DS1972-F3+ Maxim Integrated Products, DS1972-F3+ Datasheet - Page 2

• Manufacturer Part Number: DS1972-F3+
• Description: IBUTTON EEPROM 1KBit F3
• Manufacturer: Maxim Integrated Products
• Series: iButton®r

Specifications of DS1972-F3+

• Rohs Information: IButton RoHS Compliance Plan
• Memory Size: 128B
• Memory Type: EEPROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1024-Bit EEPROM iButton
ABSOLUTE MAXIMUM RATINGS
IO Voltage Range to GND .......................................-0.5V to +6V
IO Sink Current ...................................................................20mA
Operating Temperature Range ...........................-40°C to +85°C
ELECTRICAL CHARACTERISTICS
(T
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.
2
IO PIN: GENERAL DATA
1-Wire Pullup Voltage
1-Wire Pullup Resistance
Input Capacitance
Input Load Current
High-to-Low Switching Threshold
Input Low Voltage
Low-to-High Switching Threshold
Switching Hysteresis
Output Low Voltage
Recovery Time
(Notes 2, 12)
Rising-Edge Hold-Off Time
(Notes 5, 13)
Time Slot Duration
(Notes 2, 14)
IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE
Reset Low Time (Note 2)
Presence-Detect High Time
Presence-Detect Low Time
Presence-Detect Sample Time
(Notes 2, 15)
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
_______________________________________________________________________________________
PARAMETER
SYMBOL
R
t
V
t
t
t
t
t
t
V
V
SLOT
RSTL
C
V
V
REC
REH
MSP
V
PDH
PDL
PUP
PUP
I
HY
TH
OL
TL
IO
L
IL
(Note 2)
(Notes 2, 3)
(Notes 4, 5)
IO pin at V
(Notes 5, 6, 7)
(Notes 2, 8)
(Notes 5, 6, 9)
(Notes 5, 6, 10)
At 4mA (Note 11)
Standard speed, R
Overdrive speed, R
Overdrive speed, directly prior to reset
pulse; R
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
PUP
PUP
= 2.2k
CONDITIONS
PUP
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-55°C to +125°C
PUP
= 2.2k
= 2.2k
0.05
0.21
MIN
480
2.8
0.3
0.5
1.0
0.5
65
48
15
60
60
5
2
5
8
2
8
6
Not applicable (0)
TYP
V
V
MAX
1000
5.25
1.70
PUP
PUP
640
240
2.2
6.7
1.8
0.5
1.0
0.4
5.0
80
60
24
75
10
6
-
-
UNITS
k
pF
μA
μs
μs
μs
μs
μs
μs
μs
V
V
V
V
V
V