参数资料
型号: ST485BD
英文描述: IC MAX 7000 CPLD 64 100-TQFP
中文描述: 线收发器| 1驱动器| 1 RCVR |专科| 8引脚|塑料
文件页数: 1/12页
文件大小: 92K
代理商: ST485BD
1/12
November 2001
s
LOW QUIESCENT CURRENT: 300
A
s
DESIGNED FOR RS-485 INTERFACE
APPLICATIONS
s
-7V TO 12V COMMON MODE INPUT
VOLTAGE RANGE
s
DRIVER MAINTAINS HIGH IMPEDANCE IN
3-STATE OR WITH THE POWER OFF
s
70mV TYPICAL INPUT HYSTERESIS
s
30ns PROPAGATION DELAYS, 5ns SKEW
s
OPERATE FROM A SINGLE 5V SUPPLY
s
CURRENT LIMITING AND THERMAL
SHUTDOWN FOR DRIVER OVERLOAD
PROTECTION
s
ALLOWS UP TO 64 TRANSCEIVERS ON
THE BUS
DESCRIPTION
The ST485 is al low power transceiver for RS-485
and RS-422 communication. Each part contains
one driver and one receiver.
This transceiver draw 300
A (typ.) of supply
current when unloaded or fully loaded with
disabled drivers.
It operates from a single 5V supply.
Driver is short-circuit current limited and is
protected against excessive power dissipation by
thermal shutdown circuitry that placed the driver
outputs into a high-impedance state. .
The ST485 is designed for bi-directional data
communications on multipoint bus transmission
line (half-duplex applciations).
ORDERING CODES
Type
Temperature
Range
Package
Comments
ST485CN
0 to 70
°C
DIP-8
50parts per tube / 40tube per box
ST485BN
-40 to 85
°C
DIP-8
50parts per tube / 40tube per box
ST485CD
0 to 70
°C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485BD
-40 to 85
°C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485CDR
0 to 70
°C
SO-8 (Tape & Reel)
2500 parts per reel
ST485BDR
-40 to 85
°C
SO-8 (Tape & Reel)
2500 parts per reel
ST485
LOW POWER
RS-485/RS-422 TRANSCEIVER
DIP
SOP
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相关代理商/技术参数
参数描述
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