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MAX1489E 15kV ESD-Protected, Quad, Low-Power RS-232 Line Receiver MaximIC
Maxim Integrated MaximIC
MAX1489E Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
19-0426; Rev 1; 2/03
±15kV ESD-Protected, Quad,
Low-Power RS-232 Line Receiver
_______________General Description
The MAX1489E quad, low-power line receiver is
designed for EIA/TIA-232, EIA/TIA-562, and CCITT V.28
communications in harsh environments. Each receiver
input is protected against ±15kV electrostatic dis-
charge (ESD) shocks. These inputs have a ±25V range
and feature hysteresis and time-domain filtering. The
outputs are TTL and CMOS compatible. The MAX1489E
has a 120kbps guaranteed data rate. Supply current is
typically 350µA.
The MAX1489E is pin compatible with the MC1489,
MC14C89, SN75189, SN75C189, DS1489, and
DS14C89. It is available in 14-pin plastic DIP and SO
packages.
________________________Applications
PC Motherboards
Modems
Interfacing Data Terminal Equipment (DTE) with
Data Circuit-Terminating Equipment (DCE)
Equipment Meeting IEC1000-4-2 (formerly
IEC801-2) or ±15kV ESD Protection
____________________________Features
o Enhanced ESD Protection:
±15kV—Human Body Model
±8kV—IEC1000-4-2, Contact Discharge
±15kV—IEC1000-4-2, Air-Gap Discharge
o Latchup Free During an ESD Event
o Low 350µA Supply Current
o Input Hysteresis and Time-Domain Filtering
Eliminate the Need for External Filtering
o Stable Input Thresholds
o Pin Compatible with MC1489, MC14C89, SN75189,
SN75C189, DS1489, and DS14C89
______________Ordering Information
PART
TEMP RANGE
MAX1489ECPD
0°C to +70°C
MAX1489ECSD
0°C to +70°C
MAX1489EC/D
0°C to +70°C
MAX1489EEPD -40°C to +85°C
MAX1489EESD -40°C to +85°C
* Dice are specified at TA = +25°C.
PIN-PACKAGE
14 Plastic DIP
14 SO
Dice*
14 Plastic DIP
14 SO
__________Typical Operating Circuit __________________Pin Configuration
14 MAX1488E
14 MAX1489E
TTL/CMOS
LOGIC
INTERCONNECTING
CABLE
TTL/CMOS
LOGIC
14 MAX1489E
14 MAX1488E
SIGNAL GROUND
PC
MOTHERBOARD
(DTE)
MODEM
(DCE)
TOP VIEW
INPUT A 1
N.C. 2
OUTPUT A 3
INPUT B 4
N.C. 5
OUTPUT B 6
GND 7
MAX1489E
14 VCC
13 INPUT D
12 N.C.
11 OUTPUT D
10 INPUT C
9 N.C.
8 OUTPUT C
DIP/SO
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Direct download click here

 

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