders/Drivers |