DS1921H-F5# Maxim Integrated Products, DS1921H-F5# Datasheet - Page 40

• Manufacturer Part Number: DS1921H-F5#
• Description: IBUTTON THERMOCHRON F5
• Manufacturer: Maxim Integrated Products
• Series: iButton®r

Specifications of DS1921H-F5#

• Rohs Information: IButton RoHS Compliance Plan
• Memory Size: 512B
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PHYSICAL SPECIFICATION
Size
Weight
ABSOLUTE MAXIMUM RATINGS*
* This is a stress rating only and functional operation of the device at these or any other conditions
** Storage or operation above 50°C significantly reduces battery life.
ELECTRICAL CHARACTERISTICS
IO Voltage to GND
IO Sink Current
Temperature Range DS1921H, DS1921Z
Storage Temperature Range
IO pin general data
1-Wire Pull-Up
Resistance
Input Capacitance
Input Load Current
High-to-Low
Switching Threshold
Input Low Voltage
Low-to-High
Switching Threshold
Output low voltage at
4mA
Recovery Time
Timeslot Duration
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.
PARAMETER
SYMBOL
t
R
V
V
V
t
C
V
SLOT
REC
I
PUP
TH
OL
TL
IO
L
IL
IO pin at V
V
V
Standard Speed,
R
Overdrive Speed,
R
Overdrive Speed,
directly prior to reset
pulse; R
Standard Speed
Overdrive Speed
PUP
PUP
PUP
PUP
CONDITIONS
= 2.2kΩ
= 2.2kΩ
> 4.5V
> 4.5V
PUP
PUP
= 2.2kΩ
40 of 45
(V
See mechanical drawing
3.3g
-0.5V, +6V
20mA
-40°C to +85°C**
-40°C to +50°C**
PUP
= 2.8V to 5.25V, T
MIN
1.14
0.71
1.00
0.66
65
5
2
5
8
TYP
100
MAX UNITS NOTES
2.70
2.70
0.30
2.70
2.70
800
2.2
0.4
10
A
= -40°C to +85°C)
kΩ
µA
pF
µs
µs
V
V
V
V
DS1921H/Z
5, 6, 7,
5, 6, 9,
1, 5, 8
3, 16
5, 10
1, 16
1, 15
1, 2
16
16
4