Datasheet
DS2502
ABSOLUTE MAXIMUM RATINGS
Voltage on any Pin Relative to Ground -0.5V to +12.0V
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
Lead Temperature (TO-92, TSOC, SOT23-3, SOIC only, soldering 10s) +300°C
Soldering Temperature (reflow)
TO-92 +250°C
TSOC, SOT-23, SOIC, WLP +260°C
SFN Refer to Application Note 4132: Attachment
methods for the electro-mechanical SFN package.
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 (T
A
= -40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Pullup Voltage
V
PUP
2.8
6
V
1, 2
Logic 1
V
IH
2.2
V
1, 6
Logic 0
V
IL
-0.3
+0.8
V
1, 11
Output Logic Low @ 4 mA
V
OL
0.4
V
1
Input Load Current
I
L
5
µA
3
Operating Charge
Q
OP
30
nC
7, 8
Programming Voltage @ 10 mA
V
PP
11.5
12.0
V
Valid EPROM Read Voltage
V
EPR
2.8
6.0
V
13
CAPACITANCE (T
A
=25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Data (1-Wire)
C
IN/OUT
800
pF
9
AC ELECTRICAL CHARACTERISTICS (T
A
= -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 Data Valid
t
RDV
exactly 15
µs
Release Time
t
RELEASE
0
15
45
µs
Read Data Setup
t
SU
1
µs
5
Recovery Time
t
REC
1
µs
Reset Time High
t
RSTH
480
µs
4
Reset Time Low
t
RSTL
480
960
µs
14
Presence Detect High
t
PDH
15
60
µs
Presence Detect Low
t
PDL
60
240
µs
Delay to Program
t
DP
5
µs
10
Delay to Verify
t
DV
5
µs
10
Program Pulse Width
t
PP
480
5000
µs
10, 12
Program Voltage Rise Time
t
RP
0.5
5.0
µs
10
Program Voltage Fall Time
t
FP
0.5
5.0
µs
10
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