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 28-R2

Other Delays and Tolerances Available

Consult Sales

8

5 TAP 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

-

20 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

35 ma Typical

5.0 Volts

Max.

5.25

0.8

-1

20

0.5

-1.2

20

-0.6

-150

25

40

50

Units

V

V

V

ma

ma

V

V

V

ua

ma

ma

ma

ma

C

%

%

Min.

4.75

2.0

2.7

-60

40

T ime in Minutes

for 90 Seconds Max

Infra Red

0

8

6

4

2

Recommended Temperature Profile

Notes

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)

Ein

Trin

PW

PP

Iccl

Vcc

Pulse Voltage

Rise Time

Pulse Width

Pulse Period

Supply Current

Supply Voltage

Part Numbers

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

Tolerances

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

SMD

Thru-Hole

Total

Delay

Delay

per Tap

25 ns

30 ns

35 ns

40 ns

45 ns

50 ns

60 ns

70 ns

80 ns

90 ns

100 ns

125 ns

150 ns

5 ns

6 ns

7 ns

8 ns

9 ns

10 ns

12 ns

14 ns

16 ns

18 ns

20 ns

25 ns

30 ns

S493-0025-02

S493-0030-02

S493-0035-02

S493-0040-02

S493-0045-02

S493-0050-02

S493-0060-02

S493-0070-02

S493-0080-02

S493-0090-02

S493-0100-02

S493-0125-02

S493-0150-02

A493-0025-02

A493-0030-02

A493-0035-02

A493-0040-02

A493-0045-02

A493-0050-02

A493-0060-02

A493-0070-02

A493-0080-02

A493-0090-02

A493-0100-02

A493-0125-02

A493-0150-02

*

.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

7 2 6

3

5

.300

.50 Max

.325

.20 Max

.015 Min

.045

.018

.23 Max

.012

.008

.12 Min

Coplanarity + .002

Rise

Time