DS28E04-100 Maxim, DS28E04-100 Datasheet - Page 36

• Manufacturer Part Number: DS28E04-100
• Description: The DS28E04-100 is a 4096-bit, 1-Wire® EEPROM chip with seven address inputs
• Manufacturer: Maxim

PIO ACCESS PULSE EXAMPLE
Generate a pulse on PIO1. Both PIOs are pulled high to V
With only a single DS28E04-100 connected to the bus master, the communication looks like this:
1)
PACKAGE INFORMATION
For the latest package outline information and land patterns (footprints), go to www.maxim-ic.com/packages.
Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different
suffix character, but the drawing pertains to the package regardless of RoHS status.
The "X" indicates the state of PIO0, which is not defined in this example.
PACKAGE TYPE
MASTER MODE
16 SO
RX
RX
RX
RX
TX
TX
TX
TX
TX
TX
PACKAGE CODE
DATA (LSB FIRST)
S16+1
1111110Xb
(Presence)
(Presence)
(Reset)
(Reset)
CCh
AAh
FEh
A5h
01h
36 of 37
CC
by a resistor. POL = 1. V
OUTLINE NO.
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “PIO Access Pulse” command
Write PIO selection mask
Write inverted PIO selection mask
Read confirmation byte
Read PIO pin status
Reset pulse
Presence pulse
21-0041
COMMENTS
CC
power is present.
1)
LAND PATTERN NO.
90-0097