参数资料
| 型号： | SP504MCM-L |
| 厂商： | Exar Corporation |
| 文件页数： | 23/32页 |
| 文件大小： | 0K |
| 描述： | IC TXRX WAN MULTI-MODE 80LQFP |
| 标准包装： | 84 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 7/7 |
| 规程： | 多协议 |
| 电源电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-LQFP |
| 供应商设备封装： | 80-LQFP（14x14） |
| 包装： | 托盘 |
| 其它名称： | 1016-1682 SP504MCM-L-ND |
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
SPECIFICATIONS
T
A = +25°C and VCC = +5.0V unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNITS CONDITIONS
RS-485 DRIVER (continued)
Propagation Delay t
PLH
50
80
00
ns
T
A @ 25°C and VCC = +5V only Fig-
ures 3a and 5; R
L= 54, CL=50pF
Differential Driver Skew
20
40
ns
|t
PHL - tPLH|; TA @ 25°C
RS-485 RECEIVER
TTL Output Levels
V
OL
0.4
Volts
V
OH
2.4
Volts
Input
HIGH Threshold
+0.2
+2
Volts
(a)-(b)
LOW Threshold
-7.0
-0.2
Volts
(a)-(b)
Common Mode Range
-7.0
+2
Volts
HIGH Input Current
Refer to Receiver input graph
LOW Input Current
Refer to Receiver input graph
Receiver Sensitivity
+/-0.2
Volts
Over -7V to +2V common mode
Range
Input Impedance
2
k
Max. Transmission Rate
0
Mbps Figure 3a
Propagation Delay t
PHL
80
0
80
ns
T
A @ 25°C and VCC = +5V only.
Figures 3a and 7; A is inverting
and B is non-inverting.
Propagation Delay t
PLH
80
0
80
ns
Differential Receiver Skew
30
ns
|t
PHL - tPLH|; TA @ +25°C
V.35 DRIVER
TTL Input Levels
V
IL
0.8
Volts
V
IH
2.0
Volts
Outputs
All Outputs measured with 150 termination resistor connected to the non-inverting
outputs as shown in Figure 9.
Differential Output
+/-0.44
+/-0.66
Volts
R
L = 100
Source Impedance
50
00
50
Short-Circuit Impedance
35
50
65
V
OUT = -2V to +2V; A = B
Voltage Output Offset
-0.6
+0.6
Volts
Transition Time
35
60
ns
48kbps data rate; T
A @ 25°C
Max. Transmission Rate
0
Mbps R
L = 100
Propagation Delay t
PHL
50
80
00
ns
T
A @ 25°C and VCC = +5V only
Figures 3b and 5
Propagation Delay t
PLH
50
80
00
ns
DIfferential Driver Skew
30
40
ns
|t
PHL - tPLH|; TA @ +25°C
V.35 RECEIVER
TTL Output Levels
V
OL
0.4
Volts
V
OH
2.4
Volts
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