DS1922E(2008) 查看數據表（PDF） - Maxim Integrated

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DS1922E
(Rev.:2008)

High-Temperature Logger iButton with 8KB Data-Log Memory

Maxim Integrated 

High-Temperature Logger iButton with 8KB

Data-Log Memory

1-Wire PORT I/O

ROM

FUNCTION

CONTROL

64-BIT

LASERED

ROM

PARASITE-POWERED

CIRCUITRY

3V LITHIUM

32.768kHz

OSCILLATOR

THERMAL

SENSE

DS1922E

MEMORY

FUNCTION

CONTROL

INTERNAL

TIMEKEEPING,

CONTROL REGISTERS,

AND COUNTERS

GENERAL-PURPOSE

SRAM

(512 BYTES)

REGISTER PAGES

(64 BYTES)

ADC

USER MEMORY

(64 BYTES)

CONTROL

LOGIC

DATA-LOG MEMORY

8KB

256-BIT

SCRATCHPAD

Figure 1. Block Diagram

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