SMD99F-5060 반도체 회로 부품 판매점
5-TAP/ TTL-INTERFACED FIXED DELAY LINE
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5-TAP, TTL-INTERFACED
FIXED DELAY LINE
(SERIES SMD99F)
SMD99F
data
delay
3
®
devices, inc.
FEATURES
• Five equally spaced outputs
• Designed for surface mounting
• Low profile (0.175 maximum height)
• Input & outputs fully TTL interfaced & buffered
• 10 T2L fan-out capability
PACKAGES
IN 1
T2 4
T4 6
GND 7
14 VDD
12 T1
10 T3
8 T5
Commercial
SMD99F-xx
IN
N/C
N/C
T2
N/C
T4
GND
1
2
3
4
5
6
7
14 VCC
13 N/C
12 T1
11 N/C
10 T3
9 N/C
8 T5
Military
SMD99F-xxMC2
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
The SMD99F-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 determined by the device dash number (See Table). For dash
numbers less than 5025, the total delay of the line is measured from T1 to
T5. The nominal tap-to-tap delay increment is given by one-fourth of the
IN
T1-T5
VCC
GND
Signal Input
Tap Outputs
+5 Volts
Ground
total delay, and the inherent delay from IN to T1 is nominally 3.5ns. For dash numbers greater than or
equal to 5025, the total delay of the line is measured from IN to T5. The nominal tap-to-tap delay
increment is given by one-fifth of this number.
SERIES SPECIFICATIONS
• Minimum input pulse width: 40% of total delay
• Output rise time: 2ns typical
• Supply voltage: 5VDC ± 5%
• Supply current: ICCL = 32ma typical
ICCH = 7ma typical
• Operating temperature: 0° to 70° C
• Temp. coefficient of total delay: 100 PPM/°C
3.5ns
25%
25%
25%
25%
VCC IN
T1 T2 T3 T4 T5 GND
Functional diagram for dash numbers < 5025
20%
20%
20%
20%
20%
VCC IN T1 T2 T3 T4 T5 GND
Functional diagram for dash numbers >= 5025
©1997 Data Delay Devices
DASH NUMBER SPECIFICATIONS
Part
Number
SMD99F-5004
SMD99F-5006
SMD99F-5008
SMD99F-5010
SMD99F-5012
SMD99F-5016
SMD99F-5020
SMD99F-5025
SMD99F-5030
SMD99F-5035
SMD99F-5040
SMD99F-5045
SMD99F-5050
SMD99F-5060
SMD99F-5075
SMD99F-5100
SMD99F-5125
SMD99F-5150
SMD99F-5175
SMD99F-5200
SMD99F-5250
Total
Delay (ns)
4 ± 1.0 *
6 ± 1.0 *
8 ± 2.0 *
10 ± 2.0 *
12 ± 2.0 *
16 ± 2.0 *
20 ± 3.0 *
25 ± 3.0
30 ± 3.0
35 ± 3.0
40 ± 3.0
45 ± 3.0
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
Delay Per
Tap (ns)
1.0 ± 0.5
1.5 ± 0.5
2.0 ± 1.0
2.5 ± 1.0
3.0 ± 1.0
4.0 ± 1.5
5.0 ± 2.0
5.0 ± 2.0
6.0 ± 2.0
7.0 ± 2.0
8.0 ± 2.0
9.0 ± 3.0
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
* Total delay is referenced to first tap output
Input to first tap = 3.5ns ± 1ns
NOTE: Any dash number between 5004 and 5250
not shown is also available.
Doc #97017
1/30/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
SMD99F
APPLICATION NOTES
HIGH FREQUENCY RESPONSE
The SMD99F tolerances are guaranteed for input
pulse widths and periods greater than those
specified in the test conditions. Although the
device will function properly for pulse widths as
small as 40% of the total delay and periods as
small as 80% of the total delay (for a symmetric
input), the delays may deviate from their values
at low frequency. However, for a given input
condition, the deviation will be repeatable from
pulse to pulse. Contact technical support at Data
Delay Devices if your application requires device
testing at a specific input condition.
POWER SUPPLY BYPASSING
The SMD99F relies on a stable power supply to
produce repeatable delays within the stated
tolerances. A 0.1uf capacitor from VCC to GND,
located as close as possible to the VCC pin, is
recommended. A wide VCC trace and a clean
ground plane should be used.
DEVICE SPECIFICATIONS
TABLE 1: ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL MIN
MAX UNITS NOTES
DC Supply Voltage
VCC
-0.3 7.0
V
Input Pin Voltage
VIN -0.3 VDD+0.3 V
Storage Temperature
TSTRG
-55
150
C
Lead Temperature
TLEAD
300 C 10 sec
TABLE 2: DC ELECTRICAL CHARACTERISTICS
(0C to 70C, 4.75V to 5.25V)
PARAMETER
SYMBOL
High Level Output Voltage
VOH
Low Level Output Voltage
VOL
High Level Output Current
Low Level Output Current
High Level Input Voltage
Low Level Input Voltage
Input Clamp Voltage
Input Current at Maximum
Input Voltage
High Level Input Current
Low Level Input Current
Short-circuit Output Current
Output High Fan-out
Output Low Fan-out
IOH
IOL
VIH
VIL
VIK
IIHH
IIH
IIL
IOS
MIN
2.5
2.0
-60
TYP
3.4
0.35
MAX
0.5
-1.0
20.0
0.8
-1.2
0.1
20
-0.6
-150
25
12.5
UNITS
V
V
mA
mA
V
V
V
mA
NOTES
VCC = MIN, IOH = MAX
VIH = MIN, VIL = MAX
VCC = MIN, IOL = MAX
VIH = MIN, VIL = MAX
VCC = MIN, II = IIK
VCC = MAX, VI = 7.0V
µA
mA
mA
Unit
Load
VCC = MAX, VI = 2.7V
VCC = MAX, VI = 0.5V
VCC = MAX
Doc #97017
DATA DELAY DEVICES, INC.
1/30/97
Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
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