参数资料
| 型号： | SP488ET-L |
| 厂商： | Exar Corporation |
| 文件页数： | 5/6页 |
| 文件大小： | 0K |
| 描述： | IC RCVR RS485/RS422 QUAD 16SOIC |
| 产品变化通告： | Product Discontinuation 21/Dec/2011 |
| 标准包装： | 41 |
| 类型： | 接收器 |
| 驱动器/接收器数： | 0/4 |
| 规程： | RS422/RS485 |
| 电源电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
5
SP488/489
Quad RS-485/RS-422 Line Receivers
Copyright 2000 Sipex Corporation
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
Receiver Input to Output
C
L = 15pF; Figure 1, 3
Low to HIGH (tPLH)
120
250
ns
High to LOW (tPH
L)
120
250
ns
Differential Receiver Skew (t
SKD)13
ns
Receiver Rise Time (t
R)
10% to 90%
SP488
30
70
ns
SP489
30
70
ns
Receiver Fall Time (t
F)
90% to 10%
SP488
20
40
ns
SP489
20
40
ns
RECEIVER ENABLE
To Output HIGH
70
150
ns
C
L = 15pF; Figures 2 and 4
(S2 closed)
To Output LOW
80
200
ns
CL = 15pF;
Figures 2 and 4
(S1 closed)
RECEIVER DISABLE
From Output LOW
70
150
ns
CL = 15pF;
Figures 2 and 4
(S1 closed)
From Output HIGH
70
150
ns
CL = 15pF;
Figures 2 and 4
(S2 closed)
Figure 4. Receiver Enable/Disable Timing
3V
0V
5V
VOH
0V
Output normally low
F = 1MHZ: tr < 10ns: tf < 10ns
tZL
tLZ
EN
VOL
1.5V
0.5V
1.5V
0.5V
Output normally high
RO
tZH
RO
tHZ
Figure 3. Receiver Propagation Delays
F = 1MHZ: tr < 10ns: tf < 10ns
tPHL
tPLH
VOL
0V
1.5V
RO
VOH
1.5V
–VOD
+VOD
Input A–B
相关PDF资料 |
PDF描述 |
|---|---|
| SP488CT-L/TR | IC RCVR RS485/RS422 QUAD 16SOIC |
| SP488CT-L | IC RCVR RS485/RS422 QUAD 16SOIC |
| MS27496E13F35SA | CONN RCPT 22POS BOX MNT W/SCKT |
| D38999/20KD15PA | CONN RCPT 15POS WALL MNT W/PINS |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP488ET-L/TR | 功能描述:RS-422/RS-485 接口 IC Quad RS-485/RS-422 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 |
| SP489 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Receivers |
| SP489A | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP489ACP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP489ACT | 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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