ICS8344BYLF IDT, Integrated Device Technology Inc, ICS8344BYLF Datasheet

IC FANOUT BUFFER 1:24 48-LQFP

ICS8344BYLF

Manufacturer Part Number
ICS8344BYLF
Description
IC FANOUT BUFFER 1:24 48-LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Series
HiPerClockS™r
Type
Fanout Buffer (Distribution), Multiplexerr
Datasheet

Specifications of ICS8344BYLF

Number Of Circuits
1
Ratio - Input:output
2:24
Differential - Input:output
Yes/No
Input
HCSL, LVDS, LVHSTL, LVPECL, SSTL
Output
LVCMOS
Frequency - Max
167MHz
Voltage - Supply
2.375 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Frequency-max
167MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-1113
8344BYLF

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ICS8344BYLF
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Part Number:
ICS8344BYLFT
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
IDT™ / ICS™ LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS
FANOUT BUFFER
B
8344BY
G
levels. The low impedance LVCMOS outputs are designed to
drive 50 series or parallel terminated transmission lines. The
effective fanout can be increased to 48 by utilizing the ability of
the outputs to drive two series terminated lines. Redundant clock
applications can make use of the dual clock input. The dual clock
inputs also facilitate board level testing. ICS8344 is character-
ized 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 ICS8344 ideal for those clock distribution applica-
tions demanding well defined performance and repeatability.
HiPerClockS™
,&6
LOCK
ENERAL
CLK_SEL
nCLK0
nCLK1
CLK0
CLK1
OE1
OE2
OE3
The ICS8344 is a low voltage, low skew, 1-to-24
Differential-to-LVCMOS Fanout Buffer and a mem-
ber of the HiPerClockS™ family of High Performance
Clock Solutions from ICS. The ICS8344 is designed
to translate any differential signal levels to LVCMOS
D
IAGRAM
D
ESCRIPTION
0
1
www.icst.com/products/hiperclocks.html
Q0 - Q7
O8 - Q15
O16 - Q23
1
1
D
F
P
IFFERENTIAL
24 LVCMOS outputs, 7 typical output impedance
Selectable differential clock input pairs for redundant
clock applications
CLKx, nCLKx pairs can accept the following differential
input levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL
Maximum output frequency: 167MHz
Translates any differential input signal (LVPECL, LVHSTL,
LVDS) to LVCMOS without external bias networks
Translates any single-ended input signal to LVCMOS
with resistor bias on nCLK input
Multiple output enable pins for disabling unused outputs
in reduced fanout applications
Output skew: 275ps (maximum)
Part-to-part skew: 600ps (maximum)
Bank skew: 150ps (maximum)
Propagation Delay: 4.3ns (maximum)
3.3V, 2.5V or mixed 3.3V, 2.5V operating supply modes
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
EATURES
IN
A
GND
GND
V
V
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
DDO
DDO
SSIGNMENT
7mm x 7mm x 1.4mm package body
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
-
TO
-LVCMOS F
48-Lead LQFP
ICS8344
Y Package
Top View
L
OW
S
REV. A FEBRUARY 19, 2002
ANOUT
KEW
ICS8344
36
35
34
33
32
31
30
29
28
27
26
25
DATA SHEET
, 1-
Q7
Q6
V
GND
Q5
Q4
Q3
Q2
V
GND
Q1
Q0
B
DDO
DDO
TO
UFFER
ICS8344
-24
ICS8344

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ICS8344BYLF Summary of contents

Page 1

LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER G D ENERAL ESCRIPTION The ICS8344 is a low voltage, low skew, 1-to-24 ,&6 Differential-to-LVCMOS Fanout Buffer and a mem- HiPerClockS™ ber of the HiPerClockS™ family of High Performance Clock Solutions from ICS. The ...

Page 2

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER ABLE IN ESCRIPTIONS ...

Page 3

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 3A ABLE UTPUT NABLE UNCTION ...

Page 4

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER BSOLUTE AXIMUM ATINGS Supply Voltage, V DDx Inputs Outputs Package Thermal Impedance, Storage Temperature, T STG Stresses beyond those listed under Absolute Maximum Ratings may cause ...

Page 5

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 5A ABLE HARACTERISTICS ...

Page 6

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 4D ABLE OWER UPPLY ...

Page 7

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 5B ABLE HARACTERISTICS ...

Page 8

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 4G ABLE OWER UPPLY ...

Page 9

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER T 5C ABLE HARACTERISTICS ...

Page 10

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER P ARAMETER 1.65V±5% V DD, V DDO LVCMOS GND -1.65V±5% 2.05V±5% 1.25V± DDO LVCMOS GND -1.25V±5% 8344BY IDT™ / ICS™ LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER D IFFERENTIAL M I ...

Page 11

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER 1.25V± DDO LVCMOS GND -1.25V±5% nCLK0, nCLK1 CLK0, CLK1 Qx Qy 8344BY IDT™ / ICS™ LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER D IFFERENTIAL 2. UTPUT OAD EST ...

Page 12

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER PART 1 Qx PART 2 Qy 30% Clock Inputs and Outputs nCLK0, nCLK1 CLK0, CLK1 Q0:Q23 Q0:Q23 8344BY IDT™ / ICS™ LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER D IFFERENTIAL V DDO 2 V ...

Page 13

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER W IRING THE 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. ...

Page 14

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER ABLE VS IR LOW ABLE Single-Layer PCB, JEDEC Standard Test Boards Multi-Layer PCB, JEDEC Standard Test Boards NOTE: For 48-pin LQFP T C RANSISTOR OUNT The transistor ...

Page 15

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER ACKAGE UTLINE UFFIX T ABLE S Reference Document: JEDEC Publication 95, MS-026 8344BY IDT™ / ICS™ LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER D IFFERENTIAL ACKAGE ...

Page 16

ICS8344 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER ABLE RDERING NFORMATION ...

Page 17

ICS1527 ICS1890 ICS8344 MK1491-14 ICS280 LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER OPTi ACPI Firestar Clock Source Video Clock Synthesizer Auto-Negotiation Advertisement Register (register 4 [0x04]) TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER Innovate with IDT and accelerate your future ...

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