
PRELIMINARY
CY28344
Document #: 38-07113, Rev. *A
Page 20 of 22
Test Circuit
Ordering Information
Ordering Code
Package Type
Operating Range
CY28344PVC
48-pin Small Shrunk Outline Package (SSOP)
Commercial
Note: All capacitors must be placed as close to the pins as is physically possible.
4, 8, 14, 19, 25, 29, 32, 36, 42
VDD_REF, VDD_PCI,
OUTPUTS
Note: Each supply pin must have an individual decoupling capacitor.
VDD_3V66, VDD_CORE
VDD_48 MHz, VDD_CPU
Test
Nodes
Rs
Rs
Rp
Rp
CPU
Ref,USB Outputs
PCI,3V66 Outputs
30 pF
20 pF
Test Node
Test Node
7, 13, 18, 24, 30, 33, 41, 45
0.7V amplitude: RS = 33 ohm, RP = 50 ohm
0.7V Test Load
2pF
2pF
4, 8, 14, 19, 25, 29, 32, 36, 42
VDD_REF, VDD_PCI,
OUTPUTS
VDD_3V66, VDD_CORE
VDD_48 MHz, VDD_CPU
Test
Nodes
CPU
Ref,USB Outputs
PCI,3V66 Outputs
30 pF
20 pF
Test Node
Test Node
7, 13, 18, 24, 30, 33, 41, 45
1.0V Test Load
2pF
2pF
33
33
63.4
63.4
475
1.0V Amplitude