PCK940L Datasheet, PDF (3/16 Pages) NXP Semiconductors – Low voltage 1 : 18 clock distribution chip

Philips Semiconductors
5. Pinning information
5.1 Pinning
PCK940L
Low voltage 1 : 18 clock distribution chip
GND1 1
GND2 2
LVCMOS_CLK 3
LVCMOS_CLKSEL 4
PECL_CLK 5
PECL_CLK 6
V_CC2 7
V_CC1 8
PCK940LBD
24 Q6
23 Q7
22 Q8
21 V_CC2
20 Q9
19 Q10
18 Q11
17 GND2
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Fig 2. Pin configuration for LQFP32
5.2 Pin description
Table 2. Pin description
Symbol
Pin
PECL_CLK
5
PECL_CLK
6
I/O
input
input
LVCMOS_CLK
3
input
LVCMOS_CLKSEL
Q0 to Q17
GND1
GND2
V_CC1
V_CC2
4
input
32, 31, 30, 28,
27, 26, 24, 23,
22, 20, 19, 18,
15, 14, 11, 10, 9
output
1, 12, 25
-
2, 17
-
8, 16, 29
-
7, 21
-
Type
LVPECL
LVPECL
LVCMOS
LVCMOS
LVCMOS
supply
supply
supply
supply
Description
reference clock input
reference clock input
(active LOW)
alternative reference clock
input
clock source select
clock outputs
output negative power supply
core negative power supply
output positive power supply
core positive power supply
PCK940L_1
Product data sheet
Rev. 01 — 4 April 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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