852911AVILF IDT, 852911AVILF Datasheet

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852911AVILF

Manufacturer Part Number
852911AVILF
Description
Clock Drivers & Distribution
Manufacturer
IDT
Datasheet

Specifications of 852911AVILF

Product Category
Clock Drivers & Distribution
Rohs
yes
Part # Aliases
ICS852911AVILF
B
G
The ICS852911I is a low skew, 1-to-9 Differential-to-HSTL
Fanout Buffer. The ICS852911I has two selectable clock
inputs which can accept most differential input levels.
Guaranteed output skew, part-to-part skew and crossover
voltage characteristics make the ICS852911I ideal for today’s
most advanced applications, such as IA64 and static RAMs.
852911AVI
nPECL_CLK
nHSTL_CLK
PECL_CLK
HSTL_CLK
LOCK
ENERAL
CLK_SEL
D
IAGRAM
D
ESCRIPTION
0
1
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
Q5
nQ5
Q6
nQ6
Q7
nQ7
Q8
nQ8
www.idt.com
1
F
• 9 HSTL outputs
• Selectable differential CLK, nCLK or LVPECL clock inputs
• HSTL_CLK, nHSTL_CLK pair can accept the following
• PECL_CLK, nPECL_CLK supports the following input types:
• Maximum output frequency: 500MHz
• Output skew: 100ps (maximum)
• Part-to-part skew: 300ps (maximum)
• Propagation delay: 1.7ns (maximum)
• V
• 3.3V core, 1.6V to 3.6V output supply range
• -40°C to 85°C ambient operating temperature
P
differential input levels: LVPECL, LVDS, HSTL, SSTL, HCSL
LVPECL, CML, SSTL
EATURES
IN
OH
nPECL_CLK
nHSTL_CLK
D
PECL_CLK
HSTL_CLK
= 1.4V (maximum)
CLK_SEL
IFFERENTIAL
A
SSIGNMENT
GND
11.6mm x 11.4mm x 4.1mm package body
V
DD
26
27
28
1
2
3
4
25
5
-
24
6
TO
ICS852911I
28-Lead PLCC
V Package
-HSTL F
Top View
23 22
7
8
L
21 20
9
ICS852911I
OW
10
ANOUT
S
11
19
KEW
18
17
16
15
14
13
12
REV. A AUGUST 5, 2010
, 1-
Q3
nQ3
Q4
V
nQ4
Q5
nQ5
B
DDO
UFFER
TO
-9

Related parts for 852911AVILF

852911AVILF Summary of contents

Page 1

... ICS852911I nHSTL_CLK 2 nQ3 PECL_CLK 3 Q4 nQ4 nPECL_CLK nQ5 Q6 nQ6 28-Lead PLCC Q7 11.6mm x 11.4mm x 4.1mm package body nQ7 Q8 nQ8 www.idt.com 1 ICS852911I KEW TO -HSTL F B ANOUT UFFER nQ3 DDO nQ4 ...

Page 2

... ABLE www.idt.com 2 ICS852911I KEW - -HSTL F TO ANOUT ...

Page 3

... www.idt.com 3 ICS852911I KEW - -HSTL ANOUT 3.6V -40°C 85° ...

Page 4

... www.idt.com 4 ICS852911I KEW - -HSTL F TO ANOUT = -40°C 85° ...

Page 5

... HSTL_CLK, PECL_CLK nQx GND EST IRCUIT IFFERENTIAL PART 1 nQx Qx PART 2 nQy ART TO ART Clock 20% Outputs O R UTPUT ISE x 100% ERIOD www.idt.com 5 ICS852911I KEW - -HSTL ANOUT V Cross Points NPUT EVEL t sk(pp) S KEW 80% 80 ...

Page 6

... For example, if the input DD clock swing is only 2.5V and V and R2/R1 = 0.609 CLK_IN + V_REF - C1 R2 0.1uF INGLE NDED IGNAL RIVING IFFERENTIAL www.idt.com 6 ICS852911I KEW TO - -HSTL ANOUT UFFER = 3.3V, V_REF should be 1.25V DD I NPUT REV. A AUGUST 5, 2010 ...

Page 7

... HSTL_CLK/nHSTL_CLK IGURE RIVER 3.3V 3.3V LVDS_Driv er CLK nCLK HiPerClockS Input 2D. IGURE RIVER 3.3V R4 125 CLK nCLK HiPerClockS Input RIVER WITH www.idt.com 7 ICS852911I KEW - -HSTL ANOUT 3. Ohm CLK Ohm nCLK HiPerClockS Input 3.3V LVPECL D ...

Page 8

... IGURE RIVER 3.3V 3.3V R4 125 LVDS PCLK nPCLK HiPerClockS Input 3D. IGURE I RIVER 3. PCLK nPCLK HiPerClockS PCLK/nPCLK R2 125 RIVER www.idt.com 8 ICS852911I KEW - -HSTL ANOUT 2.5V 3. 120 120 Ohm PCLK Ohm nPCLK HiPerClockS PCLK/nPCLK R1 R2 120 120 ...

Page 9

... HSTL_CLK VCC 1 VCC VCCO 2 nHSTL_CLK nQ4 3 PECL_CLK 4 nPECL_CLK nQ5 R10 C9 50 0.1u ICS852911I R12 1K C3 0.1uF VCC=3.3V VCCO=1.6V to 3.6V 4. ICS852911I HSTL B S UFFER CHEMATIC www.idt.com 9 ICS852911I KEW - -HSTL F TO ANOUT ...

Page 10

... D IFFERENTIAL P C OWER ONSIDERATIONS = 3.3V + 0.3V = 3.6V, which gives worst case results 3.6V * 95mA = 342mW * Pd_total + for 28-pin PLCC, Forced Convection by Velocity (Linear Feet per Minute 37.8°C/W www.idt.com 10 ICS852911I KEW TO - -HSTL ANOUT UFFER must be used. Assuming a JA 200 500 31.1° ...

Page 11

... DDO_MAX OL_MAX Pd_H = (1.4V/50Ω) * (3.6V - 1.4V) = 61.6mW Pd_L = (0.4V/50Ω) * (3.6V - 0.4V) = 25.6mW Total Power Dissipation per output pair = Pd_H + Pd_L = 87.2mW 852911AVI D IFFERENTIAL V DDO Q1 5. HSTL RIVER IRCUIT AND ) ) www.idt.com 11 ICS852911I KEW - -HSTL F TO ANOUT V OUT RL 50Ω ERMINATION REV. A AUGUST 5, 2010 ...

Page 12

... RANSISTOR OUNT The transistor count for ICS852911I is: 726 852911AVI D IFFERENTIAL R I ELIABILITY NFORMATION 28 L PLCC EAD θ θ θ θ θ by Velocity (Linear Feet per Minute 37.8°C/W www.idt.com 12 ICS852911I KEW TO - -HSTL ANOUT UFFER 200 500 31.1°C/W 28.3°C/W REV ...

Page 13

... www.idt.com 13 ICS852911I KEW - -HSTL ANOUT ...

Page 14

... Any other applications such as those requiring high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. ...

Page 15

... www.idt.com 15 ICS852911I KEW - -HSTL ANOUT REV. A AUGUST 5, 2010 -9 ...

Page 16

... San Jose, CA 95138 © 2010 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, the IDT logo, ICS and HiPerClockS are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners ...

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