參數(shù)資料
型號(hào): SN65HVD11Q
廠商: Texas Instruments, Inc.
英文描述: 3.3V RS 485 TRANSCEIVERS
中文描述: 3.3V的RS 485接口TRANSCEIVE恏巴
文件頁(yè)數(shù): 10/20頁(yè)
文件大?。?/td> 273K
代理商: SN65HVD11Q
SLLS505F FEBRUARY 2002 REVISED NOVEMBER 2003
www.ti.com
10
Input
Generator
50
Generator: PRR = 100 kHz, 50% Duty Cycle, tr <6 ns, tf <6 ns, Zo = 50
VO
RE
R
A
B
3 V
1.5 V
tPZH(2)
1.5 V
3 V
0 V
VOH
GND
VI
VO
0 V or 1.5 V
1.5 V or 0 V
CL = 15 pF
±
20%
CL Includes Fixture
and Instrumentation
Capacitance
VI
1 k
±
1%
A
B
S1
A at 1.5 V
B at 0 V
S1 to B
tPZL(2)
1.5 V
3 V
VOL
VO
A at 0 V
B at 1.5 V
S1 to A
Figure 10. Receiver Enable Time From Standby (Driver Disabled)
Pulse Generator,
15
μ
s Duration,
1% Duty Cycle
tr, tf
100 ns
100
±
1%
_
+
A
B
R
D
DE
RE
0 V or 3 V
NOTE:This test is conducted to test survivability only. Data stability at the R output is not specified.
3 V or 0 V
Figure 11. Test Circuit, Transient Over Voltage Test
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