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Write 0 slot write 1 slot, Read data slot, Figure 6. 1-wire write and read time slots – Rainbow Electronics DS25LV02 User Manual

Page 12

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DS25LV02: Low-Voltage 1024-Bit EPROM

12 of 17

Figure 6. 1-Wire Write and Read Time Slots

WRITE 0 SLOT

WRITE 1 SLOT

t

SLOT

t

LOW0

t

SLOT

t

REC

t

LOW1

V

PULLUP

GND

Device Sample Window

MIN

TYP

MAX

15

ms

2

ms

15

ms

30

ms

1

ms

3

ms

Device Sample Window

MIN TYP

MAX

15

ms

2

ms

15

ms

30

ms

1

ms

3

ms

Overdrive

Standard

MODE

>1

ms

READ DATA SLOT

Data = 0

t

SLOT

15

ms

t

SLOT

t

REC

V

PULLUP

GND

Master Sample Window

t

RDV

15

ms

Master Sample Window

>1

ms

Data = 1

Overdrive

Standard

MODE

2

ms

2

ms

LINE TYPE LEGEND:

Bus Master active LOW

Slave Device active LOW

Both Bus Master and Slave Device

Resistor pullup

active LOW

t

RDV