DDU66C
Ò
5-TAP, HCMOS-INTERFACED
FIXED DELAY LINE
(SERIES DDU66C)
data
delay
devices,
3
inc.
FEATURES
PACKAGES
IN
VDD
1
4
14
12
10
·
·
·
·
·
Five equally spaced outputs
Fits standard 14-pin DIP socket
Low profile
Auto-insertable
Input & outputs fully CMOS interfaced & buffered
1
2
3
4
5
6
7
14
13
12
11
10
9
VDD
N/C
T1
N/C
T3
N/C
T5
IN
N/C
N/C
T2
N/C
T4
T1
T2
T3
T4
6
7
8
GND
GND
T5
8
·
10 T2L fan-out capability
DDU66C-xx
DDU66C-xxA2 Gull-Wing
DDU66C-xxB2 J-Lead
DIP
DDU66C-xxD1
DDU66C-xxD4
DDU66C-xxMD1 Mil. SMD
DDU66C-xxMD4 Mil. SMD
Com. SMD
Com. SMD
DDU66C-xxME7Military DIP
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
The DDU66C-series device is a 5-tap digitally buffered delay line. The
signal input (IN) is reproduced at the outputs (T1-T5), shifted in time by an
amount given by the device dash number. For dash numbers less than 40,
the total delay of the line is measured from T1 to T5, with the nominal value
given by the dash number. The nominal tap-to-tap delay increment is
IN
T1-T5 Tap Outputs
VDD +5 Volts
GND Ground
Signal Input
given by 1/4 of this number. The inherent delay from IN to T1 is nominally 8.0ns. For dash numbers
greater than or equal to 40, the total delay of the line is measured from IN to T5, with the nominal value
given by the dash number. The nominal tap-to-tap delay increment is given by 1/5 of this number.
SERIES SPECIFICATIONS
DASH NUMBER SPECIFICATIONS
·
·
·
·
Minimum input pulse width: 40% of total delay
Output rise time: 8ns typical
Supply voltage: 5VDC ± 5%
Supply current: ICCL = 40ma typical
ICCH = 10ma typical
Operating temperature: 0° to 70° C
Temp. coefficient of total delay: 300 PPM/°C
Part
Number
Total
Delay Per
Tap (ns)
2.5 ± 1.0
Delay (ns)
10 ± 2.0 *
20 ± 2.0 *
50 ± 3.0
60 ± 3.0
75 ± 4.0
100 ± 5.0
125 ± 6.5
150 ± 7.5
175 ± 8.0
200 ± 10.0
250 ± 12.5
DDU222C-10
DDU222C-20
DDU222C-50
DDU222C-60
DDU222C-75
DDU222C-100
DDU222C-125
DDU222C-150
DDU222C-175
DDU222C-200
DDU222C-250
5.0 ± 2.0
10.0 ± 3.0
12.0 ± 3.0
15.0 ± 3.0
20.0 ± 3.0
25.0 ± 3.0
30.0 ± 3.0
35.0 ± 4.0
40.0 ± 4.0
50.0 ± 5.0
·
·
8.0ns
25%
25%
25%
25%
* Total delay is referenced to first tap output
VCC IN
T1
T2
T3
T4
T5 GND
Input to first tap = 8.0ns ± 2ns
Functional diagram for dash numbers < 40
NOTE: Any dash number between 10 and 250 not
shown is also available.
20%
20%
20%
20%
20%
VCC IN
T1
T2
T3
T4
T5 GND
Functional diagram for dash numbers >= 40
Ó1997 Data Delay Devices
Doc #97021
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
2/5/97
Powered by ICminer.com Electronic-Library Service CopyRight 2003