GTXO-420T/KRP19.440MHZ datasheet, PDF

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GTXO-420T/KRP19.440MHZ: DescriptionHCMOS/TTL Output Clock Oscillator, 19.44MHz Nom; CategoryPassive components oscillator; File Size53KB，1 Pages; ManufacturerGolledge Electronics; Websitehttp://www.golledge.com/

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GTXO-420T/KRP19.440MHZ Overview

HCMOS/TTL Output Clock Oscillator, 19.44MHz Nom

GTXO-420T/KRP19.440MHZ Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
Ageing	1 PPM/YEAR
maximum descent time	10 ns
Frequency Adjustment - Mechanical	NO
frequency stability	3%
Manufacturer's serial number	GTXO-420
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	19.44 MHz
Maximum operating temperature	50 °C
Minimum operating temperature
Oscillator type	HCMOS/TTL
Output load	10 TTL, 50 pF
physical size	21.0mm x 21.0mm x 12.0mm
longest rise time	10 ns
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	NO
maximum symmetry	40/60 %
Base Number Matches	1

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Custom TCXO

Specifications

GTXO-420

GTXO-420H: Standard drive HCMOS / TTL output

PHOTO NOT AVAILABLE

GTXO-420T: High drive HCMOS / TTL output

Variant

1.0 ~ 120MHz

1.0 ~ 50MHz

HCMOS / TTL

Option

Codes

Parameters

Frequency range:

21.00

(max)

21.00

(max)

Output waveform:

12.00

(max)

5.00

(min)

POTENTIOMETER TRIMMING (OPTION P)

VARIABLE RESISTOR TRIMMING (OPTION R)

10k

PIN CONNECTION

OPTIONS N & I

Supply

Output

Ground

Not connected

OPTION V

Supply

Output

Ground

Not connected

OPTION P

Supply

Output

Ground

OPTION R

Supply

Output

Ground

10k

Driving ability:

15pF HCMOS / 2 TTL (<50.0MHz)

50pF HCMOS / 10 TTL (<50.0MHz)

50pF HCMOS / 10 TTL (>50.0MHz)

Logic levels:

‘0’ = +0.5V max, ‘1’ = +4.5V min

‘0’ = +0.4V max, ‘1’ = +2.4V min

Rise / fall time:

10ns max

0.80Ø

15.24

7.62

Waveform symmetry:

40:60 max @ 2.5V

40:60 max @ 1.4V

Frequency stability:

±3.0ppm

±2.5ppm

±2.0ppm

±1.5ppm

±1.0ppm

±0.5ppm

0 to +50°C

-10 to +60°C

-20 to +70°C

-30 to +85°C

BOTTOM VIEW

Temperature range:

Freq adjustment Freq adjustment Variable resistor

Ref voltage out Not connected

Scale 1:1

Storage temperature range:

-40 to +85°C

Frequency vs supply voltage:

±0.1ppm / V max

Ageing:

±1.0ppm max per year

specify

Features

➠

Wide frequency range

Industry standard pin-out

Custom options available

Supply voltage (V

+5.0V (±5%)

+5.0V ~ 13V (±5%)

Supply current:

20mA max (<20.0MHz)

30mA max (20.0~50.0MHz)

50mA max (>50.0MHz)

Frequency adjustment:

None

±3ppm min by internal trimmer

±5ppm, 2.5V ±2.5V

±5ppm by external potentiometer

±5ppm by variable resistor

Standard.

Optional - Please specify required code(s) when ordering

Frequency Stability

The table shows option codes for the available combinations of

frequency stability (in ppm) and temperature range. Some

combinations may not be available at certain frequencies.

±3.0

-30 to +85°C

-20 to +70°C

-10 to +60°C

0 to +50°C

±2.5

±2.0

±1.5

±1.0

±0.5

Ordering Information

Product name + variant + option codes + frequency

eg:

GTXO-420H/JCN 44.7360MHz

±2.5ppm -10+60°C

GTXO-420T/FRI 19.440MHz

±1.0ppm 0+50°C

Option code X (eg GTXO-420H/X) denotes a custom spec.

Tel:

+44 1460 256 100

15 Jun 2001

Fax:

+44 1460 256 101

E-mail:

sales@golledge.com

Web:

www.golledge.com

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