DS1982 Maxim, DS1982 Datasheet - Page 22

• Manufacturer Part Number: DS1982
• Description: The DS1982 1Kb Add-Only iButton is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground
Operating Temperature
Storage Temperature
 This is a stress rating only and functional operation of the device at these or any other conditions
DC ELECTRICAL CHARACTERISTICS
CAPACITANCE
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Logic 1
Logic 0
Output Logic Low @ 4 mA
Output Logic High
Input Load Current
Operating Charge
Programming Voltage @ 10 mA
PARAMETER
Data (1-Wire)
PARAMETER
Time Slot
Write 1 Low Time
Write 0 Low Time
Read Data Valid
Release Time
Read Data Setup
Recovery Time
Reset Time High
Reset Time Low
Presence Detect High
Presence Detect Low
Delay to Program
Delay to Verify
Program Pulse Width
Program Voltage Rise Time
Program Voltage Fall Time
outside 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.
SYMBOL
SYMBOL
SYMBOL
t
C
t
RELEASE
t
PDHIGH
t
t
PDLOW
t
t
t
V
t
V
Q
IN/OUT
LOW1
LOW0
t
V
V
RSTH
V
SLOT
RSTL
t
RDV
t
t
t
REC
t
t
I
DV
SU
DP
PP
RP
FP
OL
OH
L
OP
IH
PP
IL
Page 22 of 24
MIN
MIN
MIN
11.5
-0.3
480
480
480
2.2
0.5
0.5
60
60
15
60
1
0
1
5
5
(V
(V
–40°C to +85°C
–0.5V to +12.0V
–55°C to +125°C
exactly 15
TYP
V
TYP
TYP
PUP
PUP
15
PUP
5
=2.8V to 6.0V; -40C to +85C)
=2.8V to 6.0V; -40C to +85C)
MAX
MAX
MAX
5000
+0.8
12.0
800
120
120
240
0.4
6.0
5.0
5.0
30
15
45
60
1
UNITS
UNITS
UNITS
A
nC
pF
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
V
V
V
V
V
(T
A
= 25C)
NOTES
NOTES
NOTES
10,12
1, 11
1, 6
1, 2
7, 8
10
10
10
10
1
3
9
5
4
DS1982