14 Pin DIP 5 Tap Fast-TTL Logic Compatible

Active Delay Lines

TAP DELAYS

TOTAL DELAYS

PART

±5% or ±2 nS†

±5% or ±2 nS†

NUMBER

*3±1, 1±.5, 2±.5, 3±.5

4

EPA1145-4

*3±1, 1.5±.5, 3±.5, 4.5±.5

6

EPA1145-6

*3±1, 2±.5, 4±.5,6±.5

8

EPA1145-8

*3±1, 6±1.5, 9, 12

15

EPA1145-15

4, 8, 12, 16

20

EPA1145-20

5, 10, 15, 20

25

EPA1145-25

6, 12, 18, 24

30

EPA1145-30

8, 16, 24, 32

40

EPA1145-40

10, 20, 30, 40

50

EPA1145-50

12, 24, 36, 48

60

EPA1145-60

15, 30, 45, 60

75

EPA1145-75

20, 40, 60, 80

100

EPA1145-100

25, 50, 75, 100

125

EPA1145-125

30, 60, 90, 120

150

EPA1145-150

TAP DELAYS

TOTAL DELAYS

PART

±5% or ±2 nS†

±5% or ±2 nS†

NUMBER

35, 70, 105, 140

175

EPA1145-175

40, 80, 120, 160

200

EPA1145-200

45, 90, 135, 180

225

EPA1145-225

50, 100, 150, 200

250

EPA1145-250

60, 120, 180, 240

300

EPA1145-300

70, 140, 210, 280

350

EPA1145-350

80, 160, 240, 320

400

EPA1145-400

90, 180, 270, 360

450

EPA1145-450

100, 200, 300, 400

500

EPA1145-500

120, 240, 360, 480

600

EPA1145-600

140, 280, 420, 560

700

EPA1145-700

160, 320, 480, 640

800

EPA1145-800

180, 360, 540, 720

900

EPA1145-900

200, 400, 600, 800

1000

EPA1145-1000

†Whichever is greater.

Delay times referenced from input to leading edges at 25°C, 5.0V, with no load.

* First tap is inherent delay (3 ± 1 nS), all other taps are measured referenced from first tap.

Package Dimensions

EIN

Pulse Input Voltage

3.2

Volts

PW

Pulse Width % of Total Delay

110

%

TRI

Pulse Rise Time (0.75 - 2.4 Volts)

2.0

nS

PRR

Pulse Repetition Rate @ Td

≤ 200 nS

1.0

MHz

Pulse Repetition Rate @ Td > 200 nS

100

KHz

VCC

Supply Voltage

5.0

Volts

Input Pulse Test Conditions @ 25° C

Unit

VOH High-Level Output Voltage

VCC= min. V IL= max. I OH = max 2.7

V

VOL

Low-Level Output Voltage

VCC= min. V IH = min. I OL = max

0.5

V

VIK

Input Clamp Voltage

VCC= min. II = II K

-1.2

V

IIH

High-Level Input Current

VCC= max. V IN = 2.7V

50

µA

VCC= max. V IN = 5.25V

1.0

mA

IIL

Low-Level Input Current

VCC= max. V IN = 0.5V

-0.6

mA

IOS

Short Circuit Output Current VCC= max. V OUT = 0.

-40

-150

mA

(One output at a time)

ICCH High-Level Supply Current

VCC= max. V IN = OPEN

15

mA

ICCL Low-Level Supply Current

VCC= max. V IN = 0

50

mA

TRO

Output Rise Time

Td

≤ 500 nS (0.75 to 2.4 Volts)

3

nS

Td > 500 nS

3

nS

NH

Fanout High-Level Output

VCC= max. V OH = 2.7V

20 TTL LOAD

NL

Fanout Low-Level Output

VCC= max. V OL = 0.5V

10 TTL LOAD

DC Electrical Characteristics

Parameter

Test Conditions

Min

Max Unit

VCC

Supply Voltage

4.75

5.25

V

VIH

High-Level Input Voltage

2.0

V

VIL

Low-Level Input Voltage

0.8

V

IIK

Input Clamp Current

-18

mA

IOH

High-Level Output Current

-1.0

mA

IOL

Low-Level Output Current

20

mA

PW*

Pulse Width of Total Delay

40

%

d*

Duty Cycle

40

%

TA

Operating Free-Air Temperature

-55

+125

°C

Recommended

Operating Conditions

Min

Max

Unit

*These two values are inter-dependent.

Schematic

DSA1145 Rev. A 2/5/96

QAF-CSO1 Rev. B 8/25/94

Unless Otherwise Noted Dimensions in Inches

Tolerances:

Fractional = ± 1/32

.XX = ± .030

.XXX = ± .010

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

TEL: (818) 892-0761

FAX: (818) 894-5791

E L E C T R O N I C S

I N C .

12

4

10

6

8

1

7

OUTPUT

GROUND

INPUT

14

VCC

.365

Max.

.780 Max.

.280

Max.

PCA

EPA1145-4

Date Code

.010

Typ.

.150 Typ.

.020

Min.

.250

Max.

.020

Typ.

White Dot

Pin#1

.100

.300

.200