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NXP Semiconductors Electronic Components Datasheet

PCK9456 Datasheet

2.5 V and 3.3 V LVCMOS clock fan-out buffer

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PCK9456
2.5 V and 3.3 V LVCMOS clock fan-out buffer
Rev. 01 — 31 July 2006
Product data sheet
1. General description
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2. Features
The PCK9456 is a 2.5 V and 3.3 V compatible 1 : 10 clock distribution buffer designed for
low voltage mid-range to high-performance telecommunications, networking and
computing applications. Both 3.3 V, 2.5 V and dual supply voltages are supported for
mixed voltage applications. The PCK9456 offers 10 low-skew outputs and a differential
LVPECL clock input. The outputs are configurable and support 1 : 1 and 1 : 2 output to
input frequency ratios. The PCK9456 is specified for the extended temperature range of
40 °C to +85 °C.
I Configurable 10 outputs LVCMOS clock distribution buffer
I Compatible to single, dual and mixed 3.3 V/2.5 V voltage supply
I Wide range output clock frequency up to 250 MHz
I Designed for mid-range to high performance telecommunications, networking and
computer applications
I Supports high performance differential clocking applications
I Maximum output skew of 200 ps (150 ps within one bank)
I Selectable output configurations per output bank
I 3-stateable outputs
I Available in LQFP32 package
I Ambient operating temperature of 40 °C to +85 °C
3. Ordering information
Table 1. Ordering information
Type number Package
Name Description
PCK9456BD
LQFP32 plastic low profile quad flat package; 32 leads;
body 7 × 7 × 1.4 mm
Version
SOT358-1


NXP Semiconductors Electronic Components Datasheet

PCK9456 Datasheet

2.5 V and 3.3 V LVCMOS clock fan-out buffer

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Philips Semiconductors
4. Functional diagram
PCK9456
2.5 V and 3.3 V LVCMOS clock fan-out buffer
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PCLK
PCLK
PCK9456
25 k
25 k
0.5VCC
CLK
CLK ÷ 2
FSELA
FSELB
FSELC
MR/OE
25 k
25 k
25 k
25 k
Fig 1. Functional diagram of PCK9456
bank A
0
1
bank B
0
1
bank C
0
1
QA0
QA1
QA2
QB0
QB1
QB2
QC0
QC1
QC2
QC3
002aab862
PCK9456_1
Product data sheet
Rev. 01 — 31 July 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
2 of 18


Part Number PCK9456
Description 2.5 V and 3.3 V LVCMOS clock fan-out buffer
Maker NXP
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PCK9456 Datasheet PDF






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1 PCK9456 2.5 V and 3.3 V LVCMOS clock fan-out buffer
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