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參數(shù)資料
| 型號： | ISL3178AEMBZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | TXRX ESD 3.3V RS485/422 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
1
FN6887.2
ISL3178AE
±15kV ESD Protected, 3.3V, Full Fail-Safe,
Low Power, High Speed or Slew Rate
Limited, RS-485/RS-422 Transceivers
The Intersil ISL3178AE is ±15kV IEC61000 ESD protected,
3.3V-powered, single transceivers that meet both the
RS-485 and RS-422 standards for balanced communication.
This device has very low bus currents (+125mA/-100mA),
which presents a true “1/8 unit load” to the RS-485 bus. This
allows up to 256 transceivers on the network without violating
the RS-485 specification’s 32 unit load maximum, and without
using repeaters. For example, in a remote utility meter reading
system, individual meter readings are routed to a concentrator
via an RS-485 network, so the high allowed node count
minimizes the number of repeaters required.
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven.
Hot Plug circuitry ensures that the Tx and Rx outputs remain
in a high impedance state while the power supply stabilizes.
The ISL3178AE is a half duplex version. It multiplexes the
Rx inputs and Tx outputs to allow transceivers with output
disable functions in an 8 Ld package.
Pinout
ISL3178AE
(8 LD SOIC)
TOP VIEW
Features
IEC61000 ESD protection on RS-485 I/O pins . . . . ±15kV
- Class 3 ESD level on all other pins . . . . . . . >7kV HBM
Full fail-safe (open, short, terminated/floating) receivers
Hot plug - Tx and Rx outputs remain three-state during
Power-up (only versions with output enable pins)
True 1/8 unit load allows up to 256 devices on the bus
Single 3.3V supply
High data rates . . . . . . . . . . . . . . . . . . . . . . . up to 10Mbps
Low quiescent supply current. . . . . . . . . . . . .800A (max)
- Ultra low shutdown supply current . . . . . . . . . . . . .10nA
-7V to +12V common mode input/output voltage range
Half duplex pinouts
Three state Rx and Tx outputs available
Current limiting for driver overload protection
Pb-free (RoHS compliant)
Applications
Automated utility meter reading systems
High node count systems
Field bus networks
Security camera networks
Building environmental control/ lighting systems
Industrial/process control networks
RO
RE
DE
DI
1
2
3
4
8
7
6
5
VCC
B/Z
A/Y
GND
D
R
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
HALF/FUL
L DUPLEX
DATA RATE
(Mbps)
SLEW-
RATE
LIMITED?
HOT
PLUG?
#
DEVICES
ON BUS
RX/TX
ENABLE?
QUIESCENT
ICC (A)
LOW POWER
SHUTDOWN?
PIN
COUNT
ISL3178AEM
HALF
10
NO
YES
256
YES
510
YES
8
ISL3178AEMW
HALF
10
NO
YES
256
YES
510
YES
N/A
Data Sheet
December 2, 2013
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2009, 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL3178AEMW | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers |
| ISL3178E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:RS-485/RS-422 Transceivers |
| ISL3178EIBZ | 功能描述:RS-422/RS-485 接口 IC 8LD -40+85 3V RS-485 1/2 DUP 10M 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| ISL3178EIBZ-T | 功能描述:TXRX ESD 3.3V RS-485/422 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ISL3178EIBZ-T7A | 功能描述:IC TXRX RS485/422 ESD 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:發(fā)射器 驅(qū)動器/接收器數(shù):4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
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