MC145745 is V.21/V.23 Telemeter Modem manufactured by Motorola Semiconductor.
| Part Number | Description |
|---|---|
| MC145740 | Dual Tone Multiple Frequency Line Interface |
| MC145705 | (MC145706 / MC145707) 5 Volt Only Driver/Receiver with an Integrated Standby Mode |
| MC14572UB | Hex Gate |
| MC14573 | (MC14574 / MC14575) CMOS MSI(PROGRAMMABLE DUAL OP AMP / DUAL COMPARATOR |
| MC145750 | QPSK Encoder |
Ground These are the ground pins of the digital and the analog circuits. The 0 V potential of the device is determined by the input voltage at these pins. Reference Analog Ground This pin provides the analog ground voltage VCC/2, which is regulated internally.
