Rainbow Electronics DS1124 User Manual
General description, Applications, Features

General Description
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.
Applications
LCD Televisions
Telecommunications
Digital Test Equipment
Digital Video Projection
Signal Generators and Analyzers
Features
♦ 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
DS1124
5.0V 8-Bit Programmable
Timing Element
Rev 0; 7/07
+
Denotes a lead-free package.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
DS1124U-25+
-40°C to +85°C 10 μSOP
DS1124U-25+T -40°C to +85°C 10 μSOP (Tape-and-Reel)
1
2
3
4
5
10
9
8
7
6
V
CC
V
CC
D
CLK
GND
Q
E
IN
µSOP
TOP VIEW
OUT
GND
+
DS1124
Pin Configuration
GND
OUT
V
CC
E
V
CC
IN
Q
CLK
D
MICROPROCESSOR
SYSTEM CLOCK
OPTIONAL
VARIABLE DELAY
DS1124
Typical Operating Circuit
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Maxim Integrated Products
1
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.