VF640 Valpey Fisher, VF640 Datasheet

VF640

Manufacturer Part Number

VF640

Description

Cmos/ttl Compatible Clock Oscillator Miniature 6 Pin Ceramic Package

Manufacturer

Valpey Fisher

Datasheet

1.VF640.pdf (1 pages)

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75 South Street, Hopkinton, MA 01748

(3,35mm

All dimensions are typical unless otherwise specified.

0.132"

FREQUENCY STABILITY

Code

Example: VF640BHL-1-19.44MHz: Frequency Stability 25ppm,

Duty Cycle 1.5%, Input Voltage 3.3 Volt 5%, Operating

Temperature -40 C to +85 C, Frequency 19.44MHz.

(7,87mm)

(7,62mm)

DUTY CYCLE

Code

0.310"

VF640

0.300"

VF640

CMOS/TTL Compatible Clock Oscillator

Miniature 6 Pin Ceramic Package

F E AT U R E S

•

0,254mm)

0.010"

Specification

100

500

Tight Duty Cycle Available

Very Low Phase Jitter

Tristate Output Control

Specification

ppm

ppm (std.)

ppm

10% (std.)

Creating a Part Number

19.44MHZ

(5,08mm)

VF640

0.335"

BO1H

(8,51)

0.200"

INPUT VOLTAGE

Code

(2,54mm)

(0,457mm

0.100"

OPERATIONAL TEMP. RANGE

Code

800-982-5737

Specification

3.3 Volt

5.0 Volt (std.)

(0,254mm

0.018"

0.250" REF

(6,35mm)

0.010"

FREQ.

Specification

0 C to +70 C (std.)

-40 C to +85 C

0.002"

0,05mm)

0.002"

0,05mm)

508-435-6831

Notes:

1. Standard frequency stability, others available.

2. Current is load and frequency dependent.

3. Standard symmetry, tighter available.

4. Surface mount available, see VF640–G, VF640–L.

All specifications are subject to change without notice.

Parameter

Input Break

Down Voltage

Storage Temp.

Frequency

Range

Frequency

Stability

Input Voltage

Input Current

Load

Duty Cycle

Rise/Fall Time

Logic “1” Level

Logic “0” Level

Start–up Time

Phase Jitter

Tristate

Function

Enable/

Disable Time

Operating

Temperature Range

Mechanical Shock

Thermal Shock

Vibration

Soldering Conditions

Hermetic Seal

Pin Out

Fax: 508-435-5289 www.valpeyfisher.com

X O

Symb

Te/Td

Tr/Tf

Vcc

Voh

Vol

Icc

F/F

Input HIGH (>2.5V) or floating:

Input LOW (<0.5V):

Per MIL–STD–883, Method 2007, Cond. A

260°C, for 10s, Max. or 230°C for 90s, Max

Leak rate less than 5 x 10

0°C to +70°C (–40°C to +85°C available)

Per MIL–STD–202, Method 213, Cond. E

Per MIL–STD–883, Method 1011, Cond. A

Pin #1–N/C

Pin #3–Ground, Case

Pin #5–N/C

15pF load, 50MHz

Overall conditions

calibration, temp.,

shock, vibration

aging 10 yrs,

20% to 80%

0.4V to 2.4V

Condition

Max Load

including:

@1.4V

10 TTL gates or 50pF Max

*Not recommended for new designs

0.9Vcc

4.75

3.15

Min

–0.5

–55

2.0

–8

Pin #2–Tristate Control

Pin #4–Output

Pin #6–Vcc

atm.cc/s of helium

ACTIVE

INFINITE IMPEDANCE

5.00

3.30

Typ

0.1Vcc

±100

Max

+125

5.25

3.45

130

100

7.0

4.0

1.5

MHz

Unit

ppm

°C

VF640

fj>1KHz

LV Opt.

Note

Std.

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