DS1077LZ-40+T&R datasheet, PDF

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DS1077LZ-40+T&R: DescriptionClock Generator, 40MHz, CMOS, PDSO8, 0.150 INCH, SO-8; CategoryMicrocontrollers and processors The clock generator; File Size290KB，21 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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DS1077LZ-40+T&R Overview

Clock Generator, 40MHz, CMOS, PDSO8, 0.150 INCH, SO-8

DS1077LZ-40+T&R Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SOIC
package instruction	SOP,
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	6 weeks
Is Samacsys	N
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Humidity sensitivity level	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output clock frequency	40 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage	3.6 V
Minimum supply voltage	2.7 V
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER
Base Number Matches	1

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DS1077L

3V EconOscillator/Divider

www.maxim-ic.com

FEATURES

Processor-controlled or stand-alone solid-

state oscillator

Frequency changes on the fly

Dual, low-jitter, synchronous fixed-

frequency outputs

2-wire serial interface

Frequency outputs 4.87kHz to 66.666MHz

±1.25% variation over temperature and

voltage

±0.5% initial tolerance

Nonvolatile frequency settings

Single 2.7V to 3.6V supply

No external components

Power-down mode

Synchronous output gating

PIN ASSIGNMENTS

OUT1

OUT0

GND

SCL

SDA

CTRL1

CTRL0

150mil SO

118mil µSOP

PIN DESCRIPTIONS

OUT1

OUT0

GND

CTRL1

CTRL0

SDA

SCL

STANDARD FREQUENCY OPTION

Note: x denotes package option

DS1077Lx-40

40.000MHz to 4.87kHz

DS1077Lx-50

50.000MHz to 6.09kHz

DS1077Lx-60

60.000MHz to 7.32kHz

DS1077Lx-66

66.666MHz to 8.13kHz

Contact the factory for the availability of

additional frequencies.

- Main Oscillator Output

- Reference Output

- Power-Supply Voltage

- Ground

- Control Pin for OUT1

- Control Pin for OUT0

- 2-Wire Serial Data

Input/Output

- 2-Wire Serial Clock

ORDERING INFORMATION

Note: XXX denotes frequency option

DS1077LZ-XXX 8-pin 150mil SO

DS1077LU-XXX 8-pin 118mil µSOP

DESCRIPTION

The DS1077L is a dual-output, programmable, fixed-frequency oscillator requiring no external

components for operation. The DS1077L can be used as a processor-controlled frequency synthesizer or

as a stand-alone oscillator. The two synchronous output operating frequencies are user-adjustable in

submultiples of the master frequency through the use of two on-chip programmable prescalers and

dividers. The specific output frequencies chosen are stored in nonvolatile (EEPROM) memory. The

DS1077L defaults to these values upon power-up.

The DS1077L features a 2-wire serial interface that allows in-circuit on-the-fly programming of the

programmable prescalers (P0 & P1) and divider (N) with the desired values being stored in nonvolatile

(EEPROM) memory. Design changes can be accommodated in-circuit, on-the-fly by simply programming

different values into the device (or reprogramming previously programmed devices). Alternatively, for

fixed-frequency applications previously programmed devices can be used and no connection to the serial

interface is required. Preprogrammed devices can be ordered in customer-requested frequencies.

The DS1077L is available in SO or µSOP packages, allowing the generation of a clock signal easily,

economically, and using minimal board area. Chip-scale packaging is also available on request.

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