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PDF DS9097U-E25 Data sheet ( Hoja de datos )
| Número de pieza | DS9097U-E25 | |
| Descripción | Universal 1-Wire COM Port Adapter | |
| Fabricantes | Dallas Semiconducotr | |
| Logotipo |  |
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DS9097U
Universal 1-Wire® COM Port Adapter
FEATURES
True-ground interface to an RS232 COM Port
for reading and writing 1-Wire devices
Works with bipolar as well as unipolar logic
signals
Compatible to COM ports of (±)5V to (±)12V
(DB-9 version only) or (±)6V to (±)12V
(DB-25 version)
Supports reading and writing at regular and
Overdrive speeds
Provides strong pull-up to 5V for Tempera-
ture-, Crypto- and EEPROM 1-Wire devices
Programs 1-Wire EPROM devices (DB-25
version with external 12V power supply only)
Communicates at data rates of 9.6 (default),
19.2, 57.6 and 115.2 kbits/s
Standard DB-9 or DB-25 female connector
and 6-lead RJ-11 connector for easy attach-
ment of standard 1-Wire cables and probes
Includes DS2502 identification chip
(DS9097U-009 only)
PIN ASSIGNMENT
DB-25: TXD (2), RXD (3), DTR (20), RTS (4),
PC-Ground (7); all other pins not connected
DB-9: TXD (3), RXD (2), DTR (4), RTS (7),
PC-Ground (5); all other pins not connected
NOTE:
The external supply for the DS9097U-E25 must
provide well regulated 12V @ 10 mA minimum,
center = GND, outer ring = V+ (Newark
Electronics Stock No. 84F2081, Allied
Electronics Stock No. 928-9895, Stancor Model
STA-300R, or equivalent)
ORDERING INFORMATION
DS9097U-009 DB-9, with DS2502 ID chip
DS9097U-S09 DB-9, no ID chip
DS9097U-E25 DB-25, with EPROM write
PACKAGE OUTLINE
DB-09 version
RJ-11 pin 1
SIDE VIEW
DB-25 version
REAR VIEW
RJ-11 pin 1
SIDE VIEW
2.1mm
power jack
- contact
+ contact
REAR VIEW
SCHEMATIC (for illustration)
DB-9 version
RS232
COM Port
RTS
DTR
RXD
TXD
GND
5V
Reg.
DS9097U-009
only
46
8
DS 5
2480B
72
1
ID
Chip
RJ-11
6
5
4 1-W
3 GND
2
1
DB-25 version
RS232
Power Jack
COM Port
RJ-11
RTS
DTR
RXD
TXD
GND
5V
Reg.
9V
46
8
DS 5
2480B
72
6
5
4 1-W
3 GND
2
1
1
1 of 2
091100
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet DS9097U-E25.PDF ] | |
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