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DS1135L
3V 3-in-1 High-Speed
Silicon Delay Line
www.maxim-ic.com
FEATURES
§
§
§
§
§
§
§
§
§
§
All-silicon timing circuit
Three independent buffered delays
Stable and precise over temperature and
voltage
Leading and trailing edge precision preserves
the input symmetry
Standard 8-pin SO
(150mil), and 8-Pin µSOP (118mil)
Vapor phase and IR reflow solderable
Available in Tape and Reel
Delays specified over both commercial and
industrial temperature ranges
3V operation
Recommended replacement for DS1033
PIN ASSIGNMENT
IN1
IN2
IN3
GND
1
2
3
4
8
7
6
5
V
CC
OUT1
OUT2
OUT3
DS1135LZ 8-Pin SO (150mil)
DS1135LU 8-Pin µSOP (118mil)
See Mech. Drawings Section
PIN DESCRIPTION
IN1-IN3
OUT1-OUT3
V
CC
GND
- Input Signals
- Output Signals
- +3V Supply
- Ground
DESCRIPTION
The DS1135L series is a low-power, 3V high-speed version of the popular DS1013, DS1033, DS1035
series.
The DS1135L series of delay lines have three independent logic buffered delays in a single package. The
device is Dallas Semiconductor’s fastest 3-in-1 delay line. It is available in a standard 8-pin 118mil
µSOP
and 150mil 8-pin Mini-SO.
The device features precise leading and trailing edge accuracy. It has the inherent reliability of an all-
silicon delay line solution.
Standard delay values are indicated in Table 1. Customers may contact Dallas Semiconductor at (972)
371-4348 for further information on custom delay values.
1 of 6
011402
DS1135-L
LOGIC DIAGRAM
Figure 1
IN
TIME DELAY
OUT
ONE OF THREE
PART NUMBER DELAY TABLE (t
PLH
, t
PHL
)
Table 1
DELAY PER
OUTPUT
(ns)
10/10/10
12/12/12
15/15/15
20/20/20
25/25/25
30/30/30
INITIAL
TOLERANCE
(Note 1)
±1.0ns
±1.0ns
±1.0ns
±1.0ns
±1.5ns
±1.5ns
TOLERANCE OVER
TEMP AND VOLTAGE
(Note 2)
0°C to +70°C
-40°C to +85°C
±2.0ns
±3.0ns
±2.0ns
±3.0ns
±2.5ns
±4.0ns
±2.5ns
±4.0ns
±3.0ns
±5.0ns
±3.0ns
±5.0ns
PART NUMBER
DS1135LX-10
DS1135LX-12
DS1135LX-15
DS1135LX-20
DS1135LX-25
DS1135LX-30
NOTES:
1. Nominal conditions are +25°C and V
CC
= +3.3V.
2. Voltage range of 2.7V to 3.6V.
3. Delay accuracies is for both leading and trailing edges.
4. X in Part number denotes package: U indicates
µSOP,
Z indicates SO.
TEST SETUP DESCRIPTION
Figure 2 illustrates the hardware configuration used for measuring the timing parameters of the DS1135L.
The input waveform is produced by a precision pulse generator under software control. Time delays are
measured by a time interval counter (20 ps resolution) connected to the output. The DS1135L output taps
are selected and connected to the interval counter by a VHF switch control unit. All measurements are
fully automated with each instrument controlled by the computer over an IEEE 488 bus.
2 of 6
DS1135-L
DS1135L TEST CIRCUIT
Figure 2
PULSE
GENERATOR
START
3
TIME INTERVAL
COUNTER
50W
IN
STOP
UNIT UNDER
TEST
VHF
SWITCH
CONTROL
UNIT
TAPS 1-3
OUT
50W
3 of 6
DS1135-L
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
Short Circuit Output Current
-1.0V to +6.0 V
-40°C to +85°C
-55°C to +125°C
See J-STD-020A specification
50mA for 1 second
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply Voltage
Active Current
High Level Input Voltage
Low Level Input Voltage
Input Leakage
High Level Output
Current
Low Level Output
Current
SYMBOL
V
CC
I
CC
V
IH
V
IL
I
L
I
CC
I
CC
V
CC
=3.6V
Period=1ms
TEST
CONDITION
(-40°C to +85°C;V
CC
=2.7-3.6V)
MIN
2.7
TYP
3.3
MAX
3.6
10
2.0
-0.5
-1.0
V
CC
+0.5
0.8
+1.0
-1.0
8
UNITS
V
mA
V
V
mA
mA
mA
0V≤V
I
≤V
CC
V
CC
=2.7V
V
OH
=2V
V
CC
=2.7V
V
OL
=0.4V
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Period
Input Pulse Width
Input-to-Output Delay
Output Rise or Fall Time
Power-up Time
SYMBOL
t
PERIOD
t
WI
t
PLH
,
t
PHL
t
OF
, t
OR
t
PU
(-40°C to +85°C;V
CC
=2.7-3.6V)
MAX
UNITS
ns
ns
2.5
1
ns
ns
ms
NOTES
MIN
TYP
2 (t
WI
)
100% of
Delay Value
See Table 1
2.0
2
CAPACITANCE
PARAMETER
Input Capacitance
SYMBOL
C
IN
MIN
TYP
MAX
10
UNITS
pF
(T
A
=25°C)
NOTES
4 of 6
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