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DS2223 Datasheet(PDF) 10 Page - Dallas Semiconductor

Part # DS2223
Description  EconoRAM
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2223 Datasheet(HTML) 10 Page - Dallas Semiconductor

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DS2223/DS2224
080598 10/10
AC ELECTRICAL CHARACTERISTICS
(–40
°C to +85°C; VCC=1.4V ± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
tSLOT
70
µs
Read Data Valid
tRDV
exactly 15
µs
Release Time
tRELEASE
0
15
45
µs
Write 1 Low Time
tLOW1
1
15
µs
Write 0 Low Time
tLOW0
60
µs
Data Setup Time
tSU
1
µs
8
Recovery Time
tREC
1
µs
AC ELECTRICAL CHARACTERISTICS
(–40
°C to +85°C; VCC=2.0V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
tSLOT
60
µs
Read Data Valid
tRDV
exactly 15
µs
Release Time
tRELEASE
0
15
45
µs
Write 1 Low Time
tLOW1
1
15
µs
Write 0 Low Time
tLOW0
60
µs
Data Setup Time
tSU
1
µs
8
Recovery Time
tREC
1
µs
NOTES:
1. All voltages are referenced to ground.
2. VPUP = external pull–up voltage to system sypply.
3. Input pull–down resistance to ground.
4. @ VOL=0.4V
5. 36 nanocoulombs per 264 time slots @ 1.5V (see Figure 6).
6. See Figure 7 for typical values over temperature.
7. @ VOL=0.2V
8. Read data setup time refers to the time the host must pull the 1–Wire line low to read a bit. Data is guaran-
teed to be valid within 1
µs of this falling edge and will remain valid for 14 µs minimum (15 µs total from falling
edge on the 1–Wire line).



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