DS28EC20+T Maxim Integrated Products, DS28EC20+T Datasheet - Page 15
![IC EEPROM 20KBIT TO92-3](/photos/6/93/69353/406-to-92_sml.jpg)
DS28EC20+T
Manufacturer Part Number
DS28EC20+T
Description
IC EEPROM 20KBIT TO92-3
Manufacturer
Maxim Integrated Products
Datasheet
1.DS28EC20PT.pdf
(27 pages)
Specifications of DS28EC20+T
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
20K (256 x 80)
Interface
1-Wire Serial
Operating Temperature
-40°C ~ 85°C
Package / Case
TO-92-3 (Standard Body), TO-226
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Speed
-
Figure 7-4. Memory Function Flow Chart (continued)
From Figure 7,
DS28EC20
To Figure 7,
Decision
made by
3
Bus Master
3
rd
rd
RX “1”s
DS28EC20
Increments
Part
Address
Part
Counter
Y
N
DS28EC20 sets Memory
Address = (T[15:0])
Memory Address
Read Memory ?
Bus Master RX
Data Byte from
Bus Master TX
TA2 (T[15:8])
TA1 (T[7:0]),
TX Reset?
TX Reset?
< 0A3Fh?
Address
Master
Master
BS = 1
F0h
N
N
Y
Y
Y
N
Decision
made by
Master RX
Master
FFh Byte
15 of 27
N
(1
DS28EC20 sets Memory
Y
Command, Address, Data
Master RX Byte from
st
(Subsequent Passes)
Master RX CRC16 of
Address = (T[15:0])
Memory Address
Pass); CRC16 of Data
Extended Read
Bus Master TX
TA2 (T[15:8])
TA1 (T[7:0]),
Master TX
CRC OK?
Master TX
Memory?
Address
<0A40h
Reset?
BS = 1
End of
Page?
Reset
A5h
N
Y
N
Y
Y
N
Y
N
DS28EC20
Increments
Address
Counter
N
Bus Master
TX Reset ?
RX “1”s
Master
Y