DS28EC20 Maxim, DS28EC20 Datasheet - Page 14

• 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 7-3. Memory Function Flowchart (continued)
From Figure 7,
To Figure 7,
2
2
nd
nd
Part
Part
TA1 (T[7:0]), TA2 (T[15:8])
Bus Master TX
Copy Scratch-
and E/S Byte
Bus Master
Auth. Code
TX Reset ?
Match ?
RX “1”s
N
Master
Pad ?
55h
* 1-Wire idle high for t
Y
Y
N
N
Y
14 of 27
PROG
for power
DS28EC20 copies Scratch-
Y
N
N
Y
pad Data to Address
DS28EC20 TX “1”
DS28EC20 TX “0”
DS28EC20: 20Kb 1-Wire EEPROM
Protected ?
TX Reset ?
TX Reset ?
BS = 0?
PF = 0?
AA = 1
Master
Master
Copy-
From Figure 7,
Y
To Figure 7,
N
4
Y
Y
N
4
th
th
Part
Part
N
*