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DS1123LE-200 Datasheet(PDF) 1 Page - Dallas Semiconductor

Part # DS1123LE-200
Description  3.3V, 8-Bit, Programmable Timing Element
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1123LE-200 Datasheet(HTML) 1 Page - Dallas Semiconductor

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General Description
The DS1123L is an 8-bit programmable timing element
similar in function to the DS1023, but operating at 3.3V.
Like the DS1023, the DS1123L can delay signals up to
a full period or more when used as a delay line, and an
on-chip reference delay can be used to offset the inher-
ent “step-zero” delay. This allows the DS1123L to shift a
clock signal over the full 0 to 360° phase range. In
addition to functioning as a delay line, it can be config-
ured as a free-running oscillator or an externally trig-
gered monostable vibrator.
Applications
Telecommunications
Digital Test Equipment
Digital Video Projection
Signal Generators and Analyzers
Features
♦ Step Sizes of 0.25ns, 0.5ns, 1ns, 2ns
♦ On-Chip Reference Delay
♦ Configurable as a Delay Line, Monostable
Vibrator, or Free-Running Oscillator
♦ Can Delay Signals by a Full Period or More
♦ Guaranteed Monotonicity
♦ Parallel and 3-Wire Serial Programming Interface
♦ Single 3.3V Power Supply
♦ 16-pin TSSOP
3.3V, 8-Bit, Programmable Timing Element
_____________________________________________
Maxim Integrated Products
1
15
14
13
12
11
10
9
2
16
1
3
4
5
6
7
8
OUT/OUT
P/S
P7
P6
P2/D
P1/CLK
P0/Q
LE
VCC
IN
TOP VIEW
MS
P5
REF/PWM
GND
P4
P3
DS1123L
Pin Configuration
DS1123L
SYSTEM
CLOCK
MICRO-
PROCESSOR
4
3-WIRE
INTERFACE
IN
Q/P0
CLK/P1
D/P2
P3
P4
LE
P5
MS
P6
P7
P/S
OUT/OUT
VCC
GND
REF/PWM
3.3V
VARIABLE
DELAY/PHASE
OUTPUT
REFERENCE
OUTPUT
(OPTIONAL)
Typical Operating Circuit
Ordering Information
Rev 2; 8/07
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.
PART
TEMP
RANGE
PIN-
PACKAGE
(150-mil)
STEP SIZE/
NO. OF STEPS
DS1123LE-25
0°C to +70°C
16 TSSOP
0.25/256
DS1123LE-50
0°C to +70°C
16 TSSOP
0.5/256
DS1123LE-100
0°C to +70°C
16 TSSOP
1/256
DS1123LE-200
0°C to +70°C
16 TSSOP
2/256


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