Absolute maximum ratings, Dc electrical characteristics (v, Capacitance (t – Rainbow Electronics DS1985 User Manual
Page 24: 25 ° c), Ac electrical characteristics (v
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DS1985
24 of 25
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
∗
This is a stress rating only and functional operation of the device at these or any other conditions
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.
DC ELECTRICAL CHARACTERISTICS (V
PUP
=2.8V to 6.0V; -40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1
V
IH
2.2
V
1,6
Logic 0
V
IL
-0.3
+0.8
V
1,10
Output Logic Low @ 4 mA
V
OL
0.4
V
1
Output Logic High
V
OH
V
PUP
6.0
V
1,2
Input Load Current
I
L
5
µ
A
3
Operating Charge
Q
OP
30
nC
7,8
Programming Voltage @ 10 mA
V
PP
11.5
12.0
V
CAPACITANCE
(t
A
= 25
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Data (1-Wire)
C
IN/OUT
800
pF
9
AC ELECTRICAL CHARACTERISTICS (V
PUP
=2.8V to 6.0V; -40
°
C to +85
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
t
SLOT
60
120
µ
s
Write-1 Low Time
t
LOW1
1
15
µ
s
Write-0 Low Time
t
LOW0
60
120
µ
s
Read Data Valid
t
RDV
exactly 15
µ
s
Release Time
t
RELEASE
0
15
45
µ
s
Read Data Setup
t
SU
1
µ
s
5
Recovery Time
t
REC
1
µ
s
Reset Time High
t
RSTH
480
µ
s
4
Reset Time Low
t
RSTL
480
µ
s
Presence Detect High
t
PDHIGH
15
60
µ
s
Presence Detect Low
t
PDLOW
60
240
µ
s
Delay to Program
t
DP
5
µ
s
Delay to Verify
t
DV
5
µ
s
Program Pulse Width
t
PP
480
µ
s
Program Voltage Rise Time
t
RP
0.5
5.0
µ
s
Program Voltage Fall Time
t
FP
0.5
5.0
µ
s