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MH89793 参数 Datasheet PDF下载

MH89793图片预览
型号: MH89793
PDF下载: 下载PDF文件 查看货源
内容描述: E1收发器,具有可选的阻抗初步信息 [E1 Transceiver with Selectable Impedance Preliminary Information]
分类和应用: 电信集成电路光电二极管PC
文件页数/大小: 8 页 / 73 K
品牌: MITEL [ MITEL NETWORKS CORPORATION ]
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MH89793
Loss of Signal
The circuitry on board the hybrid is capable of
detecting 128 continuous ZEROs received on RLA
and RLB and indicating this condition as a logic low
on pin 9, (LOS). LOS will not reset until 64 ONEs are
received in a two E1 frame period.
Preliminary Information
VDD
10K
+5
0.1µ
1
41
16
35
TxMF
43
TxA
TxB
42
13
9
7
8
10
27
28
RxA
RxB
27
E2i
31
26
30
29
23
22
21
15
MH89793
33
2
31
26
32
RESET TAIS
V
DD
DSTi
DSTo
F0i
C4i
E8Ko
TxA
RLA
TLA
TLB
1
3
4
2
16
TxB
TZA1
TZA2
TZA3
TZB1
TZB2
RZA
RZB
RxA
RxB
E2o
NETWORK
CONNECTOR
RLB
TZD1
TDZ2
TZC1
TZC2
11
5
12
6
MT9079
8-15
D0-7
18-22
23
AC0-4
R/W
25
LOS
24
25
CS
DS
Foi
C4i
S/P
V
SS
7
IRQ
MT9042
36
37
Figure 3a - Application Circuit for 75Ω Operation
4-232