DS9094FS/NO-BRAND, DS9097, DS9097E Selling Leads, Datasheet
MFG:DALLAS D/C:00+
DS9094FS/NO-BRAND, DS9097, DS9097E Datasheet download
Part Number: DS9094FS/NO-BRAND
MFG: DALLAS
Package Cooled:
D/C: 00+
DS9094FS/NO-BRAND, DS9097, DS9097E
- Table of contents:
Info of DS9094FS/NO-BRAND
Info of DS9097
Info of DS9097E
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About DS9
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Datasheet: DS9
File Size: 292285 KB
Manufacturer: Linear
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About DS9097
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Datasheet: DS9097
File Size: 77384 KB
Manufacturer: DALLAS [Dallas Semiconducotr]
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About DS9097E
PDF/DataSheet Download
Datasheet: DS9097E
File Size: 77384 KB
Manufacturer: DALLAS [Dallas Semiconducotr]
Download : Click here to Download
DS9097 General Description
The DS9097 COM Port Adapter is a simple, low-cost passive adapter which performs RS232C (±12V) level conversion, allowing an iButton probe to be connected to the serial port of a computer so that a non-EPROM iButton can be read and written directly. It can also read all EPROM-based iButtons. The serial port must support a data transmission rate of 115.2 kbits/s in order to create the 1-Wire TM time slots correctly. Nearly all PCs support the required data rate and are fully compatible with the DS9097. Since an 8-bit character (6 data bits plus start and stop bit) on the RS232 port operating at 115.2 kbits/s is used to form a single 1-Wire time slot, the maximum effective 1-Wire transfer rate is 14.4 kbits/s (regular speed). Details on the operation of the DS9097 including software examples are found in Application Note 74, Section V.
The DS9097E is an upgraded version of the DS9097 that is capable of supplying the 12 volts necessary to program the EPROM-based iButton products (DS198x Add-Only iButtons) in addition to reading and writing SRAM and EEPROM-based devices (DS199x, DS196x, DS197x). When combined with the appropriate software, the DS9097E can be used in a standalone mode where all of the programming current is supplied by the serial port itself. In this configuration, the maximum number of EPROM bits that can be programmed simultaneously is four on a typical serial port. For higher performance, the above mentioned 12V auxiliary supply can be plugged into the power jack on the DS9097E and with proper software enable the serial port to program up to eight EPROM bits simultaneously.
DS9097 Features
Provides a simple, low-cost interface to an RS232C COM Port for reading and writing iButtonTM devices (DS9097E required for programming
DS198x Add-Only iButtons)
Adapter is powered entirely from an RS232 interface (DS9097E may require optional auxiliary 12V supply)
Standard DB-9 (DSD9097) or DB-25
(DS9097E) female connector for mating the adapter to the COM Port of a computer and RJ-11 connector for easy attachment of a probe such as the DS9092GT DS9097E has an additional 2.1 mm male power jack to allow for an auxiliary 12V DC supply for programming Add-Only iButtons
Pin assignment DS9097, DB-9 TXD (3), RXD (2), DTR (4), PC-Ground (5); all other pins not connected
Pin assignment DS9097E, DB-25 TXD (2), RXD (3), DTR (20), RTS (4), PC- Ground (7); all other pins not connected
Auxiliary supply should be a regulated 12V @ 10 mA minimum, center=GND, outerring=V+ (Newark Electronics Stock No.84F2081, Allied Electronics Stock No. 928-9895, Stancor Model STA-300R, or equivalent)
DS9097E General Description
The DS9097 COM Port Adapter is a simple, low-cost passive adapter which performs RS232C (±12V) level conversion, allowing an iButton probe to be connected to the serial port of a computer so that a non-EPROM iButton can be read and written directly. It can also read all EPROM-based iButtons. The serial port must support a data transmission rate of 115.2 kbits/s in order to create the 1-Wire TM time slots correctly. Nearly all PCs support the required data rate and are fully compatible with the DS9097. Since an 8-bit character (6 data bits plus start and stop bit) on the RS232 port operating at 115.2 kbits/s is used to form a single 1-Wire time slot, the maximum effective 1-Wire transfer rate is 14.4 kbits/s (regular speed). Details on the operation of the DS9097 including software examples are found in Application Note 74, Section V.
The DS9097E is an upgraded version of the DS9097 that is capable of supplying the 12 volts necessary to program the EPROM-based iButton products (DS198x Add-Only iButtons) in addition to reading and writing SRAM and EEPROM-based devices (DS199x, DS196x, DS197x). When combined with the appropriate software, the DS9097E can be used in a standalone mode where all of the programming current is supplied by the serial port itself. In this configuration, the maximum number of EPROM bits that can be programmed simultaneously is four on a typical serial port. For higher performance, the above mentioned 12V auxiliary supply can be plugged into the power jack on the DS9097E and with proper software enable the serial port to program up to eight EPROM bits simultaneously.
DS9097E Features
Provides a simple, low-cost interface to an RS232C COM Port for reading and writing iButtonTM devices (DS9097E required for programming
DS198x Add-Only iButtons)
Adapter is powered entirely from an RS232 interface (DS9097E may require optional auxiliary 12V supply)
Standard DB-9 (DSD9097) or DB-25
(DS9097E) female connector for mating the adapter to the COM Port of a computer and RJ-11 connector for easy attachment of a probe such as the DS9092GT DS9097E has an additional 2.1 mm male power jack to allow for an auxiliary 12V DC supply for programming Add-Only iButtons
Pin assignment DS9097, DB-9 TXD (3), RXD (2), DTR (4), PC-Ground (5); all other pins not connected
Pin assignment DS9097E, DB-25 TXD (2), RXD (3), DTR (20), RTS (4), PC- Ground (7); all other pins not connected
Auxiliary supply should be a regulated 12V @ 10 mA minimum, center=GND, outerring=V+ (Newark Electronics Stock No.84F2081, Allied Electronics Stock No. 928-9895, Stancor Model STA-300R, or equivalent)
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