nb6l295m ON Semiconductor, nb6l295m Datasheet

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nb6l295m

Manufacturer Part Number
nb6l295m
Description
2.5v / 3.3v Dual Channel Programmable Clock/data Delay With Differential Cml Outputs
Manufacturer
ON Semiconductor
Datasheet

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NB6L295M
2.5V / 3.3V Dual Channel
Programmable Clock/Data
Delay with Differential CML
Outputs
Multi-Level Inputs w/ Internal Termination
designed primarily for Clock or Data de-skewing and timing
adjustment. The NB6L295M is versatile in that two individual
variable delay channels, PD0 and PD1, can be configured in one of
two operating modes, a Dual Delay or an Extended Delay.
section which is designed using a matrix of gates and a chain of
multiplexers. There is a fixed minimum delay of 3.2 ns per channel.
plus PD1 and is accomplished with the Serial Data Interface MSEL bit
set High. This will internally cascade the output of PD0 into the input
of PD1. Therefore, the Extended Delay path starts at the IN0/IN0
inputs, flows through PD0, cascades to the PD1 and outputs through
Q1/Q1. There is a fixed minimum delay of 6.0 ns for the Extended
Delay Mode.
channel via a 3-pin Serial Data Interface, described in the application
section. The digitally selectable delay has an increment resolution of
typically 11 ps with a net programmable delay range of either 0 ns to
6 ns per channel in Dual Delay Mode; or from 0 ns to 11.2 ns for the
Extended Delay Mode.
LVPECL, LVDS or CML logic levels; or by single ended LVPECL,
LVCMOS or LVTTL. A single enable pin is available to control both
inputs. The SDI input pins are controlled by LVCMOS or LVTTL
level signals. The NB6L295M 16 mA CML output contains
temperature compensation circuitry. This device is offered in a 4 mm x
4 mm 24-pin QFN Pb-free package. The NB6L295M is a member of
the ECLinPS MAX™ family of high performance products.
© Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 0
The NB6L295M is a Dual Channel Programmable Delay Chip
In the Dual Delay Mode, each channel has a programmable delay
The Extended Delay Mode amounts to the additive delay of PD0
The required delay is accomplished by programming each delay
The Multi-Level Inputs can be driven directly by differential
Input Clock Frequency > 1.5 GHz with 210 mV
V
Input Data Rate > 2.5 Gb/s
Programmable Delay Range: 0 ns to 6 ns per Delay
Channel
Programmable Delay Range: 0 ns to 11.2 ns for
Extended Delay Mode
Total Delay Range: 3.2 ns to 9.0 ns per Delay Channel
Total Delay Range: 6.2 ns to 17.8 ns in Extended Delay
Mode
Monotonic Delay: 11 ps Increments in 511 Steps
Linearity $20 ps, Maximum
100 ps Typical Rise and Fall Times
OUTPP
1
1 ps Typical Clock Jitter, RMS
20 ps Pk-Pk Typical Data Dependent Jitter
LVPECL, CML or LVDS Differential Input Compatible
LVPECL, LVCMOS, LVTTL Single Ended Input
Compatible
3-Wire Serial Interface
Operating Range: V
CML Output Level; 380 mV Peak-to-Peak, Typical
Internal 50 W Input/Output Termination Provided
-40°C to 85°C Ambient Operating Temperature
24-Pin QFN, 4 mm x 4 mm
These are Pb-Free Devices
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
24
*For additional marking information, refer to
Application Note AND8002/D.
A
L
Y
W
G
(Note: Microdot may be in either location)
1
ORDERING INFORMATION
CC
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb-Free Package
http://onsemi.com
= 2.375 V to 3.6 V
MN SUFFIX
CASE 485L
QFN-24
Publication Order Number:
1
DIAGRAM*
MARKING
24
NB6L295M/D
ALYWG
NB6L
295M
G

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nb6l295m Summary of contents

Page 1

... The SDI input pins are controlled by LVCMOS or LVTTL level signals. The NB6L295M 16 mA CML output contains temperature compensation circuitry. This device is offered 24-pin QFN Pb-free package. The NB6L295M is a member of the ECLinPS MAX™ family of high performance products. • ...

