參數(shù)資料
型號(hào)： MAX562
廠商： Maxim Integrated Products, Inc.
英文描述： Complete 230kbps, 2.7V to 5.25V Serial Interface for Notebook Computers(2.7~5.25V,230kbps,高速RS-232串行口)
中文描述： 完備的、230kbps、2.7V至5.25V串行接口，用于筆記本電腦
文件頁(yè)數(shù)： 1/8頁(yè)
文件大小： 96K
代理商： MAX562
19-0144; Rev. 0; 9/93
_______________General Desc ription
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).
________________________Applic ations
Palmtop, Notebook, and Subnotebook
Computers
Peripherals
Battery-Powered Equipment
____________________________Features
o
230kbps Data Rate, LapLink Compatible
o
Operates from a 2.7V to 5.25V Supply
o
Designed for EIA/TIA-562 and EIA/TIA-232 Applications
o
Guaranteed 4.0V/μs Slew Rate
o
3 Drivers, 5 Receivers
o
Flow Through Pinout
o
Low-Power Shutdown and Keep-Awake Modes
o
Low-Cost, Surface-Mount External Capacitors
______________Ordering Information
*Contact factory for dice specifications.
M
Complete 230kbps, 2.7V to 5.25V
S erial Interfac e for Notebook Computers
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
CC
GND
V-
C2+
C2-
R1
IN
SHDN
R2
IN
R3
IN
R4
IN
R5
IN
T1
OUT
T2
OUT
T3
OUT
EN
T3
IN
T2
IN
T1
IN
R5
OUT
R4
OUT
R3
OUT
R2
OUT
R1
OUT
C1A-
C1B-
C1B+
C1A+
V+
MAX562
SO/SSOP
TOP VIEW
__________________Pin Configuration
T1
T2
T3
R1
R2
R3
R4
R5
5k
5k
5k
5k
5k
GND
19
15
SHDN
R5
IN
R4
IN
R3
IN
R2
IN
R1
IN
T3
OUT
T2
OUT
T1
OUT
R5
OUT
R4
OUT
R3
OUT
R2
OUT
R1
OUT
EN
T3
IN
T2
IN
T1
IN
VOLTAGE
DOUBLER/TRIPLER
VOLTAGE
INVERTER
20
21
22
23
16
17
18
26
28
4
5
3
C1B+ C1B-
2
C1A+ C1A-
V
CC
1
25
12
24
11
13
6
7
8
9
10
14
27
C2-
C2+
V-
C1A
C1B
V+
C3
0.68μF
C4
0.33μF
0.33μF
+2.7V TO
+5.25V
INPUT
0.33μF
0.33μF
0.33μF
CMOS
INPUTS
CMOS
OUTPUTS
EIA/TIA
-562
INPUTS
EIA/TIA
-562
OUTPUTS
C2
MAX562
__________Typic al Operating Circ uit
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 SO
28 SSOP
Dice*
28 SO
28 SSOP
MAX562CWI
MAX562CAI
MAX562C/D
MAX562EWI
MAX562EAI
LapLink is a registered trademark of Traveling Software, Inc.
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