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SP485 bảng dữ liệu(PDF) 6 Page - Shanghai Leiditech Electronic Technology Co., Ltd

tên linh kiện SP485
Giải thích chi tiết về linh kiện  RS-485 RS422 Transceiver
PDF  10 Pages
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nhà sản xuất  LEIDITECH [Shanghai Leiditech Electronic Technology Co., Ltd]
Trang chủ  http://www.leiditech.com
Logo LEIDITECH - Shanghai Leiditech Electronic Technology Co., Ltd

SP485 bảng dữ liệu(HTML) 6 Page - Shanghai Leiditech Electronic Technology Co., Ltd

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Continued from the previous page....
Infinite slope function
Drive input to input
Out of the delay
tDPLH
RDIFF=54 Ω,CL1=CL2=100pF(2)
34
60
ns
Drive input to input
Out of the delay
tDPHL
34
60
|tDPLH-tDPHL|
tDSKEW
-2.5
ns
Drive up and down
Time
tDR, tDF
14
25
ns
Maximum data
transfer rate
fMAX
2
Mbps
Drive enable delay
tDZH
CL=100pF,S2 CLOSED(3)
150
ns
Drive enable delay
tDZL
CL=100pF,S1 CLOSED(3)
150
ns
Drive shutdown
delay
tDLZ
CL=15pF,S1 CLOSED(3)
100
ns
Drive shutdown
delay
tDHZ
CL=15pF,S2 CLOSED(3)
100
ns
Receiver input and
output
Delay
tRPLH
| VID|≥2.0V
Rise and fall time ≤ 15ns(4).
106 150
ns
Receiver input and
output
Delay
tRPHL
106 150
ns
|tRPLH-tRPHL|
tRSKD
| VID|≥2.0V
Rise and fall time ≤ 15ns(4).
0
±10
ns
Receiver enable
delay
tRZL
CL=100pF,S1 CLOSED(5)
20
50
ns
Receiver enable
delay
tRZH
CL=100pF,S2 CLOSED(5)
20
50
ns
Receiver shutdown
delay
tRLZ
CL=100pF,S1 CLOSED(5)
20
50
ns
Receiver shutdown
delay
tRHZ
CL=100pF,S2 CLOSED(5)
20
50
ns
Shutdown mode
enable time
tSHDN
50 200 600
ns
Drive wake delay
tDZH(SHDN) CL=15pF,S2 CLOSED(3)
250
ns
Drive wake delay
tDZL(SHDN) CL=15pF,S1 CLOSED(3)
250
ns
Receiver wake-up
delay
tRZH(SHDN) CL=100pF,S2 CLOSED(5)
3500
ns
Receiver wake-up
delay
tRZL(SHDN) CL=100pF,S1 CLOSED(5)
3500
ns
concentrate:
(1) The test circuit is shown in Figure 1
(2) The test line is shown in Figure 2
(3) The test circuit is shown in Figure 3
(4) The test circuit is shown in Figure 4
(5) The test line is shown in Figure 5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RDIFF=54 Ω,CL1=CL2=100pF(2)
RDIFF=54 Ω,CL1=CL2=100pF(2)
RDIFF=54 Ω,CL1=CL2=100pF(2)
SP485
www.leiditech.com
Rev 1.6 :01.01.2022
6/10
±10



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