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Número de pieza | PI6C49014 | |
Descripción | Networking Clock Generator | |
Fabricantes | Pericom Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de PI6C49014 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
No Preview Available ! PI6C49014
Networking Clock Generator
Features
• 3.3V ±10% Supply Voltage
• Uses 25MHz Crystal or 25MHz reference input
• One 200MHz selectable HCSL output with spread – default is
spread off
• Two 25MHz LVCMOS outputs
• One 32.256MHz LVCMOS output
• Industrial temperature -40°C to 85°C
• Package: 28pin TSSOP (L)
Applications
• Networking systems
• Embedded systems
Description
The PI6C49014 is a high performance networking clock
generator which generates 200MHz HCSL clock signal along
with two LVCMOS 25MHz and 32.256MHz clocks from either
25MHz crystal or reference input. This integrated solution is ideal
for Networking and Embedded systems that require multiple
frequencies yet small foot print.
Block Diagram
25 MHz
crystal or
clock input
Clock Buffer/
Crystal
Oscillator
SCLK
SDATA
PD_RESET
PLL, Dividers,
Buffers, and
Logic
11-0146
200M_OUT
2
25M_OUT(1-2)
32.256M_OUT
Pin Configuration
GNDO_200M
IREF
NC
NC
SCLK
SDATA
GND_25M
25M_Out1
25M_Out2
VDDO_25M
GND_32M
VDDO_32M
32.256M_Out
GND_XTAL
O
1
200M_Q+
200M_Q-
NC
NC
VDDO_200M
VDD_200M
GND_200M
NC
VDD_D
GND_D
VDD_XTAL
X2
X1
PDRESET
02/16/2012
1 page Byte 4: Control Register
Bit Description
7 to 0 Reserved
Byte 5: Control Register
Bit Description
7 Revision ID bit 3
6 Revision ID bit 2
5 Revision ID bit 1
4 Revision ID bit 0
3 Vendor ID bit 3
2 Vendor ID bit 2
1 Vendor ID bit 1
0 Vendor ID bit 0
PI6C49014
Networking Clock Generator
Type
R
Power Up Condi-
tion
Output(s) Affected
Undefined
Not Applicable
Notes
Type
R
R
R
R
R
R
R
R
Power Up Condi-
tion
Output(s) Affected
0 Not Applicable
0 Not Applicable
0 Not Applicable
0 Not Applicable
0 Not Applicable
0 Not Applicable
1 Not Applicable
1 Not Applicable
Notes
Byte 6: Control Register
Bit Description
7 to 0 Reserved
Type
R
Power Up Condi-
tion
Output(s) Affected
Undefined
Not Applicable
Notes
11-0146
5
02/16/2012
5 Page Configuration test load board termination for LVCMOS Outputs
3.3V ±10%
3.3V ±10%
VDD
10Ω
VDDO
GND
PI6C49014
Networking Clock Generator
15pF
Figure 5. LVCMOS Test Load Board Termination
11-0146
11
02/16/2012
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet PI6C49014.PDF ] |
Número de pieza | Descripción | Fabricantes |
PI6C49014 | Networking Clock Generator | Pericom Semiconductor |
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PI6C49016 | Low Power Networking Clock Generator | Pericom Semiconductor |
PI6C49018 | Low Power Networking Clock Generator | Pericom Semiconductor |
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