LANSDALE Semiconductor Inc.
5 Volt Only Driver/Receiver RS232 EIA–232–E and CCITT V.28
Motorola => Freescale
Universal Digital Loop Transceivers (UDLT)
Motorola => Freescale
Single–Chip 300–Baud Modem
Motorola => Freescale
DRIVER / RECEIVERS EIA–232–E and CCITT V.28
Motorola => Freescale
Single-Chip 300-Baud Modem
Philips Electronics
EIA-232-D/V.28 driver/receiver
ON Semiconductor
Programmable Timer
Motorola => Freescale
Universal Digital Loop Transceivers (UDLT)
Motorola => Freescale
ISDN Universal Digital Loop Transceivers II
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