IDT77155L155PX Просмотр технического описания (PDF) - Integrated Device Technology
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IDT77155L155PX
Integrated Device Technology
IDT77155L155PX Datasheet PDF : 50 Pages
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IDT77155
155Mbps ATM PHY (TC-PMD) USER NETWORK INTERFACE
ADVANCED INFORMATION
Commercial Temperature Range
User Network Interface specifications.
The IDT77155 provides both Transmission Convergence
(TC) and Physical Media Dependent (PMD) sublayer func-
tions of a 155.52 Mbps/51.84 Mbps ATM PHY suitable for
ATM networks. The SONET/SDH interface provides the
SONET/SDH overheads demultiplex and multiplex process-
ing functions. The UTOPIA interface provides standardized
control and communications to other components, such as
Segmentation and Reassembly (SAR) controllers and ATM
switches.
The IDT77155 is fabricated using state-of-the-art CMOS
technology, providing the highest levels of integration, perfor-
mance and reliability, with the low-power consumption char-
acteristics of CMOS.
PACKAGE PINOUT
GND
1
TBYP
2
ATP2
3
AVcc
4
AGND
5
AVcc
6
AGND
7
AVcc
8
TRCLK-
9
TRCLK+
10
AGND
11
TXVcc
12
TXC+
13
TXC-
14
TXD+
15
TXD-
16
TXGND
17
Vcc
18
GND
19
Vcc
20
GND
21
RXDO+
22
RXDO-
23
AVcc
24
RXD-
25
RXD+
26
ALOS-
27
ALOS+
28
AGND
29
AVcc
30
AGND
31
AVcc
32
RRCLK-
33
RRCLK+
34
AGND
35
AVcc
36
AGND
37
GND
38
IDT77155
TOP
VIEW
PX-128
102
GND
101
100
99
VCLK
98
RATE[0]
97
RATE[1]
96
TSOC
95
TXPRTY
94
TDAT[7]
93
TDAT[6]
92
TDAT[5]
91
TDAT[4]
90
TDAT[3]
89
TDAT[2]
88
TDAT[1]
87
TDAT[0]
86
TCA
85
84
TFCLK
83
RSOC
82
RXPRTY
81
Vcc
80
GND
79
RDAT[7]
78
RDAT[6]
77
RDAT[5]
76
RDAT[4]
75
RDAT[3]
74
RDAT[2]
73
Vcc
72
GND
71
RDAT[1]
70
RDAT[0]
69
RCA
68
67
RFCLK
66
TSEN
65
GND
3497 drw 02
8.03
2
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