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MAX3110ECNI Datasheet

  • MAX3110ECNI

  • IC, SGL UART, FIFO, 230KBPS, 5.5V, DIP28; No. of Channels:1;...

  • 32頁(yè)

  • Maxim   Maxim

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19-1494; Rev 0; 7/99
SPI/MICROWIRE-Compatible UART and 鹵15kV ESD-
Protected RS-232 Transceivers with Internal Capacitors
MAX3110E/MAX3111E
鈥?/div>
General Description
The MAX3110E/MAX3111E combine a full-featured uni-
versal asynchronous receiver/transmitter (UART) with
鹵15kV ESD-protected RS-232 transceivers and inte-
grated charge-pump capacitors into a single 28-pin
package for use in space-, cost-, and power-con-
strained applications. The MAX3110E/MAX3111E also
feature an SPI鈩?QSPI鈩?MICROWIRE鈩?compatible
serial interface to save additional board space and
microcontroller (碌C) I/O pins.
A proprietary low-dropout output stage enables the
2-driver/2-receiver interface to deliver true RS-232 per-
formance down to V
CC
= +3V (+4.5V for MAX3110E)
while consuming only 600碌A(chǔ). The receivers remain
active in a hardware/software-invoked shutdown, allow-
ing external devices to be monitored while consuming
only 10碌A(chǔ). Each device is guaranteed to operate at up
to 230kbps while maintaining true EIA/TIA-232 output
voltage levels.
The MAX3110E/MAX3111E鈥檚 UART includes a crystal
oscillator and baud-rate generator with software-pro-
grammable divider ratios for all common baud rates
from 300baud to 230kbaud. The UART features an 8-
word-deep receive FIFO that minimizes processor over-
head and provides a flexible interrupt with four
maskable sources. Two control lines (one input and
one output) are included for hardware handshaking.
The UART and RS-232 functions can be used together
or independently since the two functions share only
supply and ground connections (the MAX3110E/
MAX3111E are hardware- and software-compatible
with the MAX3100 and MAX3222E).
Features
o
Integrated RS-232 Transceiver and UART in a
Single 28-Pin Package
o
SPI/QSPI/MICROWIRE-Compatible 碌C Interface
o
Internal Charge-Pump Capacitors鈥?/div>
No External Components Required!
o
True RS-232 Operation Down to V
CC
= +3V
(MAX3111E)
o
ESD Protection for RS-232 I/O Pins
鹵15kV鈥擧uman Body Model
鹵8kV鈥擨EC 1000-4-2, Contact Discharge
鹵15kV鈥擨EC 1000-4-2, Air-Gap Discharge
o
Single-Supply Operation
+5V (MAX3110E)
+3.3V (MAX3111E)
o
Low Power
600碌A(chǔ) Supply Current
10碌A(chǔ) Shutdown Supply Current with
Receiver Interrupt Active
o
Guaranteed 230kbps Data Rate
o
Hardware/Software-Compatible with MAX3100
and MAX3222E
Ordering Information
PART
MAX3110ECWI
MAX3110ECNI
TEMP.
RANGE
0擄C to +70擄C
0擄C to +70擄C
PIN-
PACKAGE
28 Wide SO
28 Plastic DIP
V
CC
(V)
5
5
________________________Applications
Point-of-Sale (POS) Devices
Handy-Terminals
Telecom/Networking Diagnostic Ports
Industrial Front-Panel Interfaces
Hand-Held/Battery-Powered Equipment
Ordering Information continued at end of data sheet.
Typical Application Circuit
MAX3110E
MAX3111E
SPI
CS
碌P
SCLK
DIN
DOUT
U
A
R
T
1
6
2
7
3
8
4
9
5
RS-232
DB-9
Pin Configuration appears at end of data sheet.
鈥?/div>
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; and
other patents pending.
IRQ
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

MAX3110ECNI 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 14

  • 集成電路 (IC)

  • 接口 - UART（通用異步接收器/發(fā)送器）

  • -

  • 收發(fā)器

  • 1，UART

  • -

  • RS232，RS485

  • 4.5 V ~ 5.5 V

  • -

  • -

  • 是

  • 是

  • -

  • 是

  • 通孔

  • 28-DIP（0.300"，7.62mm）

  • 28-PDIP

  • 管件

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