DS21610QN datasheet, PDF - EEWORLD Datasheet

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DS21610QN: DescriptionClock Generators u0026 Support Products; Categorylogic logic; File Size311KB，15 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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DS21610QN Overview

Clock Generators u0026 Support Products

DS21610QN Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	QLCC
package instruction	PLASTIC, LCC-28
Contacts	28
Reach Compliance Code	not_compliant
Factory Lead Time	1 week
Other features	ALSO OPERATES AT 5V SUPPLY
series	21610
Input adjustment	STANDARD
JESD-30 code	S-PQCC-J28
JESD-609 code	e0
length	11.505 mm
Logic integrated circuit type	PLL BASED CLOCK DRIVER
Humidity sensitivity level	1
Number of functions	1
Number of inverted outputs
Number of terminals	28
Actual output times	2
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Package shape	SQUARE
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	245
propagation delay (tpd)	41 ns
Certification status	Not Qualified
Maximum seat height	4.57 mm
Maximum supply voltage (Vsup)	3.465 V
Minimum supply voltage (Vsup)	3.135 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	11.505 mm
minfmax	8.192 MHz

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DS21610

3.3V/5V Clock Rate Adapter

www.maxim-ic.com

GENERAL DESCRIPTION

The DS21610 is a multirate, low-jitter clock adapter

that converts E-carrier and T-carrier clocks to

multiple PDH carrier clock rates. Two clock outputs

are available that are frequency-locked to the input

clock. The clock outputs along with an 8kHz frame-

sync output can be phase-aligned to a frame-sync

input. The device is backward compatible with the

LXP610 and operates from either a 3.3V or 5V

supply. All modes of operation include a standard

8kHz output.

FEATURES

Direct Replacement for LXP610SE

Converts E-Carrier Clock Rates to T-Carrier

Clock Rates

Converts T-Carrier Clock Rates to E-Carrier

Clock Rates

3.3V or 5V Supply

Low Jitter Output

Multiple Output Clocks Synchronized to

Input Clock

8kHz Frequency-Locked Output for all

Operation Modes

No External Components Required

16-Pin SO and 28-Pin PLCC

Industrial Temperature Range:

-40°C to +85°C

PIN CONFIGURATION

TOP VIEW

Dallas

Semiconductor

DS21610

ORDERING INFORMATION

PART

DS21610SN

DS21610SN+

DS21610QN

DS21610QN+

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

16 SO

28 PLCC

Denotes a lead-free/RoHS-compliant device.

Note:

Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here:

www.maxim-ic.com/errata.

1 of 15

REV: 011606

DS21610 3.3V/5V Clock Rate Adapter

TABLE OF CONTENTS

1.1

PIN DESCRIPTION ........................................................................................................................ 3

OMPATIBILITY WITH

LXP610 .........................................................................................................................3

3.1

FUNCTIONAL DESCRIPTION ....................................................................................................... 5

OUTPUT JITTER............................................................................................................................ 6

ITTER

RANSFER

...........................................................................................................................................6

5.1

5.2

OPERATING PARAMETERS......................................................................................................... 8

PACKAGE INFORMATION.......................................................................................................... 13

16-P

SO (300

MILS

) (56-G4009-001) .......................................................................................................13

28-P

PLCC (56-G4001-001)....................................................................................................................14

REVISION HISTORY.................................................................................................................... 15

LIST OF FIGURES

Figure 1-1. Block Diagram ...................................................................................................................... 4

Figure 3-1. Nominal Jitter Transfer (1.544MHz CLKIN to 2.048MHz CLKOUT1)................................... 6

Figure 3-2. Nominal Jitter Transfer (2.048MHz CLKIN to 1.544MHz CLKOUT1)................................... 7

Figure 4-1. SYNCIN/CLKIN to CLKOUT1/SYNCOUT and CLKOUT2.................................................. 10

Figure 4-2. Output Frame-Sync Alignment When CLKOIT2 = 2 x CLKOUT1 ...................................... 11

Figure 4-3. Output Frame-Sync Alignment When CLKOUT2 = 3 x CLKOUT1..................................... 11

Figure 4-4. Output Frame-Sync Alignment When CLKOIT2 = 4 x CLKOUT1 ...................................... 12

Figure 4-5. Output Frame-Sync Alignment When CLKOUT2 = 5 x CLKOUT1..................................... 12

LIST OF TABLES

Table 1-A. Pin Description ...................................................................................................................... 3

Table 1-B. Pin Name Cross-Reference to LXP610 ................................................................................ 3

Table 2-A. Program Pin Functions (SEL = 0) ......................................................................................... 5

Table 2-B. Program Pin Functions (SEL = 1) ......................................................................................... 5

Table 3-A. Output Jitter Specifications, CLKOUT1 = 1.544MHz ............................................................ 6

Table 3-B. Output Jitter Specifications, CLKOUT1 = 2.048MHz ............................................................ 6

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