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DS1100L
3-Volt 5-Tap Economy Timing Element (Delay Line)
GENERAL DESCRIPTION The DS1100L is a 3.3V version of the DS1100. It
is characterized for operation over the range 3.0V
to 3.6V. The DS1100L series delay lines have
five equally spaced taps providing delays from
4ns to 500ns. These devices are offered in
surface-mount packages to save PCB area. Low
cost and superior reliability over hybrid
technology is achieved by the combination of a
100% silicon delay line and industry-standard
µMAX® and SO packaging. The DS1100L 5-tap
silicon delay line reproduces the input-logic state
at the output after a fixed delay as specified by
the extension of the part number after the dash.
The DS1100L is designed to reproduce both
leading and trailing edges with equal precision.
Each tap is capable of driving up to 10 74LS
loads.
Maxim Integrated can customize standard
products to meet special needs.
FEATURES All-Silicon Timing Circuit Five Taps Equally Spaced Delays are Stable and Precise Both Leading- and Trailing-Edge Accuracy 3.3V Version of the DS1100 Low-Power CMOS TTL-/CMOS-Compatible Vapor-Phase and IR Solderable Custom Delays Available Fast-Turn Prototypes Delays Specified Over Both Commercial and
Industrial Temperature Ranges
PIN ASSIGNMENT VCC
TAP 1
TAP 3
TAP 5
TAP 2
TAP 4
GND
DS1100L
DS1100LZ SO (150mils)
DS1100LU µMAX
PIN DESCRIPTION TAP 1 to TAP 5 - TAP Output Number
VCC - +3.3V
GND - Ground
IN - Input
DS1100L
3.3V 5-Tap Economy Timing Element (Delay Line) 19-5736; Rev 7/15
µMAX is a registered trademark of Maxim Integrated Products, Inc.
DS1100L
ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground ........................................... -0.5V to +6.0V
Short-Circuit Output Current ............................................................................ 50mA for 1s
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.9mW/°C above +70°C) ................................................................ 470.6mW
µMAX (derate 4.5mW/°C above +70°C .............................................................. 362mW
Operating Temperature Range .................................................................... -40°C to +85°C
Storage Temperature Range ...................................................................... -55°C to +125°C
Lead Temperature (soldering, 10s)........................................................................... +300°C
Soldering Temperature (reflow)
Lead(Pb)-free ........................................................................................................ +260°C
Containing lead(Pb) ............................................................................................... +240°C
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 device reliability.
DC ELECTRICAL CHARACTERISTICS (VCC = 3.0V to 3.6V; TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES Supply Voltage VCC 3.0 3.3 3.6 V 5
High-Level
Input Voltage VIH 2.0 VCC +
0.3 V 5
Low-Level
Input Voltage VIL -0.3 0.8 V 5
Input-Leakage
Current II 0.0V ≤ VI ≤ VCC -1.0 +1.0 μA
Active Current ICC VCC = Max; Freq. = 1MHz 10 mA 6, 8
High-Level
Output Current IOH VCC = Min. VOH = 2.3 -1 mA
Low-Level
Output Current IOL VCC = Min. VOL = 0.5 8 mA
AC ELECTRICAL CHARACTERISTICS (VCC = 3.0V to 3.6V; TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES Input
Pulse Width tWI
20% of
Tap 5
tPLH ns 9
Input-to-Tap
Delay Tolerance
(Delays ≤ 40ns)
tPLH,
tPHL
+25°C 3.3V -2 Table 1 +2 ns 1, 3, 4,
7, 10
0°C to +70°C -3 Table 1 +3 ns 1, 2, 3,
4, 7, 10
-40°C to +85°C -4 Table 1 +4 ns 1, 2, 3,
4, 7, 10
Input-to-Tap
Delay Tolerance
(Delays > 40ns)
tPLH,
tPHL
+25°C 3.3V -5 Table 1 +5 % 1, 3, 4,
7, 10
0°C to +70°C -8 Table 1 +8 % 1, 2, 3,
4, 7, 10
-40°C to +85°C -13 Table 1 +13 % 1, 2, 3,
4, 7, 10
Output Rise or Fall
Time tOF, tOR 2.0 2.5 ns
Power-Up Time tPU 200 μs
Input Period Period 2(tWI) ns 9
DS1100L
CAPACITANCE (TA = +25°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES Input Capacitance CIN 5 10 pF
NOTES: 1) Initial tolerances are ± with respect to the nominal value at +25°C and VCC = 3.3V for both leading and
trailing edge.
