Datasheet > PPG312F-20M

PPG312F-20M

更新时间： 2024-11-08 23:29:03

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
5页	70K
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Peripheral IC

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PPG312F-20M 数据手册

PPG312F

12-BIT PROGRAMMABLE

PULSE GENERATOR

(SERIES PPG312F)

data

delay

devices, inc.

FEATURES

PACKAGES

TRIG

N/C

GND

N/C

GND

VCC

N/C

OUT

OUT/

N/C

RES

N/C

VCC

Digitally programmable in 4096 steps

Monotonic pulse-width-vs-address variation

Rising edge triggered

Two separate outputs: inverting & non-inverting

Precise and stable pulse width

Input & outputs fully TTL interfaced & buffered

10 T²L fan-out capability

PPG312F-xx

DIP

PPG312F-xxC5

Gull-Wing

PPG312F-xxM

Military DIP

PPG312F-xxMC5

Fits standard 40-pin DIP socket

Auto-insertable

N/C

Military Gull-Wing

GND

A10

A11

N/C

VCC

PIN DESCRIPTIONS

FUNCTIONAL DESCRIPTION

TRIG Trigger Input

The PPG312F-series device is a 12-bit digitally programmable pulse

generator. The width, PW_A, depends on the address code (A11-A0)

according to the following formula:

OUT Non-inverted Output

OUT/ Inverted Output

A0-A11 Address Bits

RES

VCC +5 Volts

GND Ground

Reset

PW_A= PW₀+ T_INC* A

where A is the address code, T_INCis the incremental pulse width of the

device, and PW₀is the inherent pulse width of the device. The

incremental width is specified by the dash number of the device and can range from 0.5ns through 400ns,

inclusively. RESET is held LOW during normal operation. When it is brought HIGH, OUT and OUT/ are

forced into LOW and HIGH states, respectively, 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.

DASH NUMBER SPECIFICATIONS

SERIES SPECIFICATIONS

Part

Number

Incremental Width

Per Step (ns)

.5 ± .3

Total Width

Change (us)

2.048 ± 0.10

4.096 ± 0.20

8.192 ± 0.41

20.48 ± 1.02

40.96 ± 2.05

81.92 ± 4.10

204.8 ± 10.2

409.6 ± 20.5

819.2 ± 41.0

1,638.4 ± 81.9

Programmed pulse width tolerance: 5% or 2ns,

whichever is greater

PPG312F-.5

PPG312F-1

PPG312F-2

PPG312F-5

PPG312F-10

PPG312F-20

PPG312F-50

PPG312F-100

PPG312F-200

PPG312F-400

Inherent width (PW₀):20ns typical

Inherent delay (T_TO): 10ns ± 2ns

Operating temperature: 0° to 70° C

Supply voltage V_CC: 5VDC ± 5%

Supply current: I_CC= 200ma typical

1 ± .5

2 ± .5

5 ± 1.5

10 ± 2.0

20 ± 2.0

50 ± 2.5

100 ± 5.0

200 ± 10.0

400 ± 20.0

NOTE: Any dash number between .5 and 400 not

shown is also available.

Ó1997 Data Delay Devices

Doc #97008

DATA DELAY DEVICES, INC.

3 Mt. Prospect Ave. Clifton, NJ 07013

1/15/97

12 3 4 5

中文翻译

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