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AM7920-1JC Subscriber Line Interface Circuit IC by AMD
AM7920-1JC Subscriber Line Interface Circuit IC by AMD.
Specs:
The AM7920 Subscriber Line Interface Circuit implements the
basic telephone line functions, and enables the design of low
cost, high performance, POTS line interface cards.
Characteristics:
* Control states: Active, Ringing, Standby, and Disconnect
* Low standby power (35 mW)
* -19V to -58V battery operation
* On-hook transmission
* Two-wire impedance set by single external impedance
* Available in 300 Mil. dip
* Programmable constant-current feed
* Programmable loop-detect threshold
* No -5V supply required
* Current gain = 500
* On-chip Thermal Management (TMG) feature
* Four on-chip relay snubbers, 1 ringing and 3 general purpose (32 PLCC)
Warning:
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Specs:
The AM7920 Subscriber Line Interface Circuit implements the
basic telephone line functions, and enables the design of low
cost, high performance, POTS line interface cards.
Characteristics:
* Control states: Active, Ringing, Standby, and Disconnect
* Low standby power (35 mW)
* -19V to -58V battery operation
* On-hook transmission
* Two-wire impedance set by single external impedance
* Available in 300 Mil. dip
* Programmable constant-current feed
* Programmable loop-detect threshold
* No -5V supply required
* Current gain = 500
* On-chip Thermal Management (TMG) feature
* Four on-chip relay snubbers, 1 ringing and 3 general purpose (32 PLCC)
Warning:
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
