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Integrated Circuit Systems

ICS83056I-01 Datasheet Preview

ICS83056I-01 Datasheet

SINGLE-ENDED MULTIPLEXER

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Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS83056I-01
6-BIT, 2:1,
SINGLE-ENDED MULTIPLEXER
GENERAL DESCRIPTION
The ICS83056I-01 is a 6-bit, 2:1, Single-ended Mul-
ICS tiplexer and a member of the HiPerClockS™fam-
HiPerClockS™ ily of High Performance Clock Solutions from ICS.
The ICS83056I-01 has two selectable single-ended
clock inputs and six single-ended clock outputs.
The output has a VDDO pin which may be set at 3.3V, 2.5V, or
1.8V, making the device ideal for use in voltage translation ap-
plications. An output enable pin places the output in
www.DataSheeat4Uh.igcohmimpedance state which may be useful for testing or
debug. Possible applications include systems with up to 6 trans-
ceivers which need to be independently set for different rates.
For example, a board may have six transceivers, each of which
need to be independently configured for 1 Gigabit Ethernet or
1 Gigabit Fibre Channel rates. Another possible application may
require the ports to be independently set for FEC (Forward Er-
ror Correction) or non-FEC rates. The device operates up to
250MHz and is packaged in a 20 TSSOP.
FEATURES
• 6-bit, 2:1 single-ended multiplexer
Nominal
output
impedance:
15
(V
DDO
=3
.3V)
• Maximum output frequency: 250MHz
• Propagation delay: 2.5ns (typical)
• Input skew: 45ps (typical)
• Part-to-part skew: TBD
Additive phase jitter, RMS (12KHz - 20MHz):
0.07ps (typical)
• Operating supply modes:
VDD/VDDO
3.3V/3.3V
3.3V/2.5V
3.3V/1.8V
2.5V/2.5V
2.5V/1.8V
• -40°C to 85°C ambient operating temperature
BLOCK DIAGRAM
SEL0 Pulldown
CLK0
CLK1
Pulldown
Pulldown
0
1
SEL5 Pulldown
OE Pullup
0
1
PIN ASSIGNMENT
SEL5 1 20 SEL0
Q5 2 19 Q0
VDDO 3
1 8 VDDO
GND 4 17 GND
Q4 5 16 Q1
Q0 SEL4 6 15 SEL1
CLK1 7 14 CLK0
VDD 8
13 OE
Q3 9 12 Q2
SEL3 10 11 SEL2
ICS83056I-01
20-Lead TSSOP
Q5 6.5mm x 4.4mm x 0.92mm package body
G Package
Top View
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
83056AGI-01
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 7, 2005
1




Integrated Circuit Systems

ICS83056I-01 Datasheet Preview

ICS83056I-01 Datasheet

SINGLE-ENDED MULTIPLEXER

No Preview Available !

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS83056I-01
6-BIT, 2:1,
SINGLE-ENDED MULTIPLEXER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 6
10, 11
15, 20
2, 5, 9,
12, 16, 19
SEL5, SEL4,
SEL3, SEL2,
SEL1, SEL0
Q5, Q4, Q3,
Q2, Q1, Q0
Input
Pulldown
Clock select input. See Control Input Function Table.
LVCMOS / LVTTL interface levels.
Output
Single-ended clock output. LVCMOS/LVTTL interface levels.
3, 18
www.DataSheet4U.co4m, 17
VDDO
GND
Power
Power
Output supply pin.
Power supply ground.
7, 14
CLK1, CLK0 Input Pulldown Single-ended clock inputs. LVCMOS/LVTTL interface levels.
8
VDD Power
Core supply pin.
13
OE
Input
Pullup
Output enable. When LOW, outputs are in HIGH impedance state.
When HIGH, outputs are active. LVCMOS / LVTTL 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
CPD
ROUT
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Power Dissipation Capacitance
(per output)
Output Impedance
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
K
K
11 pF
15
TABLE 3. CONTROL INPUT FUNCTION TABLE
SEL5
0
0
0
1
1
1
SEL4
0
0
0
1
1
1
Control Inputs
SEL3 SEL2
00
00
00
11
11
11
SEL1
0
0
1
0
1
1
SEL0
0
1
0
1
0
1
Q5
CLK0
CLK0
CLK0
CLK1
CLK1
CLK1
Q4
CLK0
CLK0
CLK0
CLK1
CLK1
CLK1
Outputs
Q3 Q2
CLK0 CLK0
CLK0 CLK0
CLK0 CLK0
CLK1 CLK1
CLK1 CLK1
CLK1 CLK1
Q1
CLK0
CLK0
CLK1
CLK0
CLK1
CLK1
Q0
CLK0
CLK1
CLK0
CLK1
CLK0
CLK1
83056AGI-01
www.icst.com/products/hiperclocks.html
2
REV. A FEBRUARY 7, 2005


Part Number ICS83056I-01
Description SINGLE-ENDED MULTIPLEXER
Maker Integrated Circuit Systems
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ICS83056I-01 Datasheet PDF






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2 ICS83056I-01 SINGLE-ENDED MULTIPLEXER
Integrated Circuit Systems





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