3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8th UNIT LOAD " />
參數(shù)資料
型號： XR3178EID-F
廠商： Exar Corporation
文件頁數(shù)： 21/24頁
文件大小： 0K
描述： IC TXRX RS485 DIFF 3V 8NSOIC
產(chǎn)品變化通告： Interface Product Discontinuation 21/Mar/2012
特色產(chǎn)品： XR317xE 3.3 V RS-485 High Differential Output Transceivers
標(biāo)準(zhǔn)包裝： 98
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422/RS485
電源電壓： 3.3V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOICN
包裝： 管件
其它名稱： 1016-1318-5
XR3170E-3178E
6
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8th UNIT LOAD
REV. 1.0.0
tPLH
Driver Propagation Delay (Low to
High)
250
1500
ns
CL = 50pF, RL = 54, Figures 6
and 7
tPHL
Driver Propagation Delay (High to
Low)
250
1500
ns
CL = 50pF, RL = 54, Figures 6
and 7
tR
Driver Rise Time
350
1600
ns
CL = 50pF, RL = 54, Figures 6
and 7
tF
Driver Fall Time
350
1600
ns
CL = 50pF, RL = 54, Figures 6
and 7
|t
PLH-tPHL|
Differential Pulse Skew
200
ns
Figures 6 and 7
tZH
Driver Enable to Output High
2500
ns
CL = 50pF, RL = 500, Figures
8 and 9
tZL
Driver Enable to Output Low
2500
ns
CL = 50pF, RL = 500, Figures
10 and 11
tHZ
Driver Disable from Output High
150
ns
CL = 50pF, RL = 500, Figures
8 and 9
tLZ
Driver Disable from Output Low
150
ns
CL = 50pF, RL = 500, Figures
10 and 11
tOZV
Shutdown to Driver Output Valid
3500
ns
CL = 50pF, RL = 500
tSHDN
Time to Shutdown
50
200
600
ns
Notes 3 and 4
RECEIVER AC CHARACTERISTICS
freq
Data Signaling Rate
250
kbps
1/tUI, Duty Cycle 40 to 60%
tPLH
Receiver Propagation Delay (Low to
High)
200
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
tPHL
Receiver Propagation Delay (High to
Low)
200
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
skew
Receiver Propagation Delay Skew
30
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
skew =
|t
PLH-tPHL|
tR
Receiver Output Rise Time
3
6
ns
CL = 15pF, Figure 12
tF
Receiver Output Fall Time
3
6
ns
CL = 15pF, Figure 12
tZH
Receiver Enable to Output High
50
ns
CL = 15pF, Figure 14
tZL
Receiver Enable to Output Low
50
ns
CL = 15pF, Figure 14
tHZ
Receiver Disable from Output High
50
ns
CL = 15pF, Figure 14
tLZ
Receiver Disable from Output Low
50
ns
CL = 15pF, Figure 14
tZH(SHDN)
Shutdown to Receiver Output Valid
High
3500
ns
CL = 15pF, Figure 14
tZL(SHDN)
Shutdown to Receiver Output Valid
Low
3500
ns
CL = 15pF, Figure 14
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH TA FROM -40
OC TO +85OC. TYPICAL VALUES ARE AT
VCC = +3.3V AND 25
OC.
SYMBOL
PARAMETERS
MIN.TYP.
MAX.UNITS
CONDITIONS
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