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参数资料
| 型号： | SP487ET |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | QUAD LINE DRIVER, PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 5/7页 |
| 文件大小： | 0K |
| 代理商： | SP487ET |
5
SP486/487
Quad RS-485/RS-422 Line Drivers
Copyright 2000 Sipex Corporation
Figure 4. Driver Propagation Delays
3V
0V
B
A
VO
–VO
VO
1
2
tr
tf
10%
90%
10%
VO
1
2
tSKEW
VDIFF = V(A) – V(B)
F = 1MHZ: tr < 10ns: tf < 10ns
tPLH
tPHL
DI
1.5V
AC PARAMETERS
V
CC = 5V±5%; typicals at 25°C; 0°C ≤ TA ≤ +70°C unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
PROPAGATION DELAY
Driver Input to Output
R
DIFF = 54 Ohms, CL1= CL2=
100pF;
Figure 2
Low to High (t
PLH)
204060
ns
High to Low (t
PHL)
204060
ns
Driver Output to Output (t
SKEW)
5
15
ns
Driver Rise Time (t
R)
10% to 90%
SP486
20
ns
SP487
20
ns
Driver Fall Time (t
F)
90% to 10%
SP486
20
ns
SP487
20
ns
DRIVER ENABLE
To Output High
60
110
ns
C
L = 100pF; Figures 3 and 5
(S
2 closed)
To Output Low
60
115
ns
C
L = 100pF; Figures 3 and 5
(S
1 closed)
DRIVER DISABLE
From Output Low
60
130
ns
C
L = 15pF; Figures 3 and 5
(S
1 closed)
From Output High
60
130
ns
C
L = 15pF; Figures 3 and 5
(S
2 closed)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP487ET-L | 功能描述:缓冲器和线路驱动器 Quad RS-485/RS-422 Line Drivers RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SP487ET-L/TR | 功能描述:RS-422/RS-485 接口 IC Quad RS-485/RS-423 Line Drivers RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| SP488 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Receivers |
| SP488A | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP488ACP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
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