name:         ARX4404
function:     1553 TRANSCEIVER VOLTAGE SOURCE FOR MIL-STD-1553A&B,MACAIR A-3818,A-5690, A-5232 AND A-4905 SINE WAVE
package:      HYBRID 24 PIN METAL PKG 1.1 ROW CENTERS .1 PIN SPACING 1.25 SQ PKG SIZE,24
manufacturer: AEROFLEX
added-by:     TOM TERLIZZI
comment:      CALL 516-752-2418 FOR INFO ON REPLACEMENT FOR 3231

                     +--()--+
         TX DATA OUT | 1  24| -15V (TX)
        TX DATA* OUT | 2  23| TX DATA* IN
          TX GND +5V | 3  22| TX DATA IN
            +15V(TX) | 4  21| TX INHIBIT
 EXT DATA THRESHOLD. | 5  20| +5V
 INT DATA THRESHOLD. | 6  19| -15V (RX)
         RX DATA OUT | 7  18| CASE GND
              STROBE | 8  17| GRD(+/-15V)
         RX GND(+5V) | 9  16| RX DATA* IN
        RX DATA* OUT |10  15| RX DATA IN
INT DATA* THRESHOLD. |11  14| NO CONNECT
EXT DATA* THRESHOLD. |12  13| +15V(RX)
                     +------+

This information was added by a third party and may be incorrect.

This pinout came from the Chipdir:
http://www.chipdir.org/