Page 2

... NB6L295M Figure 1. Simplified Functional Block Diagram http://onsemi.com 2 ...

Page 3

... VCC1s are connected to each other: VCC0 and VCC1 are separate. NB6L295M VT0 IN0 IN0 VT0 GND VCC0 NB6L295M VT1 IN1 IN1 VT1 GND VCC1 Figure 2. Pinout: QFN-24 (Top View) ...

Page 4

... Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 4. JEDEC standard multilayer board - 2S2P (2 signal, 2 power) with 8 filled thermal vias under exposed pad. NB6L295M Characteristics Human Body Model Machine Model ...

Page 5

... IH IL, ISE single-ended mode and V parameters must be complied with simultaneously. IHD ILD, ID CMR 9. V (min) varies 1:1 with voltage on GND pin, V CMR the differential input signal. NB6L295M CC0 CC1 and Outputs Open) (Sum 3 CC0 ...

Page 6

... Extended Mode INx to Qx/INx to Qx D[8: D[8: Step Delay (Selected D Bit HIGH All Others LOW) D0 HIGH D1 HIGH D2 HIGH D3 HIGH D4 HIGH D5 HIGH D6 HIGH D7 HIGH D8 HIGH NB6L295M = 2.375 V to 3.6 V, GND = CC0 CC1 Characteristic ≤ 1.5 GHz ) f INPPmin in IN0/IN0 to Q0/Q0 or IN1/IN1 to Q1/Q1 IN0/IN0 to Q1/Q1 D[8: D[8: ...

Page 7

... Serial Data Interface Programming The NB6L295M is programmed by loading the 11-Bit SHIFT REGISTER using the SCLK, SDATA and SLOAD inputs. The 11 SDATA bits are 1 PSEL bit, 1 MSEL bit and 9 delay value data bitsD[8:0]. A separate 11-bit load cycle is required to program the delay data value of each channel, PD0 and PD1. For example, at powerup two load cycles will be needed to initially set PD0 and PD1 ...

Page 8

... LOW (enabled) for functional delay operation. EN LSB PSEL MSEL D0 SDIN SCLK C0 C1 SLOAD t SDIN to s SCLK t SDIN to SCLK h Figure 8. SDI Programming Cycle Timing Diagram (Load Cycle NB6L295M Q0/Q0 MSEL 0 1 11-Bit Shift Register Load Cycle Required for Each Channel http://onsemi.com 8 ...

Page 9

... NB6L295M (Decimal) MSEL (0) 0 (1) 0 (2) 0 (3) 0 (4) 0 (5) 0 (6) 0 (7) 0 (8) 0 • • • (16) ...

Page 10

... Driven Differentially IHD(MAX) V ILD(MAX) V IHD CMR ID V ILD V IHD(MIN) V ILD(MIN) GND Figure 15. V Diagram CMR NB6L295M Figure 10. Typical CML Output Structure thmax thmin GND INx INx Figure 14. Differential Inputs Driven INx INx IHD ILD Figure 16 ...

Page 11

... GND GND Single-Ended Driver GND GND Figure 21. Capacitor-Coupled Single-Ended ; Interface (V Bypassed to Ground with 0.1 mF Capacitor) V REFAC http://onsemi.com INx NB6L295M = INx GND Figure 18. LVDS Interface CC V ...

Page 12

... Figure 23. Output Voltage Amplitude (V Output Frequency at Ambient Temperature (Typical) ORDERING INFORMATION Device NB6L295MMNG NB6L295MMNTXG †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. NB6L295M ...

Page 13

... FROM TERMINAL. 4. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS. MILLIMETERS DIM MIN MAX A 0.80 1.00 A1 0.00 0.05 A2 0.60 0.80 A3 0.20 REF b 0.23 0.28 D 4.00 BSC D2 2.70 2.90 E 4.00 BSC E2 2.70 2.90 e 0.50 BSC L 0.35 0.45 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. NB6L295M/D ...

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