defining a degree of excellence
Cat 26-R3
.60 + .01
10 TAP LEADING EDGE CONTROL
PRECISE DELAY MODULES
13
12
3
Vcc 14
In 1
Gnd 7
11 10 9
4
5
6
8
.60 + .01
.325
.375
.350
bel
(DC)
(P/N)
.285 Max
bel
*
(DC)
(P/N)
.285 Max
.10 Typ
.80 Max
.22 Max
.018
Coplanarity + .002
.10 Typ
.80 Max
.015
.004
4
o
.012
.008
.012
.008
.23 Max
100
o
90
o
.20 Max
.015 Min
.045
.030
.12 Min
.018
Part Numbers
SMD
S497-0025-10
S497-0030-10
S497-0040-10
S497-0050-10
S497-0060-10
S497-0070-10
S497-0080-10
S497-0090-10
S497-0100-10
S497-0125-10
S497-0150-10
S497-0200-10
S497-0250-10
Thru-Hole
A497-0025-10
A497-0030-10
A497-0040-10
A497-0050-10
A497-0060-10
A497-0070-10
A497-0080-10
A497-0090-10
A497-0100-10
A497-0125-10
A497-0150-10
A497-0200-10
A497-0250-10
Total
Delay
* 22.5 ns
* 27 ns
* 36 ns
50 ns
60 ns
70 ns
80 ns
90 ns
100 ns
150 ns
200 ns
250 ns
Delay Rise
per Tap Time
2.5 ns
3 ns
4 ns
5 ns
6 ns
7 ns
8 ns
9 ns
10 ns
15 ns
20 ns
25 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
3 ns
Vcc
Vih
Vil
Ioh
Iol
Voh
Vol
Vik
Iih
Iil
Ios
Icch
Iccl
Ta
PW
d
Tc
Ein
Trin
PW
PP
Iccl
Vcc
Test Conditions @ 25
o
C
Pulse Voltage
Rise Time
Pulse Width
Pulse Period
Supply Current
Supply Voltage
3.2 Volts
3.0 ns (10%-90%)
1.2 x Total Delay
4 x Pulse Width
80 ma Typical
5.0 Volts
Electrical Characteristics
Supply Voltage
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic 1 Output Current
Logic 0 Output Current
Logic 1 Output Voltage
Logic 0 Output voltage
Input Clamp Voltage
Logic 1 Input Current
Logic 0 Input Current
Short Circuit Output Current
Logic 1 Supply Current
Logic 0 Supply Current
Operating Free Air Temperature
Min. Input Pulse Width of Total Delay
Maximum Duty Cycle
Min.
4.75
2.0
Max.
5.25
0.8
-1
20
2.7
0.5
-1.2
40
-1.2
-150
50
90
70
o
50
Units
V
V
V
ma
ma
V
V
V
ua
ma
ma
ma
ma
C
%
%
125 ns 12.5 ns
Tolerances
Input to Taps + 1 ns or 3 % , Whichever is Greater
Delays measured @ 1.5 V levels on Leading Edge only
with no loads on Taps
Rise and Fall Times measured from 0.75 V to 2.4 V levels
* Ref. Delay from P13, Delay P1-P13 = 4.5 ns typical
-60
0
o
40
Drive Capabilities
Nh Logic 1 Fanout
Nl Logic 0 Fanout
-
-
20 TTL Loads Max.
10 TTL Loads Max.
Temp. Coeff. of Total Delay (TD) 100 + (25000/TD ) PPM/
O
C
Notes
Transfer molded for better reliability
Compatible with TTL & DTL circuits
Terminals: Electro-Tin plate phosphor bronze
Performance warranty is limited to specified parameters listed
SMD - Tape & Reel available:
32mm Wide x 16mm Pitch, 500 pieces per 13" reel
Recommended Temperature Profile
300
o
C
200
o
C
100
o
C
Temp.
Infra Red
225
o
C Max Temp.
> 185
o
C
for 90 Seconds Max
0
2
4
6
Ti m e i n M i n u t e s
8
Other Delays and Tolerances Available
Consult Sales
Specifications subject to change without notice.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
14
BEL
1
