DS28E04S-100+T Maxim Integrated Products, DS28E04S-100+T Datasheet - Page 36

• 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: -

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
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo
The "X" indicates the state of PIO0, which is not defined in this example.
MASTER MODE
RX
RX
RX
RX
TX
TX
TX
TX
TX
TX
.)
DATA (LSB FIRST)
1111110Xb
(Presence)
(Presence)
(Reset)
(Reset)
CCh
AAh
FEh
A5h
01h
36 of 36
CC
by a resistor. POL = 1. V
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
COMMENTS
CC
power is present.
1)