ICS83940AY-02T IDT, Integrated Device Technology Inc, ICS83940AY-02T Datasheet

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ICS83940AY-02T

Manufacturer Part Number
ICS83940AY-02T
Description
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Driverr
Datasheet

Specifications of ICS83940AY-02T

Number Of Clock Inputs
2
Output Frequency
200MHz
Output Logic Level
LVCMOS/LVTTL
Operating Supply Voltage (min)
2.375V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.465V
Package Type
LQFP
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
32
Lead Free Status / RoHS Status
Not Compliant
G
The ICS83940-02 is a low skew, 1-to-18 Fanout Buffer . The
83940-02 has two selectable clock inputs. The CLK0,
nCLK0 pair can accept most standard differential input
levels. The single ended clock input accepts LVCMOS or
LVTTL input levels. The low impedance LVCMOS/LVTTL
outputs are designed to drive 50Ω series or parallel
terminated transmission lines. The effective fanout can be
increased from 18 to 36 by utilizing the ability of the
outputs to drive two series terminated lines.
The ICS83940-02 is characterized at full 3.3V, full 2.5V and
mixed 3.3V input and 2.5V output operating supply modes.
Guaranteed output and part-to-part skew characteristics
make the ICS83940 ideal for those clock distribution
applications demanding well defined performance and
repeatability.
B
83940AY-02
LVCMOS_CLK
LOCK
ENERAL
CLK_SEL
nCLK0
CLK0
D
IAGRAM
D
ESCRIPTION
0
1
D
Q0:Q17
IFFERENTIAL
www.idt.com
1
P
LVCMOS_CLK
F
• 18 LVCMOS/LVTTL outputs, 7Ω typical output impedance
• Selectable LVCMOS_Clock or CLK0, nCLK0 input pair
• LVCMOS_CLK supports the following input types:
• CLK0, nCLK0 pair can accept the following differential
• Maximum output frequency: 200MHz
• Output skew: 120ps (maximum)
• Part-to-part skew: 850ps (maximum)
• Output supply modes:
• 0°C to 70°C ambient operating temperature
• Industrial temperature information available upon request
IN
LVCMOS or LVTTL
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
EATURES
CLK_SEL
-
A
TO
GND
GND
nCLK
V
CLK
V
DDO
SSIGNMENT
DD
-LVCMOS/LVTTL F
7mm x 7mm x 1.4mm package body
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
ICS83940-02
32-Lead LQFP
Y Pacakge
Top View
L
ICS83940-02
OW
S
ANOUT
KEW
24
23
22
21
20
19
18
17
REV. A AUGUST 4, 2010
, 1-
Q6
Q7
Q8
V
Q9
Q10
Q11
GND
DDO
B
TO
UFFER
-18

Related parts for ICS83940AY-02T

ICS83940AY-02T Summary of contents

Page 1

G D ENERAL ESCRIPTION The ICS83940- low skew, 1-to-18 Fanout Buffer . The 83940-02 has two selectable clock inputs. The CLK0, nCLK0 pair can accept most standard differential input levels. The single ended clock input accepts LVCMOS or ...

Page 2

ABLE IN ESCRIPTIONS ...

Page 3

BSOLUTE AXIMUM ATINGS Supply Voltage Inputs, V -0. Outputs, V -0. Package Thermal Impedance, θ JA Storage Temperature, T -65°C to 150°C STG T 4A ...

Page 4

T 4C ABLE IFFERENTIAL HARACTERISTICS ...

Page 5

T 5B 3.3V±5%; V ABLE HARACTERISTICS ...

Page 6

P ARAMETER 1.65V± DDO LVCMOS GND -1.65V±5% 3.3V C /3. ORE UTPUT OAD 2.05V±5% 1.25V± DDO LVCMOS GND -1.25V±5% 3.3V C /2. ORE UTPUT OAD ...

Page 7

Clock t Outputs UTPUT ISE ALL IME V DDO 2 Q0:Q17 Pulse Width t PERIOD t PW odc = t PERIOD UTPUT UTY YCLE ULSE IDTH 83940AY-02 ...

Page 8

IRING THE IFFERENTIAL NPUT TO Figure 1 shows how the differential input can be wired to accept single ended levels. The reference voltage V_REF = V generated by the bias resistors R1, R2 and C1. This bias ...

Page 9

IFFERENTIAL LOCK NPUT NTERFACE The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and other differential signals. Both V SWING the V and V input requirements. Figures show PP CMR interface examples for ...

Page 10

PPLICATION CHEMATIC XAMPLE Figure 3 shows an example of ICS83940-02 application sche- matic. In this example, the device is operated at V decoupling capacitor should be located as close as possible to the power pin. The differential ...

Page 11

ABLE VS IR LOW ABLE FOR JA Single-Layer PCB, JEDEC Standard Test Boards Multi-Layer PCB, JEDEC Standard Test Boards NOTE: Most modern PCB designs use multi-layered boards. The data in the second row ...

Page 12

ACKAGE UTLINE UFFIX FOR ABLE ACKAGE ...

Page 13

ABLE RDERING NFORMATION ...

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...

Page 15

We’ve Got Your Timing Solution. 6024 Silver Creek Valley Road 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 ...

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