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參數(shù)資料
| 型號： | HWD491MJD |
| 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)： | 12/20頁 |
| 文件大?。?/td> | 502K |
| 代理商： | HWD491MJD |
Low-Power, S lew-Rate-Limited
RS -485/RS -422 Transc eivers
TTL IN
t
R
, t
F
< 6ns
D
R
100pF
B
100pF
A
RECEIVER
OUT
R = 54
Z
Y
500mV/div
20ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25
°
C
500mV/div
20ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25
°
C
500mV/div
400ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25
°
C
500mV/div
400ns/div
A
B
RO
2V/div
V
CC
= 5V
T
A
= +25
°
C
Figure 14. Receiver Propagation Delay Test Circuit
Figure 15. HWD481/HWD485/HWD490/HWD491/HWD487
Receiver t
PHL
Figure 16. HWD481/HWD485/HWD490/HWD491/HWD1487
Receiver t
PLH
Figure 17. HWD483, HWD487–HWD489 Receiver t
PHL
Figure 18. HWD483, HWD487–HWD489 Receiver t
PLH
12
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