DS1921K# Maxim Integrated Products, DS1921K# Datasheet - Page 30
![KIT IBUTTON THERMOCHRON](/photos/7/83/78301/ds1921k__sml.jpg)
DS1921K#
Manufacturer Part Number
DS1921K#
Description
KIT IBUTTON THERMOCHRON
Manufacturer
Maxim Integrated Products
Series
iButton®r
Specifications of DS1921K#
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Memory Type
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Thermochron iButton
Figure 13b. ROM Functions Flowchart
30
______________________________________________________________________________________
TO FIGURE 13a
FROM FIGURE 13a
FROM FIGURE 13a
TO FIGURE 13a
***ALWAYS TO BE TRANSMITTED AT OVERDRIVE SPEED.
COMMAND?
SKIP ROM
CCh
Y
N
OVERDRIVE-
SKIP ROM?
Tx RESET
MASTER
PULSE?
OD = 1
3Ch
Y
N
Y
N
MASTER Tx BIT 63
MASTER Tx BIT 0
MASTER Tx BIT 1
BIT 63 MATCH?
MATCH ROM?
BIT 0 MATCH?
BIT 1 MATCH?
OVERDRIVE-
OD = 1
69h
Y
Y
Y
Y
N
N
N
***
***
***
N