參數(shù)資料
型號： SP488ET-L
廠商： Exar Corporation
文件頁數(shù)： 3/6頁
文件大?。?/td> 0K
描述： IC RCVR RS485/RS422 QUAD 16SOIC
產(chǎn)品變化通告： Product Discontinuation 21/Dec/2011
標準包裝： 41
類型： 接收器
驅動器/接收器數(shù)： 0/4
規(guī)程： RS422/RS485
電源電壓： 5V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 16-SOIC
包裝： 管件
3
SP488/489
Quad RS-485/RS-422 Line Receivers
Copyright 2000 Sipex Corporation
A
B
54
100pF
DI
1/4 SP486
1/4 SP488
100pF EN
EN
ROn
DRIVER
RCVR
CL
Figure 1. Timing Test Circuit
S1
RCVR
S2
VCC
1k
CL
1k
Figure 2. Enable/Disable Timing Test Circuit
Pin 6 — RI
2A — Receiver 2 input A.
Pin 7 — RI
2B — Receiver 2 input B.
Pin 8 — GND — Digital Ground.
Pin 9 — RI
3B — Receiver 3 input B.
Pin 10 — RI
3A — Receiver 3 input A.
Pin 11 — RO
3 — Receiver 3 Output — If
Receiver 3 output is enabled, if RI
3A > RI3B by
200mV, Receiver 3 output is high. If Receiver 3
output is enabled, and if RI
3A < RI3B
by
200mV, Receiver 3 output is low.
Pin 12 — EN — Receiver Output Enable. Please
refer to SP488 Truth Table (1).
SP488 PINOUT
Pin 1 — RI
1B — Receiver 1 input B.
Pin 2 — RI
1A — Receiver 1 input A.
Pin 3 — RO
1 — Receiver 1 Output — If Re-
ceiver 1 output is enabled, if RI
1A > RI1B
by
200mV, Receiver output is high. If Receiver 1
output is enabled, and if RI
1A < RI1B by 200mV,
Receiver 1 output is low.
Pin 4 — EN — Receiver Output Enable. Please
refer to SP488 Truth Table (1).
Pin 5 — RO
2 — Receiver 2 Output — If Re-
ceiver 2 output is enabled, if RI
2A > RI2B
by
200mV, Receiver 2 output is high. If Receiver 2
output is enabled, and if RI
2A < RI2B
by
200mV, Receiver 2 output is low.
SP488
RI1B
RI1A
RO1
EN
RO2
RI2A
RI2B
GND
VCC
RI4B
RI4A
RO4
EN
RO3
RI3A
RI3B
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
4
3
2
SP489
RI1B
RI1A
RO1
EN1/EN2
RO2
RI2A
RI2B
GND
VCC
RI4B
RI4A
RO4
EN3/EN4
RO3
RI3A
RI3B
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
4
3
2
PINOUT
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相關代理商/技術參數(shù)
參數(shù)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 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
SP489 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Receivers
SP489A 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers
SP489ACP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers
SP489ACT 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers
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