參數(shù)資料
型號(hào): SN65HVD
廠商: Texas Instruments, Inc.
英文描述: 3.3-V RS-485 Transceivers(3.3V,RS-485收發(fā)器)
中文描述: 3.3V的RS - 485收發(fā)器(3.3V,RS - 485接口收發(fā)器)
文件頁數(shù): 8/19頁
文件大?。?/td> 142K
代理商: SN65HVD
SN65HVD10,SN65HVD10Q,SN75HVD10
SN65HVD11,SN65HVD11Q,SN75HVD11
SN65HVD12,SN75HVD12
SLLS505E
FEBRUARY 2002
REVISED NOVEMBER 2002
www.ti.com
8
PARAMETER MEASUREMENT INFORMATION
RL = 110
±
1%
Input
Generator
50
Generator: PRR = 500 kHz, 50% Duty Cycle, tr <6 ns, tf <6 ns, Zo = 50
Figure 5. Driver High-Level Enable and Disable Time Test Circuit and Voltage Waveforms
3 V
S1
0.5 V
3 V
0 V
VOH
0 V
tPHZ
tPZH
1.5 V
1.5 V
VI
VO
CL = 50 pF
±
20%
CL Includes Fixture
and Instrumentation
Capacitance
D
A
B
DE
VO
VI
2.3 V
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
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