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PCK9448 датащи(PDF) 3 Page - NXP Semiconductors

номер детали PCK9448
подробное описание детали  3.3 V/2.5 V LVCMOS 1 : 12 clock fan-out buffer
PDF  20 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCK9448 датащи(HTML) 3 Page - NXP Semiconductors

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9397 750 12534
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 29 November 2005
3 of 20
Philips Semiconductors
PCK9448
3.3 V/2.5 V LVCMOS 1 : 12 clock fan-out buffer
5.
Pinning information
5.1 Pinning
5.2 Pin description
Fig 2.
Pin configuration for LQFP32
PCK9448BD
CLK_SEL
GND
CCLK
Q4
PCLK
VCC
PCLK
Q5
CLK_STOP
GND
OE
Q6
VCC
VCC
GND
Q7
002aaa721
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
Table 2:
Pin description
Symbol
Pin
Type
Description
CLK_SEL
1
I
clock input select
CCLK
2
I
alternative clock signal input
PCLK
3
I
clock signal input
PCLK
4
I
clock signal input, active LOW
CLK_STOP
5
I
clock output enable/disable, active LOW
OE
6
I
output enable/disable (high-impedance, 3-state)
Q0 to Q11
31, 29, 27,
25, 23, 21,
19, 17, 15,
13, 11, 9
O
clock outputs
GND
8, 12, 16,
20, 24, 28,
32
ground
negative power supply (GND)
VCC
7, 10, 14,
18, 22, 26,
30
power
Positive power supply for I/O and core. All VCC pins must be
connected to the positive power supply for correct operation.



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