A
參數(shù)資料
型號(hào)： SP3508EB
廠商： Exar Corporation
文件頁(yè)數(shù)： 12/36頁(yè)
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR SP3508
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，收發(fā)器，RS-232，RS-449，EIA-530（A），X.21
嵌入式： 否
已用 IC / 零件： SP3508
主要屬性： 內(nèi)部線路或數(shù)字回路測(cè)試
次要屬性： 8 個(gè)驅(qū)動(dòng)器和 8 個(gè)接收器
已供物品： 板
其它名稱： 1016-1626
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP3508_00_072208
ELECTRICAL SPECIFICATIONS
T
A = 0 to 70°C and VCC = 3.3V ± 5% unless otherwise noted. The denotes the specifications which apply over the full operating tempera-
ture range (-40°C to +85°C), unless otherwise specified.
V
CC .................................................................................................+7V
Input Voltages:
Logic ................................................ -0.3V to (V
CC+0.5V)
Drivers.............................................. -0.3V to (V
CC+0.5V)
Receivers.............................................................±5.5V
Output Voltages:
Logic ................................................ -0.3V to (V
CC+0.5V)
Drivers.....................................................................±2V
Receivers......................................... -0.3V to (V
CC+0.5V)
Storage Temperature..................................................-65
°C to +50°C
Power Dissipation...................................................................520mW
(derate 9.0mW/
°C above +70°C)
Junction Temperature T
J......................................................... +4°C
Due to the relatively large package size of the 00-pin quad
flat-pack, storage in a low humidity environment is preferred.
Large high density plastic packages are moisture sensitive and
should be stored in Dry Vapor Barrier Bags. Prior to usage,
the parts should remain bagged and stored below 40°C and
60%RH. If the parts are removed from the bag, they should be
Package Derating:
JA ...................................................................36.9 °C/W
JC .....................................................................6.5 °C/W
These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated in
the operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
ABSOLUTE MAXIMUM RATINGS
used within 48 hours or stored in an environment at or below
20%RH. If the above conditions cannot be followed, the parts
should be baked for four hours at 25°C in order to remove
moisture prior to soldering. Exar ships the 00-pin LQFP in Dry
Vapor Barrier Bags with a humidity indicator card and desiccant
pack. The humidity indicator should be below 30%RH.
STORAGE CONSIDERATIONS
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
LOGIC INPUTS
V
IL
0.8
V
IH
2.0
V
LOGIC OUTPUTS
V
OL
0.4
V
I
OUT = -3.2mA
V
OH
V
CC
- 0.6
V
CC
- 0.3
V
I
OUT = .0mA
V.28 DRIVER DC Parameters (OUTPUTS)
Open Circuit Voltage
+/-0
V
Per Figure
Loaded Voltage
+/-5.0
V
Per Figure 2
Short-Circuit Current
+/-00
mA
Per Figure 4
Power-Off Impedance
300
Per Figure 5
V.28 DRIVER AC Parameters (Outputs)
V
CC = 3.3V for AC parameters
Transition Time
.5
s
Per Figure 6, +3V to -3V
Instantaneous Slew Rate
30
V/ s
Per Figure 3
Propagation Delay: t
PHL
0.5
.0
3.0
s
Propagation Delay: t
PLH
0.5
.0
3.0
s
Max. Transmission Rate
20
230
kbps
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