DS1050
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SCL Clock
Frequency
Bus Free Time
Between STOP and
START Condition
Hold Time
(Repeated) START
Condition
Low Period of SCL
Clock
High Period of SCL
Clock
Data Hold Time
Data Set-Up Time
Rise Time of Both
SDA and SCL
Signals
Fall Time of Both
SDA and SCL
Signals
Set-Up Time for
STOP Condition
Capacitive Load for
Each Bus Line
PWM Output
Change
SYMBOL
f
SCL
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
CB
t
PWMo
CONDITION
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
(-40°C to +85°C; V
CC
= 2.7V to 5.5V)
MIN
0
0
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0
0
100
250
20+0.1C
B
20+0.1C
B
0.6
4.0
400
2
TYP
MAX
400
100
UNITS NOTES
kHz
6
ms
ms
ms
ms
0.9
ms
ns
300
1000
300
300
ns
ns
ms
pF
periods
10
11
6
7, 6
6
6
6, 8, 9
6
10
10
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Output Frequency
Tolerance
Output Impedance
Absolute Linearity
Relative Linearity
Resolution
Frequency
Temperature
Coefficient
Frequency Voltage
Coefficient
SYMBOL
CONDITION
(-40°C to +85°C; V
CC
= 2.7V to 5.5V)
MIN
-20
TYP
MAX
+20
200
+0.5
+0.25
5
±200
1.5
UNITS NOTES
%
12
W
LSB
LSB
Bits
ppm/ºC
% per
V
-0.5
-0.25
14
15
13
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DALLAS [ DALLAS SEMICONDUCTOR ]
