m5232p ETC-unknow, m5232p Datasheet
m5232p
Manufacturer Part Number
m5232p
Description
Multiple Rs-232 Drivers Receivers
Manufacturer
ETC-unknow
Datasheet
1.M5232P.pdf
(2 pages)
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Part Number
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Quantity:
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Acer Laboratories Inc.
M5232P : RS-232 Chip
1. Features
n Drivers
- Current Limited Output ... 10mA Typical
- Power-off Output impedance ... 300ohm Min.
- Slew rate control by load capacitor
- Flexible Supply Voltage Range
- Input compatible with most TTL and DTL
2. Description
The ALi's M5232P combines three drivers and five receivers from ASP trade standard AP232 bipolar
quadruple drivers and receivers, respectively. The pinout matches the flow through design of the
AP232 to decrease the part count, reduce the board space required, and allow easy interconnection of
the UART and serial-port connector of IBM PC/AT and compatibles. The bipolar circuits and processing
of the M5232P provides a rugged low-cost solution for this function at the expense of quiescent power
and external passive components relative to the AP232.
The M5232P complies with the requirements of the EIA/TIA 232-D and ITU (formally CCITT) v.28
standards.
signalling rates up to 20k bits/sec. The switching speeds of the M5232P are fast enough to support
rates up to 120 kbps with lower capacitive loads (shorter cables). Interoperability at the higher signalling
rates cannot be assured unless the designer has design control of the cable and the interface circuits at
both ends. For compatibility with signalling rates to 120 kbps, use of EIA/ITA-423-B (ITU v.10) and EIA/
ITA-422-B (ITU v.11) standards are recommended.
The M5232P is operable at the temperature range of 0
06-28-1997, Document Number: 5232DS02.doc
Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C.
M5232P : Multiple RS-232 Drivers and Receivers
circuits
These standards are for data interchange between a host computer and peripheral at
n Receivers
Tel: 886-(02) 762-8800
o
C to 75
- Input resistance ..... 3kohm to 7kohm
- Input signal range .... ± 30V
- Built-in Input Hysteresis
--Confidential, Proprietary--
o
C.
Fax: 762-6060
Page 1
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m5232p Summary of contents
Page 1
... These standards are for data interchange between a host computer and peripheral at signalling rates up to 20k bits/sec. The switching speeds of the M5232P are fast enough to support rates up to 120 kbps with lower capacitive loads (shorter cables). Interoperability at the higher signalling rates cannot be assured unless the designer has design control of the cable and the interface circuits at both ends ...
Page 2
... DY2 DA2 RA4 RY4 DY3 DA3 RA5 RY5 Page 2 Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C. Acer Laboratories Inc. M5232P : RS-232 Chip 4. Pin Description Table Pin Name Description RAx Receiver inputs RYx Receiver outputs DAx Driver inputs DYx Driver outputs 6 ...