파트넘버.co.kr ZT489E 데이터시트 PDF


ZT489E 반도체 회로 부품 판매점

(ZT4xxE) Low Power 5V 250kbps/10Mbps RS485 Transceivers



Zywyn 로고
Zywyn
ZT489E 데이터시트, 핀배열, 회로
ZT485E Low Power 5V 250kbps/10Mbps RS485 Transceivers
Zywyn Corporation
Zywyn
ZT4xxE
ZT483E, ZT485E, ZT488E
ZT489E, ZT490E, ZT491E
Low Power 5V 250kbps/10Mbps RS485 Transceivers
Features
• Meets or exceeds the requirements of ANSI Stan-
dard TIA/EIA-485-A and ISO 8482:1987(E) specifi-
cations for VCC at +5V ±5%
• Low quiescent current – 0.5mA typ., 1mA max.
www.DataSheetL4Uo.wcomshutdown current (where applicable) - 0.01µA
typical, 10µA max.
• Guaranteed standard data rate 250kbps or 10Mbps
• Thermal shutdown protection
• -7V to +12V common-mode input voltage range
• Half-Duplex or Full-Duplex configuration
• Allows up to 1 unit load (32 devices) on the same
common bus
• Controlled driver output slew rate and receiver input
filtering
• Active-high driver enable and active-low receiver
enable
• ESD Protection on bus terminals
±15kV Human Body Model (HBM)
• Drop-in Replacements for MAX483E, MAX485E,
MAX488E, MAX489E, MAX490E, MAX491E.
• High fanout driving 1/4 unit load (128 devices)
available on ZT485ER Series
General Description
The ZT485E series devices are 5V differential data line
transceivers for RS485/RS422 communication that consist
of one driver and one receiver with high level of ESD
protection. They are designed for balanced transmission
lines interface that meet ANSI standard TIA/EIA-485-A and
ISO 8482:1987(E) specifications.
The ZT485E series devices spans out with half or full duplex,
data rate guaranteed at 250k bit per second or 10Mbps, and
allow one unit load that fan out 32 devices sharing a common
bus. The I/Os are enhanced-electrostatic discharge (ESD)
protected, exceeding ±15kV Human Body Model (HBM).
Applications
• RS422/RS485 communications
• Utility meters
• Industrial process control
• Building automation
• Level tranlators
• Transceivers for EMI-sensitive applications
• Routers and HUBs
• Industrial-controlled Local Area Networks
• Industrial PCs, embedded PCs and peripherals
• Industrial, security CATV and camera applications
ZT483E/ZT485E
NowAvailable in Green Package Option
Product Selection GuideAnd Cross Reference
Part
Number
Duplex
# 0f
Tx/Rx
Data
Rate
(Mbps)
# of
Tx/Rx
on Bus
ZT483E Half 1/1 0.25
32
Slew
Rate
Limit
Yes
Rx
Input
Filtering
Low-
Power
Shutdown
Tx/Rx
Enable
Yes Yes Yes
ESD
on
Tx/Rx
± 15kV
Number
of Pins
8
Pin-to-Pin
Cross
Reference
MAX483E
ZT485E Half
1/1
10
32
No
No
Yes Yes ± 15kV 8
MAX485E
ZT488E Full
1/1 0.25
32
Yes Yes
No
No ± 15kV
8
MAX488E
ZT489E Full
1/1 0.25
32
Yes Yes
Yes
Yes ± 15kV
14
MAX489E
ZT490E Full 1/1 10 32 No No
ZT491E Full 1/1 10 32 No No
No
No ± 15kV
8
Yes
Yes ± 15kV
14
MAX490E
MAX491E
Zywyn
Specifications subject to change without notice
1 August 2004
Zywyn Corporation • Tel (408) 733-3225 • Fax (408) 733-3206 • Email [email protected] • www.zywyn.com
rev.1.2


ZT489E 데이터시트, 핀배열, 회로
Zywyn Corporation
Absolute Maximum Ratings
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications is
not implied. Exposure to absolute maximum rating condi-
tions for extended periods of time may affect reliability.
Power Supply, (VCC) .................................. –0.3V to +6.0V
Input Voltages
DI, DE, RE (VIH), High Input Voltage .............. +2V to +6.0V
DI, DE, RE (VIL), Low Input Voltage ............... 0V to +0.8V
Differential Input Voltage, (VID) ..................... -12V to +12V
A, B (VI) .......................................................... +12V to -7V
Output Voltages
www.DataSheet4U.com
RO ..................................................... –0.3V to (VCC +0.3V)
Y, Z (A & B on ZT485) ...................................... +12V to -7V
Operating Temperature ................................ –40°C to +85°C
Storage Temperature ................................. –65°C to +150°C
Power Dissipation Per Package
8-pin PDIP (derate 9.09mW/°C above +70°C) ........... 722mW
8-pin nSOIC (derate 6.14mW/°C above +70°C) ........ 500mW
14-pin PDIP (derate 10.00mW/°C above +70°C) ........ 800mW
14-pin nSOIC (derate 8.33mW/°C above +70°C) ...... 667mW
ZT4xxE
Storage Considerations
Storage in a low humidity environment is preferred. Large
high density plastic packages are moisture sensitive and
should be stored in Dry Vapor Barrier Bags. Prior to usage,
the parts should remain bagged and stored below 40°C
and 60%RH. If the parts are removed from the bag, they
should be used within 48 hours or stored in an environ-
ment at or below 20%RH. If the above conditions cannot
be followed, the parts should be baked for four hours at
125°C in order remove moisture prior to soldering. Zywyn
ships product in Dry Vapor Barrier Bags with a humidity
indicator card and desiccant pack. The humidity indicator
should be below 30%RH.
The information furnished by Zywyn has been carefully
reviewed for accuracy and reliability. Its application or
use, however, is solely the responsibility of the user. No
responsibility of the use of this information become part of
the terms and conditions of any subsequent sales agree-
ment with Zywyn. Specifications are subject to change
without the responsibility for any infringement of patents
or other rights of third parties which may result from its
use. No license or proprietary rights are granted by impli-
cation or otherwise under any patent or patent rights of
Zywyn Corporation.
Zywyn
Specifications subject to change without notice
2 August 2004
rev.1.2




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(ZT4xxE) Low Power 5V 250kbps/10Mbps RS485 Transceivers - Zywyn