DS28EC20 Maxim, DS28EC20 Datasheet - Page 20

• Manufacturer Part Number: DS28EC20
• Description: The DS28EC20 is a 20480-bit, 1-Wire® EEPROM organized as 80 memory pages of 256 bits each
• Manufacturer: Maxim

Figure 9-2. ROM Functions Flowchart (continued)
NOTE: For operation at overdrive speed, the DS28EC20 requires V
From Figure 9,
From Figure 9,
To Figure 9, 1
To Figure 9,
1
1
1
st
st
st
Part
Part
Part
st
Part
Command?
RC = 1 ?
Resume
A5h
Y
Y
1) The OD flag remains at 1 if the device was already at overdrive
TX Reset ?
N
N
Master
speed before the Overdrive Match ROM command was issued.
N
20 of 27
RC = 0 ; OD = 1
Skip ROM?
TX Reset ?
Overdrive
Master
Y
3Ch
N
Y
PUP
N
Y
to be 5V ±5%.
Overdrive Match
Master TX Bit 63
RC = 0 ; OD = 1
Master TX Bit 0
Master TX Bit 1
DS28EC20: 20Kb 1-Wire EEPROM
Match?
Match?
Match?
RC = 1
ROM?
Bit 63
Bit 0
Bit 1
69h
Y
Y
Y
Y
N
N
N
N
OD = 0
OD = 0
OD = 0
1)
1)
1)