Datasheet Details
| Part number | AM79574 |
|---|---|
| Manufacturer | AMD |
| File Size | 261.98 KB |
| Description | Subscriber Line Interface Circuit |
| Download | AM79574 Download (PDF) |
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| Part number | AM79574 |
|---|---|
| Manufacturer | AMD |
| File Size | 261.98 KB |
| Description | Subscriber Line Interface Circuit |
| Download | AM79574 Download (PDF) |
|
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Am79574 Subscriber Line Interface Circuit Valid Combinations Am79574 –1 –2 JC Valid Combinations Valid Combinations list configurations planned to be supported in volume for this device.
Consult the local AMD sales office to confirm availability of specific valid combinations, to check on newly released combinations, and to obtain additional data on AMD’s standard military grade products.
Note: * Fu
www.DataSheet4U.com Am79574 Subscriber Line Interface Circuit DISTINCTIVE CHARACTERISTICS s Programmable constant resistance feed s Line-feed characteristics independent of battery variations s Programmable loop-detect threshold s On-chip switching regulator for low-power dissipation s Pin for external ground-key noise filter capacitor available s Ground-key detect option available s Two-wire impedance set by single external impedance s Polarity reversal feature s Tip Open state for ground-start lines s Test relay driver optional s On-hook transmission BLOCK DIAGRAM (TIP) A Ring Relay Driver Test Relay Driver RINGOUT TESTOUT C1 C2 C3 C4 E1 E0 DET GKFIL VTX RSN HPA Ground-Key Detector Input Decoder and Control Two-Wire Interface HPB Signal Transmission B(RING) Power-Feed Controller DA DB VREG L VBAT BGND Off-Hook Detector RD RDC Ring-Trip Detector Switching Regulator CHS QBAT CHCLK VCC VEE AGND 16855C-001 Notes: 1.
Am79574—E0 and E1 inputs; ring and test relay drivers sourced internally to BGND.
2.
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| AM7901A | Subscriber Line Audio-Processing Circuit Device |
| AM7901B | Subscriber Line Audio-Processing Circuit Device |
| AM7905A | Subscriber Line Audio-Processing Circuit Device |
| AM7910 | FSK Modem |