PDU17F Data Delay Devices, Inc., PDU17F Datasheet

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PDU17F

Manufacturer Part Number
PDU17F
Description
7-bit Programmable Delay Line
Manufacturer
Data Delay Devices, Inc.
Datasheet
1.PDU17F.pdf (5 pages)
7-BIT PROGRAMMABLE
DELAY LINE
(SERIES PDU17F)
FEATURES
FUNCTIONAL DESCRIPTION
The PDU17F-series device is a 7-bit digitally programmable delay line.
The delay, TD
depends on the address code (A6-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 10ns, 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 #97005
1/14/97
Digitally programmable in 128 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 40-pin DIP socket
Auto-insertable
Programmed delay tolerance: 5% or 2ns,
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: 8% 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
): 13ns typical (OUT)
12ns typical (OUT/)
= 86ma
* A
= 68ma
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)
10ns
OUT/
GND
GND
GND
GND
OUT
0
N/C
EN/
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
EN/
N/C
N/C
)
IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PDU17F-.5
PDU17F-1
PDU17F-2
PDU17F-3
PDU17F-4
PDU17F-5
PDU17F-6
PDU17F-8
PDU17F-10
NOTE: Any dash number between .5 and 10 not
DASH NUMBER SPECIFICATIONS
Number
Part
shown is also available.
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
PACKAGES
VCC
N/C
A0
A1
A2
VCC
N/C
A3
A4
A5
VCC
N/C
N/C
N/C
N/C
VCC
N/C
A6
N/C
N/C
Incremental Delay
data
delay
devices,
Per Step (ns)
PIN DESCRIPTIONS
IN
OUT Non-inverted Output
OUT/ Inverted Output
A0-A6 Address Bits
EN/
VCC +5 Volts
GND Ground
10
3
4
5
6
8
.5
1
2
1.0
1.0
1.5
1.5
2.0
PDU17F-xx
PDU17F-xxC5
PDU17F-xxM
PDU17F-xxMC5
.5
.5
2.0
.3
1997 Data Delay Devices
Delay Line Input
Output Enable
DIP
Gull-Wing
Military DIP
Military Gull-Wing
Change (ns)
1,016
1,270
Total Delay
254
381
508
635
762
63.5
127
3
PDU17F
inc.
12.7
19.1
25.4
31.8
38.1
6.4
3.2
50.8
63.5
1

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PDU17F Summary of contents

Page 1

... T L fan-out capability Fits standard 40-pin DIP socket Auto-insertable FUNCTIONAL DESCRIPTION The PDU17F-series device is a 7-bit digitally programmable delay line. The delay from the input pin (IN) to the output pins (OUT, OUT/) A depends on the address code (A6-A0) according to the following formula: TD ...

Page 2

... PDU17F ADDRESS UPDATE The PDU17F 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. PDU17F TYP UNITS 127 T INC 13.0 ns 1 UNITS NOTES sec UNITS NOTES V V ...

Page 4

... DIP (PDU17F-xx, PDU17F-xxM) .020 TYP .090 Gull-Wing (PDU17F-xxC5, PDU17F-xxMC5) Doc #97005 1/14/97 Tel: 973-773-2299 PACKAGE DIMENSIONS .100 TYP. ...

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. PDU17F 1 FAST-TTL Gate 5pf 10% 1.5V (Rising & Falling) TIME INTERVAL COUNTER ...

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