Rainbow Electronics DS2432 - Manual (Page 29)

PRELIMINARY DS2432
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground -0.5V to +5.5V
Operating Temperature -40
°
C to +85
°
C
Storage Temperature -55
°
C to +125
°
C
Soldering Temperature See J-STD-020A specification
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS (V
PUP
=2.8V to 5.25V; -40°C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
1-Wire Input High V
IH
2.2 V 1, 7
1-Wire Input Low V
IL
-0.3 TBD V 1, 8
1-Wire Output Low @ 4 mA V
OL
0.4 V 1
1-Wire Output High V
OH
V
PUP
V 1, 2
Input Load Current I
L
5 µA 3
Programming Current I
LPROG
500 µA 9
CAPACITANCE (t
A
= 25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
1-Wire I/O C
IN/OUT
100 800 pF 5
ENDURANCE (V
PUP
=5.0V; T
A
= 25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Write/Erase Cycles N
CYCLE
50k —
Data Retention t
DRET
10 years
AC ELECTRICAL CHARACTERISTICS
REGULAR SPEED
(V
PUP
=2.8V to 5.25V; -40°C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Time Slot t
SLOT
60 120 µs
Write 1 Low Time t
LOW1
1 15 µs
Write 0 Low Time t
LOW0
60 120 µs
Read Low Time t
LOWR
1 15 µs
Read Data Valid t
RDV
15 µs 10
Release Time t
RELEASE
0 15 45 µs
Read Data Setup t
SU
1 µs 4
Recovery Time t
REC
1 µs
Reset High Time t
RSTH
480 µs
Reset Low Time t
RSTL
480 µs 6
Presence Detect High t
PDHIGH
15 60 µs
Presence Detect Low t
PDLOW
60 240 µs
Programming Time t
PROG
10 ms
SHA Computation Time t
CSHA
1.0 2.0 ms 9