ZT483E Datasheet PDF - Zywyn
| Part Number | ZT483E | |
| Description | (ZT4xxE) Low Power 5V 250kbps/10Mbps RS485 Transceivers | |
| Manufacturers | Zywyn | |
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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.DataShe•etL4Uo.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
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Zywyn Corporation
ZT4xxE
ACElectrical Characteristics (ZT483E, ZT488E, and ZT489E)
Unless otherwise stated, VCC = +5.0V, TA = Tmin to Tmax, typical values apply at VCC = +5.0V and TA = 25°C.
Parameter
Condition
Min
Transmitter Timing
Transmitter Propagation tPLH
Transmitter Propagation tPHL
Transmitter Output Skew tSK
Transmitter Rise/Fall Time
Transmitter Output Enable
Transmitter Output Disable
www.DataSheet4U.com
Receiver Timing
RDIFF = 54Ω, CL = 50pF. Refers to figure 4.
RDIFF = 54Ω, CL = 50pF. Refers to figure 4.
|tPLH - tPHL|
tr, tf , RDIFF = 54Ω, CL = 50pF, Refers to figure 4.
To Output HIGH, CL = 50pF, RL = 110Ω. Refers to figure 5.
To Output LOW, CL = 50pF, RL = 110Ω. Refers to figure 6.
From Output HIGH, CL = 15pF, RL = 110Ω. Refers to figure 5.
From Output LOW, CL = 15pF, RL = 110Ω. Refers to figure 6.
250
250
250
Receiver Propagation tPLH
Receiver Propagation tPHL
Differential Receiver Skew tSK
Receiver Output Enable
Receiver Output Disable
Shutdown Timing
CL = 15pF, Refers to figure 9.
CL = 15pF, Refers to figure 9.
|tPHL - tPLH|
To Output HIGH, CL = 15pF, Refers to figure 10.
To Output LOW, CL = 15pF, Refers to figure 11.
From Output HIGH, CL = 15pF, Refers to figure 10.
From Output LOW, CL = 15pF, Refers to figure 11.
250
250
Time to Shutdown, tSHDN
Transmitter Enable from
SHUTDOWN to Output HIGH
Transmitter Enable from
SHUTDOWN to Output LOW
Receiver Enable from
SHUTDOWN to Output HIGH
Receiver Enable from
SHUTDOWN to Output LOW
Transceiver Throughput
Maximum Data Rate
ESD Tolerance
ZT483E
CL = 50pF, RL = 110Ω. Refers to figure 5.
CL = 50pF, RL = 110Ω. Refers to figure 6.
CL = 15pF, RL = 1kΩ. Refers to figure 12.
CL = 15pF, RL = 1kΩ. Refers to figure 12.
RL = 54Ω, CL = 50pF, TA = 25°C.
50
0.25
ESD HBM
RS485 Inputs and Outputs
Typ
800
800
20
100
100
100
100
10
100
100
100
100
200
200
200
200
200
±15
Max Units
2000
2000
800
2000
ns
ns
ns
ns
ns
ns
ns
ns
2000
2000
ns
ns
ns
ns
ns
ns
ns
600 ns
ns
ns
ns
ns
Mbps
kV
Zywyn
Specifications subject to change without notice
5 August 2004
rev.1.2
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ZT483E electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ZT483E.PDF Datasheet ] | |
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