M2040-01-533.3334T

M2040-01-533.3334T Datasheet


M2040

Part Datasheet
M2040-01-533.3334T M2040-01-533.3334T M2040-01-533.3334T (pdf)
Related Parts Information
M2040-01-533.3334 M2040-01-533.3334 M2040-01-533.3334
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Integrated Circuit Systems, Inc.

M2040

FREQUENCY TRANSLATION PLL WITH AUTOSWITCH

The M2040 is a VCSO Voltage Controlled SAW Oscillator based clock generator PLL designed for clock protection, frequency translation and jitter attenuation in fault tolerant computing applications. It features dual differential inputs with two modes of input selection manual
and automatic upon clock failure. The clock multiplication ratios and output divider ratio are pin selectable. External loop components allow the tailoring of PLL loop response.

Integrated SAW surface acoustic wave delay line VCSO frequency of or MHz;* outputs VCSO frequency or half pin-configurable dividers

Loss of Lock LOL indicator output

Narrow Bandwidth control input NBW Pin Initialization INIT input overrides NBW at power-up

Dual reference clock inputs support LVDS, LVPECL, LVCMOS, LVTTL

Automatic non-revertive reference clock reselection upon clock failure controlled PLL slew rate ensures normal system operation during reference reselection

Acknowledge pin indicates the actively selected reference input

Dual differential LVPECL outputs

Low phase jitter of < 0.5ps rms, typical 12kHz to 20MHz or 50kHz to 80MHz

Industrial temperature available

Single 3.3V power supply

Small 9 x 9 mm SMT surface mount package

SIMPLIFIED BLOCK DIAGRAM

PIN ASSIGNMENT 9 x 9 mm SMT
nDIF_REF1

DIF_REF1

REF_SEL
nDIF_REF0

DIF_REF0

AUTO

FIN_SEL1

FIN_SEL0 MR_SEL

REF_ACK LOL NBW VCC DNC

M2040

Top View

P_SEL INIT nFOUT0 FOUT0 GND nFOUT1 FOUT1 VCC GND
nOP_IN

OP_OUT
nOP_OUT

OP_IN

Figure 1 Pin Assignment

Example Input / Output Frequency Combinations

Input MHz VCSO * MHz Output MHz

Table 1 Example Input / Output Frequency Combinations
* Specify VCSO center frequency at time of order.

Loop Filter

M2040
ORDERING INFORMATION

Part Number:

M2040- 01 - xxx.xxxx

Temperature “- ” = 0 to +70 oC commercial I = - 40 to +85 oC industrial

Frequency MHz Consult ICS for available VCSO frequencies
Figure 10 Ordering Information Example Part Numbers

VCSO Freq

Temperature
commercial industrial

M2040-01- M2040-01I
commercial industrial

M2040-01- M2040-01I

Table 12 Example Part Numbers

Consult ICS for the availability of other VCSO frequencies.

While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems ICS assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments.

M2040 Datasheet Rev
12 of 12

Integrated Circuit Systems, Inc. ● Networking & Communications ● ● tel 508 852-5400
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Datasheet ID: M2040-01-533.3334T 637419