name:         73K224L-CP
function:     modem
package:      DIP,28
manufacturer: silicon system
added-by:     DUARTE A.D.
comment:      V.22bis 2400 bits/s

     +--()--+
 CLK | 1  28| GND
XTL1 | 2  27| RXA
XTL2 | 3  26| VREF
 AD0 | 4  25| RESET
 AD1 | 5  24| ISET
 AD2 | 6  23| RXCLK
 AD3 | 7  22| RXD
 AD4 | 8  21| TXD
 AD5 | 9  20| /CS
 AD6 |10  19| EXCLK
 AD7 |11  18| TXCLK
 ALE |12  17| INT
 /WR |13  16| TXA
 /RD |14  15| VCC
     +------+

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

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

name:         73K224L
function:     Modem
package:      PLCC,28
manufacturer: TDK
added-by:     Neil Harrison
comment:      2400, 1200, 300 bps modem

+---------+---------+-----------+-----------+
| 1 - CLK |  8 - AD4| 15 - VDD  | 22 - RXD  |
| 2 - XTL1|  9 - AD5| 16 - TXA  | 23 - RXCLK|
| 3 - XTL2| 10 - AD6| 17 - /INT | 24 - ISET |
| 4 - AD0 | 11 - AD7| 18 - TXCLK| 25 - RESET|
| 5 - AD1 | 12 - ALE| 19 - EXCLK| 26 - VREF |
| 6 - AD2 | 13 - /WR| 20 - /CS  | 27 - RXA  |
| 7 - AD3 | 14 - /RD| 21 - TXD  | 28 - GND  |
+---------+---------+-----------+-----------+

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

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