DS1990A - Serial Number iButton
(Maxim Integrated)
AVAILABLE
DS1990A
Serial Number iButton
General Description
The DS1990A serial number iButton® is a rugged data carrier that serves as an electroni.
DS1990R - Serial Number IButton
(Maxim Integrated Products)
19-4894; Rev 8/09
DS1990R
Serial Number iButton
.maxim-ic.
GENERAL DESCRIPTION
The DS1990R Serial Number iButton is a rugged data carrier tha.
DS1991 - MultiKey iButton
(Dallas Semiconductor)
DS1991 MultiKey iButtonTM
.dalsemi.
SPECIAL FEATURES
1,152-bit secure read/write, nonvolatile memory § Secure memory cannot be deciphered .D.
DS1993 - (DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM
(Dallas Semiconductor)
DS1992/DS1993 1kb/4kb Memory iButton
.iButton.
SPECIAL FEATURES
4096 bits of Read/Write Nonvolatile Memory (DS1993) § 1024 bits of Read/Write N.
DS1994 - 4kb Plus Time Memory iButton
(Dallas Semiconductor)
DS1994 4kb Plus Time Memory iButton
.iButton.
SPECIAL FEATURES
4096 bits of Read/Write Nonvolatile Memory § 256-bit Scratchpad Ensures Integrit.
DS1995 - 16Kb Memory iButton
(Maxim Integrated)
19-4895; Rev 8/09
SPECIAL FEATURES
16384 bits of read/write nonvolatile memory 256-bit scratchpad ensures integrity of data
transfer Overdrive .