DS1124U-25+T Maxim Integrated Products, DS1124U-25+T Datasheet

IC TIMING ELEMENT PROG 10-USOP

DS1124U-25+T

Manufacturer Part Number
DS1124U-25+T
Description
IC TIMING ELEMENT PROG 10-USOP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS1124U-25+T

Number Of Taps/steps
256
Function
Programmable
Delay To 1st Tap
20nS
Tap Increment
0.25nS
Available Total Delays
83.75ns
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Independent Delays
-
The DS1124 is an 8-bit programmable timing element
similar in function to the DS1021-25. The 256-delay
intervals are programmed by using a 3-wire serial inter-
face. With a 0.25ns step size, the DS1124 can provide
a delay time from 20ns up to 84ns with an integral non-
linearity of ±3ns.
Rev 1; 4/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
LCD Televisions
Telecommunications
Digital Test Equipment
Digital Video Projection
Signal Generators and Analyzers
TOP VIEW
GND
GND
IN
Q
E
________________________________________________________________ Maxim Integrated Products
1
2
3
4
5
+
General Description
DS1124
µSOP
Pin Configuration
MICROPROCESSOR
SYSTEM CLOCK
10
9
8
7
6
Applications
V
V
D
CLK
OUT
CC
CC
OPTIONAL
5.0V 8-Bit Programmable
IN
E
Q
CLK
D
♦ 0.25ns Step Size
♦ Leading- and Trailing-Edge Accuracy
♦ CMOS/TTL Compatible
♦ Can Delay Signals by a Full Period or More
♦ 3-Wire Serial Programming Interface
♦ Single 5.0V Power Supply
♦ 10-pin µSOP Package
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
DS1124U-25+
DS1124U-25+T
DS1124
PART
GND
OUT
V
CC
Typical Operating Circuit
V
VARIABLE DELAY
CC
Timing Element
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
PIN-PACKAGE
10 μSOP
10 μSOP
Features
1

Related parts for DS1124U-25+T

DS1124U-25+T Summary of contents

Page 1

... Leading- and Trailing-Edge Accuracy ♦ CMOS/TTL Compatible ♦ Can Delay Signals by a Full Period or More ♦ 3-Wire Serial Programming Interface Applications ♦ Single 5.0V Power Supply ♦ 10-pin µSOP Package PART DS1124U-25+ DS1124U-25 Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. 8 ...

Page 2

Programmable Timing Element ABSOLUTE MAXIMUM RATINGS Voltage Range on V Pin Relative to Ground .....-0.5V to +6.0V CC Voltage Range on IN and CLK Relative to Ground* ................................-0. Operating Temperature Range ...........................-40°C to +85°C ...

Page 3

AC ELECTRICAL CHARACTERISTICS (continued +4.75V to +5.25V -40°C to +85°C, unless otherwise noted PARAMETER E to Delay Valid E to Delay Invalid Power-Up Time Delay Step Size Step 0 Delay Step 0 Delay Initial ...

Page 4

Programmable Timing Element (V = +5.0V +25°C, unless otherwise noted TYPICAL DELAY vs. PROGRAMMED STEP 100 125 150 175 200 ...

Page 5

T = +25°C, unless otherwise noted OUTPUT VOLTAGE HIGH vs. OUTPUT CURRENT 4.80 4.75 4.70 4.65 4.60 4.55 4.50 - OUTPUT CURRENT (mA) PIN NAME 1 IN Delay Input Signal 2 ...

Page 6

Programmable Timing Element Block Diagram PROGRAMMABLE IN DELAY 8 8-BIT LATCH E 8 8-BIT SHIFT REGISTER Q CLK DS1124 D Detailed Description The DS1124 is an 8-bit programmable delay line that can be adjusted between 256 different delay ...

Page 7

ENABLE ( CLOCK (CLK) t DSC SERIAL NEW BIT 7 INPUT (D) t EQV SERIAL OUTPUT OLD BIT 7 (Q) DELAY TIME Figure 3. Serial Interface Timing Diagram Figure 4C shows how to cascade multiple DS1124s onto the ...

Page 8

Programmable Timing Element MICROPROCESSOR OUTPUT OUTPUT I/O PIN A) USING A FEEDBACK RESISTOR WITH AN I/O PIN FOR READING THE DS1124. MICROPROCESSOR OUTPUT OUTPUT I/O PIN C) CASCADING MULTIPLE DS1124s ON A 3-WIRE BUS. Figure 4. Examples Using ...

Page 9

MEASURED t D255 MEASURED Figure 5. Integral Nonlinearity For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 10 µSOP _______________________________________________________________________________________ 5.0V 8-Bit Programmable MEASURED DELAY FOR ALL STEPS LINE FIT BETWEEN MEASURED ...

Page 10

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products 5 ...

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