Capacitance (t, 25°c), Resistances (-40°c to +85°c) – Rainbow Electronics DS2404 User Manual
Page 27: 5v+ 10%), 8 to 5.5v)
DS2404
27 of 29
CAPACITANCE
(t
A
= 25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
C
IN
10
pF
Output Capacitance
C
OUT
15
pF
I/O (1-Wire)
I
IN/OUT
100
800
pF
8
RESISTANCES
(-40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
RST
Resistance to Ground
Z
RST
65
k
W
DQ Resistance to Ground
Z
DQ
65
k
W
CLK Resistance to Ground
Z
CLK
65
k
W
AC ELECTRICAL CHARACTERISTICS:
3-WIRE PORT
(-40°C to +85°C; V
CC
= 5V+ 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Data to CLK Setup
t
DC
35
ns
2
CLK to Data Hold
t
CDH
40
ns
2
CLK to Data Delay
t
CDD
100
ns
2,3,4
CLK Low Time
t
CL
250
ns
2
CLK High Time
t
CH
250
ns
2
CLK Frequency
t
CLK
DC
2.0
MHz
2
CLK Rise and Fall
t
R
,t
F
500
ns
2
RST
to CLK Setup
t
CC
1
ms
2
CLK to
RST
Hold
t
CCH
40
ns
2
RST
Inactive Time
t
CWH
250
ns
2
CLK or
RST
to DQ High Z
t
CDZ
50
ns
2
AC ELECTRICAL CHARACTERISTICS:
1-WIRE PORT
(-40°C to +85°C; V
CC
=2.8 to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
t
SLOT
60
120
ms
Write 1 Low Time
t
LOW1
1
15
ms
23
Write 0 Low Time
t
LOW0
60
120
ms
Read Low Time
t
LOWR
1
15
ms
23
Read Data Valid
t
RDV
15
ms
22
Release Time
t
RELEASE
0
15
45
ms
Read Data Setup
t
SU
1
ms
15
Recovery Time
t
REC
1
ms
Interrupt
t
INT
960
4800
ms
Reset Time High
t
RSTH
480
ms
14
Reset Time Low
t
RSTL
480
960
ms
20
Presence Detect High
t
PDH
15
60
ms
Presence Detect Low
t
PDL
60
240
ms