Dallas, maxim, DS1973,
DS1904 ,
DS1982,
DS1982U,
DS1996,
DS1985,
DS1971,
DS1990A,
DS1990,
DS1920 ,
DS1995,
DS1992,
DS1993,

iButton

datasheet, Описание, характеристики
https://para.maximintegrated.com/en/results.mvp?fam=ibutton&tree=master
Обзорная таблица iButton представлена в Табл.1.
Тип прибора
Код семейства
Серийный номер
Объем памяти / тип
Защита памяти
Часы
Таймер
Счетчик циклов
DS1990A
01H
DS1991
02H
512/NVRAM
3×384
DS1992
08H
1K/NVRAM
DS1993
06H
4K/NVRAM
DS1994
04H
4K/NVRAM
DS1995
0AH
16K/NVRAM
DS1996
0CH
64K/NVRAM

DS1982
09H
1K/EPROM
DS1985
0BH
16K/EPROM
DS1986
0FH
64K/EPROM
DS1920
10H
16/EEPROM
ДАТЧИК ТЕМПЕРАТУРЫ
Current Selections
Parametric Selection Controls
iButton
Asset Management
Electronic Access Control
Guard Tour
eCash
EEPROM
EPROM
NV SRAM
ROM Only
1K bits
4K bits
16 bits
16K bits
32K Bytes
64K bits
64 bits
256 bits
Password Protected
SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
Temperature High/Low
DS1972 1024-Bit EEPROM iButton® iButton Asset Management EEPROM 1K bits
DS1990R Serial Number iButton® iButton
Electronic Access Control
Guard Tour
ROM Only 64 bits
DS1977 32k Byte EEPROM iButton® iButton Asset Management EEPROM 32K Bytes Password Protected
DS1961S SHA Monetary iButton® iButton
Electronic Access Control
eCash
EEPROM 1K bits
SHA-1
Write-Only Secrets
DS1963S SHA Monetary iButton® iButton
Electronic Access Control
eCash
NV SRAM 4K bits
SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
DS1973 4k bit EEPROM iButton® iButton Asset Management EEPROM 4K bits
DS1904 Real-Time Clock iButton® iButton Asset Management ROM Only 64 bits
DS1982 1k bit Add-Only iButton® iButton Asset Management EPROM 1K bits
DS1982U UniqueWare iButton® iButton Asset Management EPROM 1K bits
DS1996 64k bit Memory iButton® iButton Asset Management NV SRAM 64K bits
DS1985 16k bit Add-Only iButton® iButton Asset Management EPROM 16K bits
DS1971 256 bit EEPROM iButton® iButton Asset Management EEPROM 256 bits
DS1990A Serial Number iButton® iButton
Electronic Access Control
ROM Only 64 bits
DS1920 Temperature iButton® iButton Asset Management EEPROM 16 bits
DS1995 16k bit Memory iButton® iButton Asset Management NV SRAM 16K bits
DS1992 1k bit iButton® iButton Asset Management NV SRAM 1K bits
DS1993 4k bit iButton® iButton Asset Management NV SRAM 4K bits

https://youtu.be/j6vmF0UqXE0

DS1972  1024-Bit EEPROM iButton®		iButton	Asset Management	EEPROM	1K bits	—	—	No	No	301	$2.60 @1k
DS1990R  Serial Number iButton®		iButton	Electronic Access Control Guard Tour	ROM Only	64 bits	—	—	No	No	301	$1.54 @1k
DS1977  32k Byte EEPROM iButton®		iButton	Asset Management	EEPROM	32K Bytes	Password Protected	—	No	No	301	$8.80 @1k
DS1961S  SHA Monetary iButton®		iButton	Electronic Access Control eCash	EEPROM	1K bits	SHA-1 Write-Only Secrets	—	No	No	301	$2.34 @1k
DS1963S  SHA Monetary iButton®		iButton	Electronic Access Control eCash	NV SRAM	4K bits	SHA-1 Secure Coprocessor Write Cycle Counters Write-Only Secrets	—	No	No	301	$6.06 @1k
DS1973  4k bit EEPROM iButton®		iButton	Asset Management	EEPROM	4K bits	—	—	No	No	301	$3.43 @1k
DS1904  Real-Time Clock iButton®		iButton	Asset Management	ROM Only	64 bits	—	—	No	Yes	301	$5.15 @1k
DS1982  1k bit Add-Only iButton®		iButton	Asset Management	EPROM	1K bits	—	—	No	No	301	$1.74 @1k
DS1982U  UniqueWare iButton®		iButton	Asset Management	EPROM	1K bits	—	—	Yes	No	—	—
DS1996  64k bit Memory iButton®		iButton	Asset Management	NV SRAM	64K bits	—	—	No	No	301	$8.03 @1k
DS1985  16k bit Add-Only iButton®		iButton	Asset Management	EPROM	16K bits	—	—	No	No	301	$2.70 @1k
DS1971  256 bit EEPROM iButton®		iButton	Asset Management	EEPROM	256 bits	—	—	No	No	301	$2.64 @1k
DS1990A  Serial Number iButton®		iButton	Electronic Access Control Guard Tour	ROM Only	64 bits	—	—	No	No	301	$1.54 @1k
DS1920  Temperature iButton®		iButton	Asset Management	EEPROM	16 bits	—	Temperature High/Low	No	No	301	$4.40 @1k
DS1995  16k bit Memory iButton®		iButton	Asset Management	NV SRAM	16K bits	—	—	No	No	301	$7.50 @1k
DS1992  1k bit iButton®		iButton	Asset Management	NV SRAM	1K bits	—	—	No	No	301	$5.81 @1k
DS1993  4k bit iButton®		iButton	Asset Management	NV SRAM	4K bits	—