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DS1020S-25+

P1-P3P4-P6P7-P9
DS1020
7 of 9
(cont’d)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Parallel Input Change
to Delay Invalid
t
PDX
0ns
Enable to Delay Valid t
EDV
50 µs
Enable to Delay Invalid t
EDX
0ns
V
CC
Valid to Device
Functional
t
PU
100 ms
Input Pulse Width t
WI
100% of Output
Delay
ns
Input to Output Delay t
PLH
, t
PHL
Table 2 ns 2
Input Period Period 2 (t
WI
)ns
CAPACITANCE (T
A
= 25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
10 pF
TIMING DIAGRAM: SILICON DELAY LINE Figure 5
DS1020
8 of 9
TERMINOLOGY
Period: The time elapsed between the leading edge of the first pulse and the leading edge of the
following pulse.
t
WI
(Pulse Width): The elapsed time on the pulse between the 1.5V point on the leading edge and the
1.5V point on the trailing edge, or the 1.5V point on the trailing edge and the 1.5V point on the leading
edge.
t
RISE
(Input Rise Time): The elapsed time between the 20% and the 80% point on the leading edge of the
input pulse.
t
FALL
(Input Fall Time): The elapsed time between the 80% and the 20% point on the trailing edge of the
input pulse.
t
PLH
(Time Delay, Rising): The elapsed time between the 1.5V point on the leading edge of the input
pulse and the 1.5V point on the leading edge of the output pulse.
t
PHL
(Time Delay, Falling): The elapsed time between the 1.5V point on the trailing edge of the input
pulse and the 1.5V point on the trailing edge of the output pulse.
TIMING DIAGRAM: NON-LATCHED PARALLEL MODE (S = 1, E = 1) Figure 6
TIMING DIAGRAM: LATCHED PARALLEL MODE (S=1) Figure 7
DS1020
9 of 9
TIMING DIAGRAM: SERIAL MODE (S = 0) Figure 8
NOTES:
1. All voltages are referenced to ground.
2. @V
CC
= 5V and 25°C. Delay accurate on both rising and falling edges within tolerances given in
Table 1.
3. Measured with output open.
4. The “Q” output will only source 4 mA. This pin is only intended to drive other DS1020s.
P1-P3P4-P6P7-P9

DS1020S-25+

Mfr. #:
Buy DS1020S-25+
Manufacturer:
Maxim Integrated
Description:
Delay Lines / Timing Elements Programmable 8-Bit .25ns Delay Line
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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