參數(shù)資料
型號(hào): SN65HVD11QP
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
文件頁數(shù): 8/20頁
文件大?。?/td> 273K
代理商: SN65HVD11QP
SLLS505F FEBRUARY 2002 REVISED NOVEMBER 2003
www.ti.com
8
Input
Generator
50
3 V
VO
S1
3 V
1.5 V
1.5 V
tPZL
tPLZ
2.3 V
0.5 V
3 V
0 V
VOL
VI
VO
Generator: PRR = 500 kHz, 50% Duty Cycle, tr <6 ns, tf <6 ns, Zo = 50
RL = 110
±
1%
CL = 50 pF
±
20%
CL Includes Fixture
and Instrumentation
Capacitance
D
A
B
DE
VI
3 V
Figure 6. Driver Low-Level Output Enable and Disable Time Test Circuit and Voltage Waveforms
VID
VA
VB
IO
A
B
IB
VO
R
IA
VIC
VA + VB
2
Figure 7. Receiver Voltage and Current Definitions
Input
Generator
50
Generator: PRR = 500 kHz, 50% Duty Cycle, tr <6 ns, tf <6 ns, Zo = 50
VO
1.5 V
0 V
1.5 V
1.5 V
3 V
VOH
VOL
1.5 V
10%
1.5 V
10%
tPLH
tPHL
90%
tr
tf
90%
VI
VO
CL = 15 pF
±
20%
CL Includes Fixture
and Instrumentation
Capacitance
A
B
RE
VI
R
0 V
Figure 8. Receiver Switching Test Circuit and Voltage Waveforms
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