参数资料
型号: SP485RCP-L
厂商: Exar Corporation
文件页数: 5/9页
文件大小: 0K
描述: IC TXRX RS485 HALF DUPLEX 8PDIP
标准包装: 50
类型: 收发器
驱动器/接收器数: 1/1
规程: RS485
电源电压: 5V
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
其它名称: 1016-1177-5
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP485R_00_072309
Figure 6. Driver Propagation Delays
+3V
0V
DRIVER INPUT
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA –VB
0V
VO
1.5V
tPLH
tF
tR
f ≥1MHz; tR ≤10ns; tF ≤10ns
VO 1/2VO
1/2VO
tPHL
tSKEW = |tDPLH- tDPHL|
tDPLH
tDPHL
Figure 7. Driver Enable and Disable Times
Figure 9. Receiver Enable and Disable Times
+3V
0V
DE
5V
VOL
A,B
0V
1.5V
tZL
tZH
f = 1MHz; tR < 10ns; tF < 10ns
VOH
A,B
2.3V
tLZ
tHZ
0.5V
Output normally LOW
Output normally HIGH
VOH
VOL
RECEIVER OUT
1.5V
tPHL
f = 1MHz; tR 10ns; tF ≤ 10ns
OUTPUT
VOD2+
VOD2
A – B
0V
tPLH
INPUT
+3V
0V
5V
0V
1.5V
tZL
tZH
f = 1MHz; tR ≤ 10ns; tF ≤ 10ns
RECEIVER OUT
1.5V
tLZ
tHZ
0.5V
Output normally LOW
Output normally HIGH
VIL
VIH
RE
RECEIVER OUT
Figure 8. Receiver Propagation Delays
SWITCHING WAVEFORMS
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