參數(shù)資料
型號(hào): LXT6251A
英文描述: ATM/SONET MAPPER|CMOS|QFP|208PIN|PLASTIC
中文描述: 的ATM / SONET的映射器|的CMOS | QFP封裝| 208PIN |塑料
文件頁(yè)數(shù): 8/76頁(yè)
文件大小: 995K
代理商: LXT6251A
LXT6251A — 21 E1 SDH Mapper
8
Datasheet
2.0
Pin Assignments and Signal Descriptions
Figure 2. LXT6251A Pin Assignments
Package Topside Markings
Marking
Definition
Part #
LXT6251A is the unique identifier for this product family. QE indicates the family member.
Rev #
Identifies the particular silicon “stepping” — refer to the specification update for additional stepping information.
Lot #
Identifies the batch.
FPO #
Identifies the Finish Process Order.
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
2
3
4
1
CS
AS
GND_5
VCC_3
VCC_5
GND_5
A1
A0
A2
A3
MCUTYPE
STMMODE
RD/E
INT
WR/RW
DSAPDATA
DSAPCLK
DSAPFRM
MRAPFRM
MRAPCLK
MRAPDATA
VCC_5
MTC2
MTD2
MTC1
MTD1
DTD1
DTC1
DTC2
VCC_3
DTD2
A7
A6
A5
A4
GND_5
A8
GND_3
RST
NC
NC
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
GND_5
GND_3
NC
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
G
M
D
M
M
M
M
M
M
M
M
M
D
D
D
D
D
D
V
D
D
P
P
P
D
G
D
M
M
M
D
D
G
G
G
V
V
M
D
G
V
S
G
V
M
G
V
N
N
N
N
N
2
2
2
2
2
D
D
M
M
M
D
D
D
M
M
M
V
M
D
D
D
D
D
D
M
D
D
M
M
G
D
M
M
M
M
D
D
D
G
G
M
D
D
M
V
M
M
M
M
D
G
G
V
G
V
G
V
5
5
5
5
5
6
5
6
6
6
6
6
6
7
6
7
7
7
7
7
7
8
7
8
8
8
8
8
8
9
8
9
9
9
9
9
9
1
9
1
1
1
1
9
9
5
6
6
7
7
8
8
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
DTD13
DTC13
GND_3
GND_5
MTC17
MTD17
DTD17
DTC17
DTC16
DTD16
MTD16
MTC16
MTC15
VCC_5
MTD15
DTD15
DTC15
DTC14
DTD14
MTD14
MTC14
MTC13
MTD13
DTD19
DTC19
DTC18
DTD18
GND_3
MTD18
MTC18
JTCK
JTMS
JTRST
JTDI
JTDO
SCANTEST
DTC21
DTC20
DTD21
MTD21
MTC21
MTD20
MTC20
VCC_5
MTC19
MTD19
GND_5
GND_5
VCC_3
DTD20
OE
VCC_3
XXXX XXXX
(Date Code) (Trace Code)
LOT#
XXXXXX
(Lot #)
XXXXXXXXXXXXXX
FPO#
Part#
Revision#
LXT6251AQE
XX
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