PDU15F Data Delay Devices, Inc., PDU15F Datasheet

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PDU15F

Manufacturer Part Number
PDU15F
Description
5-bit Programmable Delay Line
Manufacturer
Data Delay Devices, Inc.
Datasheet
1.PDU15F.pdf (5 pages)
5-BIT PROGRAMMABLE
DELAY LINE
(SERIES PDU15F)
FEATURES
FUNCTIONAL DESCRIPTION
The PDU15F-series device is a 5-bit digitally programmable delay line.
The delay, TD
depends on the address code (A4-A0) according to the following formula:
where A is the address code, T
and TD
specified by the dash number of the device and can range from 0.5ns through 20ns, inclusively. The
enable pins (EN/) are held LOW during normal operation. These pins must always be in the same state
and may be tied together externally. When these signals are brought HIGH, OUT and OUT/ are forced
into LOW and HIGH states, respectively. The address is not latched and must remain asserted during
normal operation.
SERIES SPECIFICATIONS
Doc #97003
1/13/97
1997 Data Delay Devices
Digitally programmable in 32 delay steps
Monotonic delay-versus-address variation
Two separate outputs: inverting & non-inverting
Precise and stable delays
Input & outputs fully TTL interfaced & buffered
10 T
Fits standard 24-pin DIP socket
Auto-insertable
Total programmed delay tolerance: 5% or 1ns,
Inherent delay (TD
Setup time and propagation delay:
Operating temperature: 0 to 70 C
Temperature coefficient: 100PPM/ C (excludes TD
Supply voltage V
Supply current:
Minimum pulse width: 10% of total delay
0
TD
Address to input setup (T
Disable to output delay (T
2
is the inherent delay of the device. The incremental delay is
L fan-out capability
A
= TD
A
, from the input pin (IN) to the output pins (OUT, OUT/)
0
+ T
CC
I
I
0
CCH
CCL
INC
: 5VDC
): 9ns typical (OUT)
8ns typical (OUT/)
= 30ma
* A
= 74ma
INC
3 Mt. Prospect Ave. Clifton, NJ 07013
whichever is greater
is the incremental delay of the device,
5%
AIS
DISO
DATA DELAY DEVICES, INC.
):
): 6ns typ. (OUT)
5ns
OUT/
GND
GND
GND
0
OUT
)
EN/
N/C
N/C
N/C
N/C
EN/
IN
PDU15F-.5
PDU15F-1
PDU15F-2
PDU15F-3
PDU15F-4
PDU15F-5
PDU15F-6
PDU15F-8
PDU15F-10
PDU15F-12
PDU15F-15
PDU15F-20
NOTE: Any dash number between .5 and 20 not
DASH NUMBER SPECIFICATIONS
Number
1
2
3
4
5
6
7
8
9
10
11
12
Part
shown is also available.
24
23
22
21
20
19
18
17
16
15
14
13
PACKAGES
VCC
A0
A1
A2
VCC
N/C
N/C
N/C
VCC
A3
A4
N/C
Incremental Delay
data
delay
devices,
Per Step (ns)
PIN DESCRIPTIONS
IN
OUT Non-inverted Output
OUT/ Inverted Output
A0-A4 Address Bits
EN/
VCC +5 Volts
GND Ground
10
12
15
20
3
4
5
6
8
.5
1
2
1.0
1.0
1.0
1.0
1.0
PDU15F-xx
PDU15F-xxA4
PDU15F-xxB4
PDU15F-xxM
PDU15F-xxMC4
.5
.5
1.5
1.5
1.5
2.0
.3
Delay Line Input
Output Enable
DIP
Gull-Wing
J-Lead
Military DIP
Military Gull-Wing
Change (ns)
Total Delay
248
310
372
465
620
15.5
124
155
186
3
31
62
93
PDU15F
inc.
1.6
3.1
4.7
12.4
15.5
18.6
23.3
31.0
6.2
7.8
9.3
1.0
1

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PDU15F Summary of contents

Page 1

... T L fan-out capability Fits standard 24-pin DIP socket Auto-insertable FUNCTIONAL DESCRIPTION The PDU15F-series device is a 5-bit digitally programmable delay line. The delay from the input pin (IN) to the output pins (OUT, OUT/) A depends on the address code (A4-A0) according to the following formula: TD ...

Page 2

... PDU15F ADDRESS UPDATE The PDU15F is a memory device. As such, special precautions must be taken when changing the delay address in order to prevent spurious output signals. The timing restrictions are shown in Figure 1. After the last signal edge to be delayed has appeared on the OUT pin, a minimum time, ...

Page 3

... MAX 2.5 3.4 OH 0. 0.1 IHH -0 -60 -150 OS 25 12.5 DATA DELAY DEVICES, INC. PDU15F TYP UNITS 31 T INC 9.0 ns 1 UNITS NOTES sec UNITS NOTES V V ...

Page 4

... MAX. Commercial Gull-Wing (PDU15F-xxA4) .280 MAX. .020 TYP .010 .002 .110 .350 1.100 MAX. 1.290 MAX. Commercial J-Lead (PDU15F-xxB4) .020 TYP .012 TYP. .090 .300 1.100 TYP. 1.280 .020 Military Gull-Wing (PDU15F-xxMC4) DATA DELAY DEVICES, INC ...

Page 5

... Mt. Prospect Ave. Clifton, NJ 07013 TEST CONDITIONS OUTPUT Load load 0.1V Threshold: 0.1V PRINTER COMPUTER SYSTEM REF OUT IN TEST (DUT) TRIG Test Setup PER IN T FALL 2.4V 1. 1.5V 1.5V DATA DELAY DEVICES, INC. PDU15F 1 FAST-TTL Gate 5pf 10% 1.5V (Rising & Falling) TIME INTERVAL COUNTER ...

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