MAX562EAI-T Maxim Integrated, MAX562EAI-T Datasheet

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MAX562EAI-T

Manufacturer Part Number
MAX562EAI-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX562r
Datasheet
1.MAX562EAI.pdf (8 pages)

Specifications of MAX562EAI-T

Data Rate
230 Kbps
Operating Supply Voltage
2.7 V to 5.25 V
Supply Current
33 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Drivers
3
Number Of I/os
16
Number Of Receivers
5
Propagation Delay Time Ns
0.5 us, 1.7 us
Shutdown
Yes
The MAX562 is designed specifically for notebook and
palmtop computers that need to transfer data quickly.
It runs at data rates up to 230kbps, and has a guaran-
teed 4V/µs slew rate. This device meets the new
EIA/TIA-562 standard that guarantees compatibility with
RS-232 interfaces.
The MAX562 has low-power shutdown and keep-awake
modes. In keep-awake mode, the transmitters are dis-
abled but all receivers are active, allowing unidirection-
al communication. In shutdown mode, the entire chip is
disabled and all outputs are in a high-impedance state.
The MAX562 is available in a standard 28-pin SO pack-
age, and in a smaller footprint shrink small-outline
package (SSOP).
________________________Applications
19-0144; Rev. 0; 9/93
™ LapLink is a registered trademark of Traveling Software, Inc.
Call toll free 1-800-998-8800 for free samples or literature.
__________Typical Operating Circuit
OUTPUTS
_______________General Description
INPUTS
+2.7V TO
+5.25V
INPUT
CMOS
CMOS
Palmtop, Notebook, and Subnotebook
Computers
Peripherals
Battery-Powered Equipment
0.33µF
R1
R2
R3
R4
R5
0.33µF
T1
T2
T3
OUT
OUT
OUT
OUT
OUT
EN
IN
IN
IN
C2
25
11
12
13
10
14
24
1
6
7
8
9
Serial Interface for Notebook Computers
V
C2+
C2-
________________________________________________________________ Maxim Integrated Products
C1A+ C1A-
CC
2
0.33µF
C1A
DOUBLER/TRIPLER
INVERTER
VOLTAGE
VOLTAGE
5
T1
T2
T3
GND
R1
R2
R3
R4
R5
27
3
C1B+ C1B-
0.33µF
C1B
5k
5k
5k
5k
5k
Complete 230kbps, 2.7V to 5.25V
4
V+
V-
28
26
18
17
16
23
22
21
20
19
15
MAX562
T1
T2
T3
R1
R2
R3
R4
R5
SHDN
C3
OUT
OUT
OUT
IN
IN
IN
IN
IN
C4
0.68µF
OUTPUTS
INPUTS
EIA/TIA
EIA/TIA
-562
-562
0.33µF
____________________________Features
* Contact factory for dice specifications.
__________________Pin Configuration
______________Ordering Information
MAX562CWI
MAX562CAI
MAX562C/D
MAX562EWI
MAX562EAI
TOP VIEW
230kbps Data Rate, LapLink™ Compatible
Operates from a 2.7V to 5.25V Supply
Designed for EIA/TIA-562 and EIA/TIA-232 Applications
Guaranteed 4.0V/µs Slew Rate
3 Drivers, 5 Receivers
Flow Through Pinout
Low-Power Shutdown and Keep-Awake Modes
Low-Cost, Surface-Mount External Capacitors
PART
R1
R2
R3
R4
R5
C1A+
C1B+
C1B-
C1A-
T3
T1
T2
V
OUT
OUT
OUT
OUT
OUT
EN
CC
IN
IN
IN
10
11
12
13
14
-40°C to +85°C
-40°C to +85°C
1
2
3
4
5
6
7
8
9
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
SO/SSOP
MAX562
25
24
23
19
18
17
16
15
28
27
26
22
21
20
V+
GND
V-
R1
R2
R3
R5
T1
T2
T3
C2+
C2-
R4
SHDN
PIN-PACKAGE
28 SO
28 SSOP
Dice*
28 SO
28 SSOP
IN
OUT
OUT
OUT
IN
IN
IN
IN
1

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MAX562EAI-T Summary of contents

Page 1

... Designed for EIA/TIA-562 and EIA/TIA-232 Applications Guaranteed 4.0V/µs Slew Rate 3 Drivers, 5 Receivers Flow Through Pinout Low-Power Shutdown and Keep-Awake Modes Low-Cost, Surface-Mount External Capacitors ______________Ordering Information PART MAX562CWI MAX562CAI MAX562C/D MAX562EWI MAX562EAI * Contact factory for dice specifications. __________________Pin Configuration MAX562 TOP VIEW 28 C3 0.68µ C1A+ C4 0.33µ ...

Page 2

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers ABSOLUTE MAXIMUM RATINGS V ......................................................................... -0. ................................................................ (V V- ............................................................................ +0.3V to -6V C1A+, C1B+.................................................. -6V to (V+ + 0.3V) C1A-, C1B-, C2+ ........................................ -0.3V to ...

Page 3

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers AC CHARACTERISTICS PARAMETER 1000pF Data Rate 150pF load each receiver output C = 50pF to 2500pF, L Transmitter Slew Rate R = 3kΩ to 7kΩ. Measured from +3V to -3V, ...

Page 4

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers __________________________________________Typical Operating Characteristics __________________________________________Typical Operating Characteristics (V = 3.3V, C1A = C1B = 0.33µ 0.68µ TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE 8.0 ...

Page 5

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers ______________________________________________________________Pin Description PIN NAME C1A+, C1A C1B+, C1B OUT 11, 12 SHDN 15 ...

Page 6

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers +3V SHDN 0V OUTPUT DISABLE TIME ( +3V TRANSMITTER OUTPUTS - TIMING DIAGRAM TEST CIRCUIT Figure 3. Transmitter-Output ...

Page 7

Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers 5 SHDN +2. +2. +3. 100 200 TIME ( s) Figure 5. Time ...

Page 8

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 ___________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1993 Maxim Integrated Products EIA/TIA-232E/V ...

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