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AM79D2251VC 数据表(PDF) 11 Page - Advanced Micro Devices

部件名 AM79D2251VC
功能描述  Dual Intelligent Subscriber Line Audio-Processing Circuit (ISLAC)
PDF  35 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM79D2251VC 数据表(HTML) 11 Page - Advanced Micro Devices

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Am79D2251
11
Figure 4. Internal Ringing Linecard Schematic
RFAi
RFBi
RSAi
RSBi
A
B
U3
DHi
BATH
BATL
U1
Am79R241
P1
P2
P3
LD
SA
SB
AD
BD
VBH
VBL
TMP
TMN
RSN
VLB
IMT
ILG
VTX
VREF
VSAB
GND
+5 V
VCC
CBATLi
CBATHi
* CSS required for > 2.2 Vrms metering
** Connections shown for one channel
*** DT2i diode is optional - should be
connected if there is a chance that this chip
may be replaced by Am79R251.
DLi
RMGLi
RMGPi
TMS
BGND
R2
RYE
R3
R1
BATH
HPA
HPB
RTESTLi
CHPi
CSSi
RRXi
RMTi
VREF
RLGi
VREF
U2
ISLAC
VREF
VILGi
VIMTi
VLBi
VSABi
VINi
VOUTi
BACK
PLANE
LDi
P1
P2
P3
DGND
VCCA
VCCD
SHB
SLB
BATH
BATL
IREF
AGND
VCC
+3.3VDC
RSHB
RSLB
RREF
CREF
3.3 V
CADi
CBDi
RSVD
RSVD
RTi
D1
D2
U4
CS
RTESTMi
DT1i
DT2i***
SPB
RHLai
VHLi
RHLbi
RHLci
RHLdi
VREF
CHLdi
CHLbi



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