CY28317ZC-2T SPECTRALINEAR [SpectraLinear Inc], CY28317ZC-2T Datasheet - Page 3

• Manufacturer Part Number: CY28317ZC-2T
• Manufacturer: SPECTRALINEAR [SpectraLinear Inc]

Rev 1.0, November 25, 2006
Pin Definitions
Table 1. Swing Select Functions
VDD_REF,
VDD_PCI,
VDD_SDRAM,
VDD_48MHz
VDD_CPU_3.3
VDD_CPU_2.5
GND_REF,
GND_PCI,
GND_SDRAM,
GND_48MHz,
GND_CPU
Pin Name
Mult0
0
1
5, 9, 28, 29,
1, 6, 12, 23,
(continued)
32, 38, 42
Pin No.
35, 45
46
Board Target
Trace/Term Z
Pin Type
60
50
G
P
P
Power Connection: Power supply for core logic, PLL circuitry, SDRAM outputs,
PCI outputs, reference outputs, 48-MHz output, and 24_48-MHz output.
Connect to 3.3V supply.
Power Connection: Power supply for CPU outputs. Connect to 2.5V supply.
Ground Connections: Connect all ground pins to the common system ground
plane.
Reference R, IREF=
IREF = 5.00 mA
IREF = 2.32 mA
Rr = 221 1%
Rr = 475 1%
VDD/(3*Rr)
Pin Description
Output Current
I
I
OH
OH
= 4*IREF
= 6*IREF
CY28317-2
1.0V @ 50
0.7V @ 50
V
Page 3 of 20
OH
@ Z