Datasheet Details
| Part number | AM7945 |
|---|---|
| Manufacturer | AMD |
| File Size | 270.16 KB |
| Description | Subscriber Line Interface |
| Datasheet | AM7945 AM7945-1 Datasheet (PDF) |
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Overview: m o .c Am7945 t4U Subscriber Line eInterface Circuit e h S DISTINCTIVE a CHARACTERISTICS t a D . w w w s Programmable constant-current feed s Current gain = 200 s Programmable loop-detect threshold s Low power Standby state s Ground-key detector s Tip Open state for ground-start lines s –19 V to –56.5 V battery operation s On-chip Thermal Management (TMG) feature s Two-wire impedance set by single external impedance s On-hook transmission s On-chip ring relay driver and relay snubber circuit s Ideal for low cost PABX and key telephone systems BLOCK DIAGRAM A(TIP) HPA HPB B(RING) m o .c U 4 t e e h S a t a .D w w w TMG Ring Relay Driver Input Decoder and Control Two-Wire Interface Ground-Key Detector Signal Transmission Off-Hook Detector Power-Feed Controller Ring-Trip Detector VCC VEE AGND/DGND RINGOUT C1 C2 C3 E0 E1 DET RSN VTX DA DB VBAT BGND m o .c U 4 t e e h S a at .D w w w RD RDC CAS Publication# 18408 Rev: D Amendment: /0 Issue Date: October 1999 ORDERING INFORMATION Standard Products AMD standard products are available in several packages and operating ranges. The order number (Valid bination) is formed by a bination of the elements below.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | AM7945 |
|---|---|
| Manufacturer | AMD |
| File Size | 270.16 KB |
| Description | Subscriber Line Interface |
| Datasheet | AM7945 AM7945-1 Datasheet (PDF) |
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|
|
Am7945 Subscriber Line Interface Circuit Valid binations Am7945 JC Valid binations Valid binations list configurations planned to be supported in volume for this device.
Consult the local AMD sales office to confirm availability of specific valid binations and to check on newly released binations, and to obtain additional data on AMD’s standard military grade products.
Note: * Functionality of the device from 0°C to +70°C is guaranteed by production testing.
| Part Number | Description |
|---|---|
| AM7942 | Subscriber Line Interface Circuit |
| AM7946 | Subscriber Line Interface Circuit |
| AM7947 | Subscriber Line Interface Circuit |
| AM79489 | Subscriber Line Interface Circuit |
| AM7901A | Subscriber Line Audio-Processing Circuit Device |
| AM7901B | Subscriber Line Audio-Processing Circuit Device |
| AM7905A | Subscriber Line Audio-Processing Circuit Device |
| AM7910 | FSK Modem |
| AM7911 | FSK Modem |
| AM79168 | Transmitter / Receiver |