DS1123LE-200 Maxim Integrated Products, DS1123LE-200 Datasheet - Page 7

• Manufacturer Part Number: DS1123LE-200
• Description: Delay Lines / Timing Elements 3.3V, 8-Bit, Program mable Timing Element
• Manufacturer: Maxim Integrated Products

Specifications of DS1123LE-200

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note 10:
Note 11:
Note 12:
Note 13:
Note 14:
Note 15:
Note 16:
AC ELECTRICAL CHARACTERISTICS (DS1123L-200)
(V
Reference Delay
Delay Step Size
Step-Zero Delay with Respect
to IN
Step-Zero Delay with Respect
to REF
Maximum Delay with Respect
to IN
Delay with Respect to REF
Delay with Respect to REF
Tolerance
Voltage Delay Variation
Temperature Delay Variation
Integral Nonlinearity (Deviation
from Straight Line)
OUT Delta Delay
IN High to PWM High
Minimum PWM Output Pulse
Width
Minimum Input Pulse Width
Minimum Input Period
Input Rise and Fall Times
CC
= +3.0V to 3.6V, T
PARAMETER
See the Integral Nonlinearity section and Figure 9.
Change in delay value when the inverted output is selected instead of the normal, noninverting output.
In PWM mode, the delay between the rising edge of the input and the rising edge of the output.
The minimum value for which the monostable-vibrator pulse width should be programmed. Narrower pulse widths can be
programmed, but output levels may be impaired and ultimately no output pulse is produced.
This is the minimum allowable interval between transitions on the input to assure accurate device operation. This parame-
ter may be violated, but timing accuracy may be impaired and ultimately very narrow pulse widths result in no output from
the device.
This parameter applies to normal delay mode only. When a 50% duty cycle input clock is used this defines the highest
usable clock frequency. When asymmetrical clock inputs are used, the maximum usable clock frequency must be
reduced to conform to the minimum input pulse-width requirement. In PWM mode, the minimum input period is equal to
the step-zero delay and the programmed delay (t
Faster rise and fall times give the greatest accuracy in measured delay. Slow edges (outside the specification maximum)
can result in erratic operations.
3.3V, 8-Bit, Programmable Timing Element
A
= 0°C to +70°C.)
SYMBOL
t
Δt
t
t
t
D0REF
t
t
t
t
t
DMAX
Δt
t
PWM0
DREF
Δt
DREF
t
DREF
DREF
STEP
PWM
INV0
t
REF
t
t
DREF
t
r
D0
err
WI
DV
, t
DT
_____________________________________________________________________
f
(Notes 3, 4)
T
(Notes 4, 5)
(Notes 6, 7)
(Notes 4, 8)
Position FF (Notes 7, 9)
V
(Notes 7, 9)
(Notes 7, 9)
V
(Note 10)
(Note 11)
(Notes 4, 12)
(Note 13)
(Note 14)
(Note 15)
(Note 16)
A
CC
CC
= +25°C
= 3.3V, T
= 3.3V
DO
A
+ t
CONDITIONS
= +25°C
D
).
-0.75
MIN
-2.5
-0.5
-2.5
1.0
40
80
-5
0
5
0
TYP
16.5
16.5
-1.5
527
510
18
2
0
1
+0.75
MAX
+0.5
+2.5
3.0
2.5
+5
22
22
22
0
1
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
%
%
%
7