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CXOH / CXOHV Model

14 Pin Dip,

3.3V & 5V, HCMOS/TTL

Frequency Range:

Frequency Stability:

Freq. Stability vs Volt:

Freq. Stability vs Load:

Temperature Range:

Storage:

Input Voltage:

Mech. Trim. Range:

(Option V)

Input Current:

Output:

Symmetry:

(Option Y)

Rise/Fall Time:

Output Voltage:

Load:

Phase Noise Typ.:

10Hz

100Hz

1KHz

10KHz

100KHz

Aging:

.720

(18.30)

1MHz to 38MHz

鹵1ppm to 鹵5ppm

鹵0.5ppm Max

鹵0.3ppm Max

ee

Fr

ad

-40擄C to 85擄C

Le oHS ant

R pli

-55擄C to 120擄C

m

Co

3.3V or 5V 鹵 5%

鹵3ppm Min

Voltage Trim Pin 1

15mA Typ, 30mA Max

HCMOS/TTL

Designed to meet today's

40/60% Max @ 50% Vdd

requirements for tighter

45/55% Max

frequency stability tolerance

4ns Typ, 10ns Max

while reducing unit cost.

"0" = 10% Vdd Max

"1" = 90% Vdd Min

VCTCXO Specification

15pF/10TTL Max

-100dBc/Hz

Voltage Trim Pin 1:

鹵 5ppm Min

-130dBc/Hz

Control Voltage:

(5V) 2.5V 鹵 2.5V

-140dBc/Hz

(3.3V) 1.65V 鹵 1.65V

-145dBc/Hz

-150dBc/Hz

<1ppm Max/Yr

Temperature Compensated

Crystal Oscillator

Voltage Trim Option

Available

CXOH

*A

.472

(12.00)

.098

(2.50)

.020

(0.50)

.157

(4.00)

.600

(15.24)

CRYSTEK

Freq

Part no

DC

#1

#7

Suggested PCB Layout

.300

(7.62)

.051

(1.30)

.150

(3.81)

.150

(3.81)

.360

(9.14)

.300

(7.62)

.030

(0.76)

PIN

1

7

8

14

Function

VT or NC

GND

OUT

Vcc

.178

(4.50)

.197

(5.00)

ID=

.300

(7.62)

.157

(4.00) Min

.039

(1.00)

.075

(1.90)

*A

#14

#8

Dimensions inches (mm)

All dimensions are Max unless otherwise specified.

OUT

mA

M

pin 14

Vdd

OUT

pin 8

OSC.

Crystek Part Number Guide

PWR

Supply

O/P Load

incl Probe Cl

CXOHV - 4 B C 3 Y - 25.000

#1

#2

#3

#4

#5

#6

#7

#8

VM

pin 1

Option

GND

pin 7

A

B

C

D

E

F

G

H

Operating

Temperature

0擄C to 50擄C

-10擄C to 60擄C

-10擄C to 70擄C

-20擄C to 70擄C

-30擄C to 60擄C

-30擄C to 70擄C

-30擄C to 75擄C

-40擄C to 85擄C

Freq. Stability (鹵 ppm)

1.0

1.5

2.0

2.0

2.0

2.0

2.0

2.0

2.0

P

A

B

2.5

2.5

2.5

2.5

2.5

2.5

2.5

C

3.0

3.0

3.0

3.0

3.0

3.0

3.0

3.0

D

4.0

4.0

4.0

4.0

4.0

4.0

4.0

4.0

E

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

F

#1 Crystek TCXO HCMOS/TTL

#2 V or blank = (V = Volt.Trim) (Blank = Mech. Trim)

#3 4 or blank = Height (4 = 4.5mm) (Blank = 5.0mm)

#4 Letter = Operating Temperature (see table 1)

#5 Letter = Frequency Stability (see table 1)

#6 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V)

#7 Y or blank = Symmetry (Y=45/55) (Blank = 40/60)

#8 Frequency in MHz: 3 or 6 decimal places

Example:

CXOH-4BC3Y-25.000 = mech. trim, 4.5mm, -10/60, 鹵2.5ppm, 3.3V, 45/55%, 25.000MHz

CXOHV-4B3CY-25.000 = volt. trim, 4.5mm, -10/60,鹵2.5ppm, 3.3V, 45/55%, 25.000MHz

Table 1

24

Specifications subject to change without notice.

TD-020811 Rev. E

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