1024-Bit, 1-Wire EEPROM
ꢁBSOLUꢂE MꢁXIMUM RꢁꢂINGS
IO Voltage Range to GND .......................................-0.5V to +6V
IO Sink Current ...................................................................20mA
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-55°C to +125°C
Lead Temperature (excluding UCSP, soldering, 10s).....+300°C
Soldering Temperature (reflow)
TO-92 ............................................................................+250°C
AIl other packages, excluding SFN ..............................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DS2431
ELECꢂRICꢁL CHꢁRꢁCꢂERISꢂICS
(T = -40°C to +85°C.) (Note 1)
A
PARAMETER
IO PIN: GENERAL DATA
1-Wire Pullup Voltage
1-Wire Pullup Resistance
Input Capacitance
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
R
(Note 2)
2.8
0.3
5.25
2.2
V
PUP
PUP
(Notes 2, 3)
(Notes 4, 5)
kꢀ
pF
µA
C
1000
6.7
IO
L
Input Load Current
I
IO pin at V
0.05
0.5
PUP
V
-
PUP
1.8
High-to-Low Switching Threshold
Input Low Voltage
V
TL
(Notes 5, 6, 7)
(Notes 2, 8)
V
V
V
V
0.5
IL
V
-
PUP
1.0
Low-to-High Switching Threshold
V
TH
(Notes 5, 6, 9)
(Notes 5, 6, 10)
1.0
Switching Hysteresis
Output Low Voltage
V
V
0.21
1.70
0.4
V
V
HY
At 4mA (Note 11)
Standard speed, R
OL
= 2.2kꢀ
= 2.2kꢀ
5
2
PUP
Overdrive speed, R
Recovery Time
(Notes 2,12)
PUP
t
µs
REC
REH
Overdrive speed, directly prior to reset
pulse; R = 2.2kꢀ
5
PUP
Standard speed
Overdrive speed
Standard speed
Overdrive speed
0.5
5.0
Rising-Edge Hold-Off Time
(Notes 5, 13)
t
µs
µs
Not applicable (0)
65
Time Slot Duration
(Notes 2, 14)
t
SLOT
8
IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
480
48
15
2
640
80
60
6
Reset Low Time (Note 2)
Presence-Detect High Time
Presence-Detect Low Time
t
µs
µs
µs
µs
RSTL
t
PDH
60
8
240
24
75
10
t
PDL
60
6
Presence-Detect Sample Time
(Notes 2, 15)
t
MSP
2
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
