參數(shù)資料
型號: SN75276(中文)
廠商: Texas Instruments, Inc.
英文描述: Fail-Safe Differential Bus Transceiver(帶故障保險的RS-485/422B差分總線收發(fā)器)
中文描述: 故障安全差分總線收發(fā)器(帶故障保險的RS-485/422B差分總線收發(fā)器)
文件頁數(shù): 1/8頁
文件大小: 1255K
代理商: SN75276(中文)
::= 98-3-26 :: 12:49 =::
P&S
oo á|′μ×ó1é· YóDT1
8-
1
1
SN75276
1ê±£¤2 · ×üê ¢÷
ê y Y á
ò ¢ ê
1. 1 ò°μ÷
SN75276
2 · ×üê ¢÷êéèóóúúàμ×ü′êéDDòêyYí¨Dμμ¥ˉ3éμ· £üêa
oa′êéèμòó
ANSI
±ê×
EIA/TIA-422-B
RS-485
μèY2¢· o
ITU Recommendation V.11
1ê±£¤£¨
fail-safe
£ù×÷è· ±£ú×ü1êéμ· ê3μòμ £úDü£¨
floating -line
£ ¢
D£¨
idle-line
£ ¢a· oíì· ×ü×′£μ· ìá1 μê3£¨21|ü±í £ £
1|ü±í
yˉ÷
óê÷
ê3
êè
D
ê1ü
DE
A B
H
L
X
L
Z Z
2 · êè
A-B
ê1ü
RE
ê3
R
H
H
H L
L H
V
ID
Y
0V
-0.3V
V
ID
0V
V
ID
ü
-0.3
X
L
L
L
H
L
H
L
Z
H
n=
μ£
L=
μíμ££
=
2è· ¨£
X=
21D£
Z=
×è1£¨a£
SN75276
°èyì2 · yˉ÷oí2 · êèóê÷×éoúòe£üóμ¥
5V
μ′1¤×÷ £yˉ÷oíóê
÷· ±eóD μóDD§oíμíμóDD§μê1ü£üéúía2áóúòe£e· òμ×÷óyˉ÷2 · ê
3oíóê÷2 · êèúú2áóò×é3é2 · êè
/
ê3£¨
I/O
£×üú£ü±éèéúyˉ÷±ò
V
CC
=0
ê±×üìá1× D μ o £aDúμìμêy o12£μ1· §í £ê1μ÷têêoóú12
£¨
party-line
ó|ó £
÷têa ′
60mA
üêòìá1μá÷éèμ £yˉ÷óDyoí oμá÷Tò°èè1μìμ£ü
· 1êéìá1±£¤ £úáa
150
ê±· ¢éúèè1 £óê÷μìμê× D êè×è1a
12k
| £
SN75276
éóóúê1ó
SN75172
SN75174
· 2 · yˉ÷ò°
SN75173
SN75175
· 2 · óê÷
μ′êó|óD £
SN75276
μ1¤×÷è· §a
0
á
70
1. 2 ìμ
ù
′1ê±£¤£¨
Fail-safe
£óê÷μòê ¢÷
ù · oò31y
ITU Recommendation V.11
òó
ù ó
ANSI
±ê×
EIA/TIA-422-B
RS-485
μèY
ù aéù· D3¤×üéàμ′êéèμ÷t
ù
3
ìyˉ÷oíóê÷ê3
ù μ¥àμyˉ÷oíóê÷ê1ü
ù í yoí oêè
/
ê3×üμ1· §
ù yˉ÷ê3üá|
±60mA Max
ù èè1±£¤
ù yˉ÷óDyoí oμá÷T
ù óê÷êè×è1
12k
|
Min
ù óê÷êèáéè
-300mV/0mV
ù óμ¥
5V
μ′1¤×÷
ù òyó
SN75176A
òyèY
相關(guān)PDF資料
PDF描述
SN75491 QUAD SEGMENT DRIVER AND HEX DIGIT DRIVER FOR INTERFACING BETWEEN MOS AND LIGHT EMITTING-DIODE (LED) DISPLAYS
SN75491A QUAD SEGMENT DRIVER AND HEX DIGIT DRIVER FOR INTERFACING BETWEEN MOS AND LIGHT EMITTING-DIODE (LED) DISPLAYS
SN75492 QUAD SEGMENT DRIVER AND HEX DIGIT DRIVER FOR INTERFACING BETWEEN MOS AND LIGHT EMITTING-DIODE (LED) DISPLAYS
SN75492A QUAD SEGMENT DRIVER AND HEX DIGIT DRIVER FOR INTERFACING BETWEEN MOS AND LIGHT EMITTING-DIODE (LED) DISPLAYS
SN75ALS125 7-Channel Line Receivers(7通道線接收器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN75276D 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN75276DR 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN75276P 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN75281N 制造商:Texas Instruments 功能描述:
SN75324N 制造商:Texas Instruments 功能描述: