參數(shù)資料
型號: XRT73L04
廠商: Exar Corporation
英文描述: 4 Channel E3/DS3/STS-1 Line Interface Unit(4通道 E3/DS3/STS-1線接口單元)
中文描述: 4頻道E3/DS3/STS-1線路接口單元(4通道E3/DS3/STS-1線接口單元)
文件頁數(shù): 24/62頁
文件大小: 781K
代理商: XRT73L04
XRT73L04
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. P1.0.5
á
PRELIMINARY
20
N
OTE
:
The XRT73L04 is assembled in a thermally
enhanced package with an integral Copper Heat Slug. The
Heat Slug is solder plated and is exposed on the bottom of
the package and is electrically connected to the internal
Ground connections of the device. This Heat Slug can be
soldered to the mounting board if desired, but must be elec-
trically isolated from any V
DD
connections.
E
LECTRICAL
C
HARACTERISTICS
(C
ONTINUED
), (T
A
= 25
0
C, V
DD
= 3.3 + 5%,
UNLESS
OTHERWISE
SPECIFIED
)
M
ICROPROCESSOR
S
ERIAL
I
NTERFACE
T
IMING
(S
EE
F
IGURE
9)
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
U
NITS
t
21
CS Low to Rising Edge of SClk Setup Time
50
ns
t
22
CS High to Rising Edge of SClk Hold Time
20
ns
t
23
SDI to Rising Edge of SClk Setup Time
50
ns
t
24
SDI to Rising Edge of SClk Hold Time
50
ns
t
25
SClk "Low" Time
240
ns
t
26
SClk "High" Time
240
ns
t
27
SClk Period
500
ns
t
28
CS Low to Rising Edge of SClk Hold Time
50
ns
t
29
CS "Inactive" Time
250
ns
t
30
Falling Edge of SClk to SDO Valid Time
200
ns
t
31
Falling Edge of SClk to SDO Invalid Time
100
ns
t
32
Falling Edge of SClk, or rising edge of CS to High Z
100
ns
t
33
Rise/Fall time of SDO Output
40
ns
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
- 65
0
C to + 150
0
C
Operating Temperature
- 40
0
C to + 85
0
C
Supply Voltage Range
-0.5V to +3.465V
Theta-JA
20° C/W
Theta-JC
6° C/W
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