PPG323F

Doc #14016

DATA DELAY DEVICES, INC.

1

6/9/2014

3 Mt. Prospect Ave. Clifton, NJ 07013

23-BIT CRYSTAL-STABILIZED

PULSE GENERATOR

(SERIES PPG323F)

FEATURES

PINOUT



Digitally programmable in 8,388,608 steps



Monotonic pulse-width-vs-address variation



Rising edge triggered



Precise and stable pulse width



Low jitter over entire programmable range



Input & outputs fully TTL interfaced & buffered



10 T

FUNCTIONAL DESCRIPTION

The PPG323F-series device is a 23-bit digitally programmable pulse

according to the following formula:

width is specified by the dash number of the device and can range from 20ns through 5us, inclusively. RES

is held LOW during normal operation. When it is brought HIGH, OUT is forced into a LOW state, and the

unit is ready for the next trigger input. The address is not latched and must remain asserted while the output

pulse is active. The PPG323F is crystal-stabilized, providing low jitter (350ps RMS) over the entire address

range.

SERIES SPECIFICATIONS



Pulse width tolerance: 0.05% or 100ps,

whichever is greater







Operating temperature: -40

 to 85 C





Supply current:

2014 Data Delay Devices

PIN DESCRIPTIONS

TRIG

Trigger Input

OUT

Pulse Output

A0-A22

Address Bits

VCC

+5 Volts

GND

Ground

DASH NUMBER SPECIFICATIONS

Part

Number

Incremental

Width

Per Step (ns)

Total Width

Change (sec)

PPG323F-20

20

0.16777

PPG323F-50

50

0.41943

PPG323F-100

100

0.83886

PPG323F-200

200

1.6777

PPG323F-500

500

4.1943

PPG323F-1000

1000

8.3886

PPG323F-2000

2000

16.777

PPG323F-5000

5000

41.943

NOTE: Any dash number between 20 and 5000

not shown is also available.

A11

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A0

OUT

IN

GND

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

RES

VCC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15