DS28E04S-100+T Maxim Integrated Products, DS28E04S-100+T Datasheet - Page 14

• Manufacturer Part Number: DS28E04S-100+T
• Description: IC EEPROM 4KBIT 16SOIC
• Manufacturer: Maxim Integrated Products

Specifications of DS28E04S-100+T

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (256 x 16)
• Interface: 1-Wire Serial
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Speed: -

Figure 9-1. Memory/Control Function Flow Chart
Bus Master
RX “1”s
Scratchpad
Increments
DS28E04
Offset
TA1 (T7:T0), TA2 (T15:T8)
N
Bus Master TX EEPROM
DS28E04 sets Scratchpad
N
Bus Master TX Memory
Data Bytes as they were
of Command, Address,
sent by the bus master
Array Target Address
To Scratchpad Offset
DS28E04 TX CRC16
Function Command
Master TX Data Byte
Offset = (T4:T0),
Scrpad. Offset
Write Scratch-
Clears PF, AA
TX Reset ?
TX Reset ?
= 11111b?
Master
Master
pad ?
0Fh
N
Y
Y
Y
Flow Chart (Figure 14)
To ROM Functions
14 of 36
N
Y
Applies only if the page is not write
protected or in EPROM mode. If write-
protected, then the DS28E04 copies the
data byte from the target address into
the scratchpad. If in EPROM mode,
then the DS28E04 stores the bitwise
logical AND of the transmitted byte and
the data byte from the targeted address
into the scratchpad.
Flow Chart (Figure 14)
Partial
Byte ?
PF = 1
From ROM Functions
Y
N
From Figure 9
To Figure 9
2
2
nd
nd
Part
Part