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PCK940L Datasheet(PDF) 3 Page - NXP Semiconductors

No. de Pieza. PCK940L
Descripción  Low voltage 1 : 18 clock distribution chip
Descarga  16 Pages
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Fabricante  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
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PCK940L Datasheet(HTML) 3 Page - NXP Semiconductors

 
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PCK940L_1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 4 April 2006
3 of 16
Philips Semiconductors
PCK940L
Low voltage 1 : 18 clock distribution chip
5.
Pinning information
5.1 Pinning
5.2 Pin description
Fig 2.
Pin configuration for LQFP32
PCK940LBD
GND1
Q6
GND2
Q7
LVCMOS_CLK
Q8
LVCMOS_CLKSEL
VCC2
PECL_CLK
Q9
PECL_CLK
Q10
VCC2
Q11
VCC1
GND2
002aab888
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
Table 2.
Pin description
Symbol
Pin
I/O
Type
Description
PECL_CLK
5
input
LVPECL
reference clock input
PECL_CLK
6
input
LVPECL
reference clock input
(active LOW)
LVCMOS_CLK
3
input
LVCMOS
alternative reference clock
input
LVCMOS_CLKSEL
4
input
LVCMOS
clock source select
Q0 to Q17
32, 31, 30, 28,
27, 26, 24, 23,
22, 20, 19, 18,
15, 14, 11, 10, 9
output
LVCMOS
clock outputs
GND1
1, 12, 25
-
supply
output negative power supply
GND2
2, 17
-
supply
core negative power supply
VCC1
8, 16, 29
-
supply
output positive power supply
VCC2
7, 21
-
supply
core positive power supply


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