參數(shù)資料
型號： HWD490MJA
廠商： Electronic Theatre Controls, Inc.
元件分類： RS-485
英文描述： Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
中文描述： 低功耗，限擺率限制RS-485/RS-422收發(fā)器
文件頁數(shù)： 4/20頁
文件大?。?/td> 502K
代理商： HWD490MJA
Low-Power, S lew-Rate-Limited
RS -485/RS -422 Transc eivers
SWITCHING CHARACTERISTICS—
HWD
483,
HWD
487/
HWD
488/
HWD
489
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
SWITCHING CHARACTERISTICS—
HWD
481/
HWD
485,
HWD
490/
HWD
491,
HWD
1487 (continued)
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
CONDITIONS
SYMBOL
PARAMETER
300
1000
Figures 7 and 9, C
L
= 100pF, S2 closed
Figures 7 and 9, C
L
= 100pF, S1 closed
Figures 5 and 11, C
L
= 15pF, S2 closed,
A - B = 2V
ns
40
100
t
ZH(SHDN)
Driver Enable from Shutdown to
Output High (HWD481)
ns
Figures 5 and 11, C
L
= 15pF, S1 closed,
B - A = 2V
t
ZL(SHDN)
Receiver Enable from Shutdown
to Output Low (HWD481)
ns
40
100
t
ZL(SHDN)
Driver Enable from Shutdown to
Output Low (HWD481)
ns
300
1000
t
ZH(SHDN)
Receiver Enable from Shutdown
to Output High (HWD481)
UNITS
MIN
TYP
MAX
t
PLH
t
PHL
t
SKEW
Figures 6 and 8, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Figures 6 and 8, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Driver Input to Output
Driver Output Skew to Output
ns
100
800
ns
ns
2000
HWD483/HWD487, Figures 7 and 9,
C
L
= 100pF, S2 closed
HWD483/HWD487, Figures 7 and 9,
C
L
= 100pF, S1 closed
t
ZH(SHDN)
Driver Enable from Shutdown to
Output High
Driver Enable from Shutdown to
Output Low
250
2000
ns
2500
HWD483/HWD487, Figures 5 and 11,
C
L
= 15pF, S1 closed
t
ZL(SHDN)
Receiver Enable from Shutdown
to Output Low
ns
2500
HWD483/HWD487, Figures 5 and 11,
C
L
= 15pF, S2 closed
t
ZH(SHDN)
Receiver Enable from Shutdown
to Output High
ns
2000
t
ZL(SHDN)
ns
50
200
600
HWD483/HWD487 (Note 5)
t
SHDN
Time to Shutdown
t
PHL
t
PLH
, t
PHL
< 50% of data period
Figures 5 and 11, C
RL
= 15pF, S2 closed
Figures 5 and 11, C
RL
= 15pF, S1 closed
Figures 5 and 11, C
RL
= 15pF, S2 closed
Figures 5 and 11, C
RL
= 15pF, S1 closed
Figures 7 and 9, C
L
= 15pF, S2 closed
Figures 6 and 10, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Figures 7 and 9, C
L
= 15pF, S1 closed
Figures 7 and 9, C
L
= 100pF, S1 closed
Figures 7 and 9, C
L
= 100pF, S2 closed
CONDITIONS
kbps
250
f
MAX
250
800
2000
Maximum Data Rate
ns
20
50
t
HZ
Receiver Disable Time from High
ns
250
800
2000
20
50
t
LZ
Receiver Disable Time from Low
ns
20
50
t
ZH
Receiver Enable to Output High
ns
20
50
t
ZL
Receiver Enable to Output Low
ns
ns
100
300
250
3000
2000
t
HZ
t
PLH
t
SKD
Driver Disable Time from High
I
t
PLH
- t
PHL
I
Differential
Receiver Skew
Figures 6 and 10, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
ns
300
3000
t
LZ
Driver Disable Time from Low
ns
250
2000
t
ZL
Driver Enable to Output Low
ns
Figures 6 and 8, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
ns
250
2000
t
R
, t
F
Driver Rise or Fall Time
ns
Receiver Input to Output
250
2000
t
ZH
Driver Enable to Output High
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
4
相關(guān)PDF資料
PDF描述
HWD491 Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491CPD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491CSD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491EPD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491ESD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HWD491 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491C/D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491CPD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491CSD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
HWD491EPD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
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