DS1124
5.0V 8-Bit Programmable
Timing Element
Typical Operating Characteristics
(VCC = +5.0V, TA = +25°C, unless otherwise noted.)
4
_______________________________________________________________________________________
TYPICAL DELAY
vs. PROGRAMMED STEP
DS1124
toc01
PROGRAMMED STEP (dec)
TYPICAL
DELAY
(ns)
225
200
150 175
50 75 100 125
25
10
20
30
40
50
60
70
80
90
0
250
CHANGE FROM NOMINAL DELAY
vs. SUPPLY VOLTAGE
DS1124
toc02
SUPPLY VOLTAGE (V)
PROGRAMMED
DELAY
(ns)
5.15
5.05
4.95
4.85
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
4.75
5.25
STEP 255
STEP 0
CHANGE FROM NOMINAL DELAY
vs. TEMPERATURE
DS1124
toc03
TEMPERATURE (
°C)
PROGRAMMED
DELAY
(ns)
80
60
-20
0
20
40
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
-40
STEP 255
STEP 0
ACTIVE SUPPLY CURRENT
vs. INPUT FREQUENCY
DS1124
toc04
INPUT (IN) FREQUENCY (kHz)
ACTIVE
SUPPLY
CURRENT
(mA)
10000
1000
100
10
17.0
17.5
18.0
18.5
19.0
19.5
20.0
16.5
1
100000
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
DS1124
toc05
TEMPERATURE (
°C)
STANDBY
SUPPLY
CURRENT
(mA)
80
60
20
40
0
-20
16
17
18
19
20
21
22
23
24
25
15
-40
VCC = 5.25V
OUTPUT VOLTAGE LOW
vs. OUTPUT CURRENT
DS1124
toc06
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
8
6
4
2
0.05
0.10
0.15
0.20
0.25
0.30
0
010
VCC = 4.75V