參數(shù)資料
型號(hào)： SP483CS-L
廠商： Exar Corporation
文件頁(yè)數(shù)： 7/11頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485 HALF DUPLEX 8PDIP
產(chǎn)品變化通告： Interface Product Discontinuation 10/May/2011
標(biāo)準(zhǔn)包裝： 50
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS485
電源電壓： 5V
安裝類(lèi)型： 通孔
封裝/外殼： 8-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 8-PDIP
包裝： 管件
其它名稱(chēng)： 1016-1161-5
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483_SP485_0_0627
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP483 DRIVER
AC Characteristics
Maximum Date Rate
250
kbps
Driver Input to Output, t
PLH
250
800
2000
ns
t
PLH; RDIFF = 54, CL = CL2 = 00pF,
see figures 3 and 5
Driver Input to Output, t
PHL
250
800
2000
ns
t
PHL; RDIFF = 54, CL = CL2 = 00pF,
see figures 3 and 5
Driver Skew
00
800
ns
see figures 3 and 5,
t
SKEW = |tDPHL - tDPLH|
Driver Rise or Fall Time
250
2000
ns
From 0%-90%; R
DIFF = 54
C
L = CL2 = 00pF; see Figures 3
and 5
Driver Enable to Output High
250
2000
ns
C
L = 100pF, see figures 4 and 6,
S
2 closed
Driver Enable to Output Low
250
2000
ns
C
L = 100pF, see figures 4 and 6,
S
closed
Driver Disable Time from High
300
3000
ns
C
L = 15pF, see figures 4 and 6,
S
2 closed
Driver Disable Time from Low
300
3000
ns
C
L = 15pF, see figures 4 and 6,
S
closed
SP483 RECEIVER
AC Characteristics
Maximum Data Rate
250
kbps
Receiver Input to Output
250
2000
ns
t
PLH, tPHL; Figures 3 and 7:
R
DIFF = 54, CL = CL2 = 00pF
Differential Receiver Skew
|t
PHL - tPLH|
00
ns
R
DIFF = 54, CL = CL2 = 00pF,
see Figures 3 and 7
Receiver Enable to Output Low
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
Closed
Receiver Enable to Output High
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
2 Closed
Receiver Disable from LOW
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
Closed
Receiver Disable from High
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
2 Closed
SP483
Shutdown Timing
Time to Shutdown
50
200
600
ns
RE = 5V, DE = 0V
Driver Enable from Shutdown
to Output High
2000
ns
C
L = 00pF; See Figures 4 and 6;
S
2 Closed
Driver Enable from Shutdown
to Output Low
2000
ns
C
L = 00pF; See Figures 4 and 6;
S
Closed
Receiver Enable from
Shutdown to Output High
2500
ns
C
L = 5pF; See Figures 4 and 6;
S
2 Closed
Receiver Enable from
Shutdown to Output Low
2500
ns
C
L = 5pF; See Figures 4 and 6;
S
Closed
T
MIN to TMAX and VCC = 5V +/-5% unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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