參數(shù)資料
型號: AM79R70JC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 模擬傳輸電路
英文描述: Ringing Subscriber Line Interface Circuit
中文描述: TELECOM-SLIC, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 1/17頁
文件大?。?/td> 271K
代理商: AM79R70JC
This document contains information on a product under development at Advanced Micro Devices. The information
is intended to help you evaluate this product. AMD reserves the right to change or discontinue work on this proposed
product without notice.
Publication#
21776
Rev
: B
Amendment:
/0
Issue Date:
July 1998
PRELIMINARY
Am79R70
Ringing Subscriber Line Interface Circuit
DISTINCTIVE CHARACTERISTICS
I
Ideal for ISDN-TA and set top applications
I
On-chip ringing with on-chip ring-trip detector
I
Low standby state power
I
Battery operation:
— V
BAT1
: –40 V to –67 V
— V
BAT2
: –19 V to V
BAT1
I
On-chip battery switching and feed selection
I
On-hook transmission
I
Polarity reversal option
I
Programmable constant-current feed
I
Programmable Open Circuit voltage
I
Programmable loop-detect threshold
I
Current gain = 1000
I
Two-wire impedance set by single component
I
Ground-key detector
I
Tip Open state for ground-start lines
I
Internal V
EE
regulator
(no external –5 V power supply required)
I
Two on-chip relay drivers and snubber circuits
BLOCK DIAGRAM
E1
DET
D2
C1
C2
C3
D1
Two-Wire
Interface
HPA
HPB
Input Decoder
and Control
Relay
Driver
Ring-Trip
Detector
Ground-Key
Detector
Off-Hook
Detector
Power-Feed
Controller
RTRIP1
RTRIP2
BGND
VCC VNEG
RD
VTX
RDC
RDCR
AGND/DGND
VBAT2
A(TIP)
B(RING)
RYOUT1
Switch
Driver
VBAT1
RSGL
RSGH
B2EN
Relay
Driver
RYOUT2
RYE
RSN
Signal
Transmission
RINGIN
相關PDF資料
PDF描述
AM79R79 Ringing Subscriber Line Interface Circuit
AM79R79JC Ringing Subscriber Line Interface Circuit
AM81LS95 Three-State Octal Buffers
AM71LS95 JT 13C 13#22D PIN WALL RECP
AM71LS96 Circular Connector; No. of Contacts:13; Series:MS27508; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:10; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle RoHS Compliant: No
相關代理商/技術參數(shù)
參數(shù)描述
AM79R70SC 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Ringing Subscriber Line Interface Circuit
AM79R79 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Ringing Subscriber Line Interface Circuit
AM79R79-1JC 制造商:Advanced Micro Devices 功能描述:
AM79R79-2JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
AM79R79-3JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC