DS1922E Maxim, DS1922E Datasheet - Page 7
DS1922E
Manufacturer Part Number
DS1922E
Description
The DS1922E temperature logger iButton is a rugged, self-sufficient system that measures temperature and records the result in a protected memory section
Manufacturer
Maxim
Datasheet
1.DS1922E.pdf
(44 pages)
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Figure 1. Block Diagram
High-Temperature Logger iButton with 8KB
3V LITHIUM
_______________________________________________________________________________________
THERMAL
OSCILLATOR
1-Wire PORT
SENSE
32.768kHz
I/O
ADC
DS1922E
CONTROL REGISTERS,
AND COUNTERS
CONTROL
TIMEKEEPING,
LOGIC
INTERNAL
FUNCTION
CONTROL
ROM
DATA-LOG MEMORY
GENERAL-PURPOSE
REGISTER PAGES
USER MEMORY
(512 BYTES)
(64 BYTES)
(64 BYTES)
SRAM
LASERED
8KB
64-BIT
ROM
FUNCTION
CONTROL
MEMORY
Data-Log Memory
PARASITE-POWERED
CIRCUITRY
SCRATCHPAD
256-BIT
7
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