參數(shù)資料
型號: SN72HVD3082E
廠商: Texas Instruments, Inc.
英文描述: LOW POWER RS 485 TRANSCEIVER
中文描述: 低功耗RS 485 TRANSCEIVE?
文件頁數(shù): 8/19頁
文件大?。?/td> 369K
代理商: SN72HVD3082E
SLLS562C MARCH 2003 REVISED JUNE 2004
www.ti.com
8
50
Signal
Generator
RE
B
A
54
CL = 15 pF
R
1 k
0 V
VCC
VCC
D
DE
RE
R
1.5 V
tPZH
tPHZ
3 V
0 V
VOH
VOH 0.5 V
GND
1.5 V
Figure 10. Receiver Enable/Disable Test Circuit and Waveforms, Data Output High
50
Signal
Generator
RE
B
A
54
CL = 15 pF
R
1 k
5 V
0 V
VCC
D
DE
RE
R
1.5 V
tPZL
tPLZ
3 V
0 V
VCC
VOL +0.5 V
1.5 V
VOL
Figure 11. Receiver Enable/Disable Test Circuit and Waveforms, Data Output Low
1.5 V
50
Signal
Generator
RE
B
A
CL = 15 pF
R
1 k
Switch Down for V(A) = 1.5 V,
Switch Up for V(A) = 1.5 V
VCC
1.5 V or
1.5 V
tPZH(SHDN)
tPZL(SHDN)
5 V
R
RE
0 V
1.5 V
3 V
0 V
VOH
VOL
Figure 12. Receiver Enable From Shutdown Test Circuit and Waveforms
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