Product information is current as of publication date. The product conforms

Copyright © 2009, Pletronics Inc.

to specifications per the terms of the Pletronics standard warranty. Production

processsing does not necessarily include testing of all parameters.

Reference

oscillator

optional

Voltage

controlled

- Programming

control

- eePROM

- SDA/SCL

Registers

- Sx Control

S2/SCL (1)

S1/SDA (2)

(4)

Out

Y1

PLL Multiplier #1

optional Spread Spectrum

optional Bypass Mode

MUX #1

Divider #1

/1 to /1023

Vddout

(6)

Vdd 1.8V (5)

Ground (3)

Optional

Vcontrol

FD5T Series

FD51xxT-32.768KHz

CMOS Clock Oscillator

March 2009

• Pletronics’ FD51T Series is a quartz crystal

controlled precision square wave generator

• Output frequency 32.768KHz

• Selectable low jitter or spread spectrum output.

• Device characteristics may be either factory or

field programmable

• Tape and Reel or cut tape packaging is available

•

• 3.2 x 5 mm LCC Ceramic Package

• Stability is much better than

an XY cut watch crystal

• Very fast Start-up time, <10mS

• Low power

• 1.8V, 2.5 or 3.3V LVCMOS outputs

• Designed for high density SMD needs

Pletronics Inc. certifies this device is in accordance with the

RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.

Pletronics Inc. guarantees the device does not contain the following:

Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s

Weight of the Device: 0.09 grams

Moisture Sensitivity Level: 1 As defined in J-STD-020C

Second Level Interconnect code: e4

Absolute Maximum Ratings:

Parameter

Unit

V

DD

-0.5V to +2.5V

V

DDOUT

-0.5V to +4.6V

Vi

Input Voltage

-0.5V to V

Vo

Output Voltage

-0.5V to V

Io

Continuous Output Current

+

_ 50 mA

Tj Maximum Junction Temperature

125

Thermal Resistance, Junction to Case

50