The AM26LS31CN-E family of devices is a quadruple complementary-output line driver designed to meet the requirements of ANSI TIA/EIA-422-B and ITU (formerly CCITT) Recommendation V.11. The 3-state outputs have high-current capability for driving balanced lines such as twisted-pair or parallel-wire transmission lines, and are in the high-impedance state in the power-off condition. The enable function is common to all four drivers and offers the choice of an active-high or active-low enable (G, G) input. Low-power Schottky circuitry reduces power consumption without sacrificing speed.
PART NUMBER | PACKAGE(1) | PACKAGE SIZE(2) |
---|---|---|
AM26LS31MFK | LCCC (20) | 8.89mm × 8.89mm |
AM26LS31MJ | CDIP (16) | 19.6mm × 6.92mm |
AM26LS31MW | CFP (16) | 10.3mm × 6.73mm |
AM26LS31CD | SOIC (16) | 9.9mm × 3.91mm |
AM26LS31CDB | SSOP (16) | 6.2mm × 5.3mm |
AM26LS31CN-E | PDIP (16) | 19.3mm × 6.35mm |
AM26LS31xNS | SO (16) | 10.3mm × 5.3mm |
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
1A | 1 | I | Logic Data Input to RS422 Driver number 1 |
1Y | 2 | O | RS-422 Data Line (Driver 1) |
1Z | 3 | O | RS-422 Data Line (Driver 1) |
G | 4 | I | Driver Enable (active high) |
G | 12 | I | Driver Enable (active Low) |
2A | 7 | I | Logic Data Input to RS422 Driver number 2 |
2Y | 6 | O | RS-422 Data Line (Driver 2) |
2Z | 5 | O | RS-422 Data Line (Driver 2) |
3A | 9 | I | Logic Data Input to RS422 Driver number 3 |
3Y | 10 | O | RS-422 Data Line (Driver 3) |
3Z | 11 | O | RS-422 Data Line (Driver 3) |
4A | 15 | I | Logic Data Input to RS422 Driver number 4 |
4Y | 14 | O | RS-422 Data Line (Driver 4) |
4Z | 13 | O | RS-422 Data Line (Driver 4) |
VCC | 16 | – | Power Input. Connect to 5V Power Source. |
GND | 8 | – | Device Ground Pin |
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
1A | 1 | I | Logic Data Input to RS422 Driver number 1 |
1Y | 2 | O | RS-422 Data Line (Driver 1) |
1Z | 3 | O | RS-422 Data Line (Driver 1) |
G | 4 | I | Driver Enable (active high) |
G | 12 | I | Driver Enable (active Low) |
2A | 7 | I | Logic Data Input to RS422 Driver number 2 |
2Y | 6 | O | RS-422 Data Line (Driver 2) |
2Z | 5 | O | RS-422 Data Line (Driver 2) |
3A | 9 | I | Logic Data Input to RS422 Driver number 3 |
3Y | 10 | O | RS-422 Data Line (Driver 3) |
3Z | 11 | O | RS-422 Data Line (Driver 3) |
4A | 15 | I | Logic Data Input to RS422 Driver number 4 |
4Y | 14 | O | RS-422 Data Line (Driver 4) |
4Z | 13 | O | RS-422 Data Line (Driver 4) |
VCC | 8 | I | Power Input. Connect to 5V Power Source. |
GND | 16 | I | Device Ground Pin |