2) Temperature and voltage tolerance is with respect to the nominal delay value over the stated temperature
range, and a supply-voltage range of 3.0V to 3.6V.
3) All tap delays tend to vary unidirectionally with temperature or voltage changes. For example, if TAP 1
slows down, all other taps also slow down; TAP 3 can never be faster than TAP 2.
4) Intermediate delay values are available on a custom basis. For further information, contact the factory at
[email protected].
5) All voltages are referenced to ground.
6) Measured with outputs open.
7) See Test Conditions section at the end of this data sheet.
8) Frequencies higher than 1MHz result in higher ICC values.
9) At or near maximum frequency the delay accuracy can vary and will be application sensitive (i.e.,
decoupling, layout).
10) The “-75” version is specified and tested with an additional 2ns of tolerance on the specified minimum
input-to-tap delay tolerance parameters for TAP 1 to TAP 3. Delay values for TAP 4 to TAP 5 meet data
sheet specifications.
Figure 1. LOGIC DIAGRAM
Figure 2. TIMING DIAGRAM: SILICON DELAY LINE DS1100L
TERMINOLOGY
Period: The time elapsed between the leading edge of the first pulse and the leading edge of the
following pulse.
tWI (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.
tRISE (Input Rise Time): The elapsed time between the 20% and the 80% point on the leading edge of the input pulse.
tFALL (Input Fall Time): The elapsed time between the 80% and the 20% point on the trailing edge of the input pulse.
tPLH (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 any tap output pulse.
tPHL (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 any tap output pulse.
TEST SETUP DESCRIPTION Figure 3 illustrates the hardware configuration used for measuring the timing parameters on the
DS1100L. The input waveform is produced by a precision pulse generator under software control. Time
delays are measured by a time interval counter (20ps resolution) connected between the input and each
tap. Each tap is selected and connected to the counter by a VHF switch control unit. All measurements
are fully automated, with each instrument controlled by a central computer over an IEEE 488 bus.
TEST CONDITIONS INPUT: Ambient Temperature: 25°C ±3°C
Supply Voltage (VCC): 3.3V ±0.1V
Input Pulse: High = 3.0V ±0.1V Low = 0.0V ±0.1V
Source Impedance: 50Ω max
Rise and Fall Time: 3.0ns max (measured between 10% and 90%)
Pulse Width: 500ns (1μs for -500 version)
Period: 1μs (2μs for -500 version)
OUTPUT: Each output is loaded with the equivalent of one 74F04 input gate. Delay is measured at the 1.5V level on
the rising and falling edge.
Note: Above conditions are for test only and do not restrict the operation of the device under other
data sheet conditions. DS1100L
Figure 3. TEST CIRCUIT
Table 1. DS1100L PART NUMBER DELAY
PART
DS1100L-xxx
NOMINAL DELAYS (ns)
TAP 1 TAP 2 TAP 3 TAP 4 TAP 5 -20 4 8 12 16 20
-25 5 10 15 20 25
-30 6 12 18 24 30
-35 7 14 21 28 35
-40 8 16 24 32 40
-45 9 18 27 36 45
-50 10 20 30 40 50
-60 12 24 36 48 60
-75 15 30 45 60 75
-100 20 40 60 80 100
-125 25 50 75 100 125
-150 30 60 90 120 150
-175 35 70 105 140 175
-200 40 80 120 160 200
-250 50 100 150 200 250
-300 60 120 180 240 300
DS1100L
ORDERING INFORMATION
PART TEMP RANGE PIN-PACKAGE DS1100LZ-xxx -40°C to +85°C 8 SO
DS1100LZ-xxx/T&R -40°C to +85°C 8 SO
DS1100LZ-xxx+ -40°C to +85°C 8 SO
DS1100LZ-xxx+T -40°C to +85°C 8 SO
DS1100LU-xxx -40°C to +85°C 8 µMAX
DS1100LU-xxx/T&R -40°C to +85°C 8 µMAX
DS1100LU-xxx+ -40°C to +85°C 8 µMAX
DS1100LU-xxx+T -40°C to +85°C 8 µMAX
xxx Denotes total time delay (ns) (see Table 1).
+Denotes a lead(Pb)-free/RoHS-compliant package.
T&R and T = Tape and reel.
PACKAGE INFORMATION For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix
character, but the drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO. 8 SO (150 mils) S8+4
21-0041 90-0096 8 µMAX U8+1
21-0036 90-0092
