defining a degree of excellence

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

Specifications subject to change without notice.

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

Cat 39-R0

19

TRIPLE LINE LEADING EDGE CONTROL

PRECISE DELAY MODULES

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:

24mm Wide x 12mm Pitch, 750 pieces per 13" reel

Electrical Characteristics

Drive Capabilities

Nh Logic 1 Fanout

-

10 TTL Loads Max.

Nl

Logic 0 Fanout

-

10 TTL Loads Max.

3.2 Volts

3.0 ns (10%-90%)

1.2 x Total Delay

4 x Pulse Width

80 ma Typical

5.0 Volts

Max.

5.25

0.8

-1

20

0.5

-1.2

20

-0.6

-150

70

90

50

Units

V

V

V

ma

ma

V

V

V

ua

ma

ma

ma

ma

C

%

%

Min.

4.75

2.0

2.7

-60

100

Input to Output + 1 ns or 5% , Unless otherwise specified

Delays measured @ 1.5 V levels on Leading Edge only

with 15pf loads on Outputs

Rise and Fall Times measured from 0.75 V to 2.4 V levels

Tolerances

Part Numbers

T ime in Minutes

for 90 Seconds Max

Infra Red

0

8

6

4

2

SMD

Thru-Hole

Recommended Temperature Profile

Notes

Other Delays and Tolerances Available

Consult Sales

Vcc

Vih

Vil

Ioh

Iol

Voh

Vol

Vik

Iih

Iil

Ios

Icch

Iccl

Ta

PW

d

Tc

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

Temp. Coeff. of Total Delay (TD)

S493-0005-A3

S493-0007-A3

S493-0010-A3

S493-0012-A3

S493-0015-A3

S493-0017-A3

S493-0020-A3

S493-0025-A3

S493-0030-A3

S493-0035-A3

S493-0040-A3

S493-0045-A3

S493-0050-A3

A493-0005-A3

A493-0007-A3

A493-0010-A3

A493-0012-A3

A493-0015-A3

A493-0017-A3

A493-0020-A3

A493-0025-A3

A493-0030-A3

A493-0035-A3

A493-0040-A3

A493-0045-A3

A493-0050-A3

5 ns

7 ns

10 ns

12 ns

15 ns

17 ns

20 ns

25 ns

30 ns

35 ns

40 ns

45 ns

50 ns

Time

Delay

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

Tolerance

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.0 ns

+ 1.1 ns

+ 1.2 ns

+ 1.4 ns

+ 1.5 ns

*

.285 Max

(P/N)

.10 Typ

In 1

.030

.015

.004

.012

.008

.285 Max

.10 Typ

.018

.22 Max

.350

(P/N)

.375

.300

.50 Max

Vcc 8

Gnd 4

.300

.50 Max

.325

.015 Min

.045

.018

.23 Max

.012

.008

.12 Min

Coplanarity + .002

7

2

6

3

5

.20 Max

Ein

Trin

PW

PP

Iccl

Vcc

Pulse Voltage

Rise Time

Pulse Width

Pulse Period

Supply Current

Supply Voltage

Rise

Time