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Integrated Circuit Systems
Integrated Circuit Systems

ICS5314I-01 Datasheet Preview

ICS5314I-01 Datasheet

DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER

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ICS5314I-01 pdf
www.DataSheet4U.com Integrated
Circuit
Systems, Inc.
ICS85314I-01
LOW SKEW, 1-TO-5
DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER
GENERAL DESCRIPTION
FEATURES
The ICS85314I-01 is a low skew, high perfor- 5 differential 2.5V/3.3V LVPECL outputs
ICS
HiPerClockS™
mance 1-to-5 Differential-to-2.5V/3.3V LVPECL
Fanout Buffer and a member of the HiPerClockS™
Selectable differential CLK0, nCLK0 or LVCMOS inputs
family of High Performance Clock Solutions from CLK0, nCLK0 pair can accept the following differential
ICS. The ICS85314I-01 has two selectable clock input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL
inputs. The CLK0, nCLK0 pair can accept most standard
differential input levels. The single-ended CLK1 can accept
LVCMOS or LVTTL input levels. The clock enable is internally
synchronized to eliminate runt clock pulses on the outputs
CLK1 can accept the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 700MHz
during asynchronous assertion/deassertion of the clock Translates any single-ended input signal to 3.3V
enable pin.
LVPECL levels with resistor bias on nCLK input
Guaranteed output and part-to-part skew characteristics
make the ICS85314I-01 ideal for those applications demand-
ing well defined performance and repeatability.
Output skew: 30ps (maximum), TSSOP package
50ps (maximum), SOIC package
Part-to-part skew: 350ps (maximum)
Propagation delay: 1.8ns (maximum)
RMS phase jitter @ 155.52MHz (12kHz - 20MHz):
0.05ps (typical)
LVPECL mode operating voltage supply range:
V = 2.375V to 3.8V, V = 0V
CC EE
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
BLOCK DIAGRAM
nCLK_EN
CLK0
nCLK0
CLK1
CLK_SEL
00
11
D
Q
LE
PIN ASSIGNMENT
Q0 1
20 VCC
nQ0 2
19 nCLK_EN
Q1 3
18 VCC
nQ1 4
17 nc
Q0
Q2 5
16 CLK1
nQ0
nQ2 6
15 CLK0
Q1
nQ1
Q3 7
nQ3 8
Q4 9
14 nCLK0
13 nc
12 CLK_SEL
Q2 nQ4 10 11 VEE
nQ2
ICS85314I-01
Q3 20-Lead TSSOP
nQ3 6.5mm x 4.4mm x 0.92mm Package Body
Q4 G Package
nQ4 Top View
ICS85314I-01
20-Lead SOIC
7.5mm x 12.8mm x 2.3mm Package Body
M Package
Top View
85314BGI-01
www.icst.com/products/hiperclocks.html
1
REV. E SEPTEMBER 23, 2005



Integrated Circuit Systems
Integrated Circuit Systems

ICS5314I-01 Datasheet Preview

ICS5314I-01 Datasheet

DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER

No Preview Available !

ICS5314I-01 pdf
www.DataSheet4U.com Integrated
Circuit
Systems, Inc.
ICS85314I-01
LOW SKEW, 1-TO-5
DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 2
Q0, nQ0
Output
Differential output pair. LVPECL interface levels.
3, 4 Q1, nQ1 Output
Differential output pair. LVPECL interface levels.
5, 6
Q2, nQ2
Output
Differential output pair. LVPECL interface levels.
7, 8
Q3, nQ3
Output
Differential output pair. LVPECL interface levels.
9, 10
Q4, nQ4
Output
Differential output pair. LVPECL interface levels.
11 VEE Power
Negative supply pin.
Clock select input. When HIGH, selects CLK1 input.
12
CLK_SEL
Input Pulldown When LOW, selects CLK0, nCLK0 inputs.
LVTTL / LVCMOS interface levels.
13, 17
nc Unused
No connect.
14
nCLK0
Input Pullup Inverting differential clock input.
15
CLK0
Input Pulldown Non-inverting differential clock input.
16
CLK1
Input Pulldown Clock input. LVTTL / LVCMOS interface levels.
18, 20
19
VCC
nCLK_EN
Power
Input
Positive supply pins.
Synchronizing clock enable. When LOW, clock outputs follow clock
Pulldown input. When HIGH, Q outputs are forced low, nQ outputs are forced
high. LVTTL / LVCMOS interface levels.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
CIN
RPULLUP
RPULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
kΩ
kΩ
85314BGI-01
www.icst.com/products/hiperclocks.html
2
REV. E SEPTEMBER 23, 2005


Part Number ICS5314I-01
Description DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER
Maker Integrated Circuit Systems
Total Page 19 Pages
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