The SN74ABTH32245 has 36 bits and different electrical characteristics. TI does not make any other 32245 device; for a direct replacement, you'd have to look elsewhere .
Hello Emma,
For 20 bits bus transceiver we have the 74ACT16861. For more than 20 bits we have the SN74ABTH32245 which is a 36 bit transceiver.
If you can specify what speeds you are operating at and what type of devices you are operating between I can…
