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MAX3223EEAP+T 其他数据使用手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
接口芯片
封装:
SSOP-20
描述:
MAX3223EEAP+T 编带
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MAX3223EEAP+T数据手册
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General Description
The MAX3221E/MAX3223E/MAX3243E are 3V-powered
EIA/TIA-232 and V.28/V.24 communications interfaces
with automatic shutdown/wakeup features, high data-
rate capabilities, and enhanced electrostatic discharge
(ESD) protection. All transmitter outputs and receiver
inputs are protected to ±15kV using IEC 1000-4-2 Air-
Gap Discharge, to ±8kV using IEC 1000-4-2 Contact
Discharge, and to ±15kV using the Human Body Model.
The MAX3221E/MAX3223E/MAX3243E achieve a
1µA supply current with Maxim’s revolutionary
AutoShutdown™ feature. They save power without
changes to the existing BIOS or operating system by enter-
ing low-power shutdown mode when the RS-232 cable is
disconnected, or when the transmitters of the connected
peripherals are off.
The transceivers have a proprietary low-dropout trans-
mitter output stage, delivering true RS-232 performance
from a +3.0V to +5.5V supply with a dual charge pump.
The charge pump requires only four small 0.1µF capaci-
tors for operation from a +3.3V supply. Each device is
guaranteed to run at data rates of 250kbps while main-
taining RS-232 output levels.
The MAX3221E contains just one driver and one receiver,
making it the smallest single-supply RS-232 transceiver.
The MAX3223E has two drivers and two receivers. The
MAX3243E is a complete 3-driver/5-receiver serial port
ideal for notebook or subnotebook computers. It also
includes two noninverting receiver outputs that are always
active, allowing external devices to be monitored without
forward biasing the protection diodes in circuitry that may
be powered down.
The MAX3221E, MAX3223E, and MAX3243E are avail-
able in space-saving SSOP packages.
Applications
Notebook, Subnotebook, and Palmtop Computers
Cellular Phones
Battery-Powered Equipment
Hand-Held Equipment
Peripherals
Printers
Features
♦ ESD Protection for RS-232 I/O Pins:
±15kV—Human Body Model
±8kV—IEC1000-4-2, Contact Discharge
±15kV—IEC1000-4-2, Air-Gap Discharge
♦ Latchup Free
♦ 1µA Supply Current
♦ 250kbps Guaranteed Data Rate
♦ 6V/µs Guaranteed Slew Rate
♦ Meets EIA/TIA-232 Specifications Down to 3.0V
♦ Smallest Single-Supply RS-232 Transceiver
(MAX3221E)
♦ Guaranteed Mouse Driveability (MAX3243E)
♦ Small 0.1µF Capacitors
MAX3221E/MAX3223E/MAX3243E
†
±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
________________________________________________________________
Maxim Integrated Products
1
19-1283; Rev 2; 1/98
PART
MAX3221ECAE
MAX3221EEAE -40°C to +85°C
0°C to +70°C
TEMP. RANGE PIN-PACKAGE
16 SSOP
16 SSOP
AutoShutdown is a trademark of Maxim Integrated Products.
†
Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; 5,649,210; and other patents pending.
Pin Configurations appear at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
MAX3223EEPP -40°C to +85°C 20 Plastic DIP
MAX3223EEAP -40°C to +85°C 20 SSOP
MAX3243ECWI
0°C to +70°C 28 Wide SO
MAX3243ECAI 0°C to +70°C 28 SSOP
MAX3243EEWI -40°C to +85°C 28 Wide SO
MAX3243EEAI -40°C to +85°C 28 SSOP
MAX3223ECPP
MAX3223ECAP 0°C to +70°C
0°C to +70°C 20 Plastic DIP
20 SSOP
Ordering Information
Selector Guide
MAX3221E
MAX3223E
MAX3243E
1/1
2/2
3.0 to 5.5
3.0 to 5.5
3.0 to 5.53/5
✔
✔
✔
PART
NO. OF
DRIVERS/
RECEIVERS
V
CC
RANGE
(V)
AUTOSHUTDOWN
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
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