HC4GX15 Datasheet, PDF (155/668 Pages) Altera Corporation – HardCopy IV Device Handbook

Chapter 11: Power Supply and Temperature Sensing Diode in HardCopy IV Devices
Supporting HardCopy IV and Stratix IV Power Supplies
Figure 11–2. HardCopy IV GX Power Management Example (Data Rates <= 4.25 Gbps) (Note 1), (2)
. DC Input Board Supply
.
Switcher
. ^0.9V
VCC
VCCHIP
Filter
VCCD_PLL
Switcher
VCCIO
.^2.5V
VCCPD
VCCPGM
VCC_CLKIN
.
Linear or Switcher ^1.1V
VCCR_L/R
VCCT_L/R
VCCL_GXB_L/R
Linear or Switcher ^1.5V VCCH_GXB_L/R
11–5
Linear or
.^2.5V
Switcher
.
VCCA_L/R
Filter
VCCAUX
Filter
VCCA_PLL
Notes to Figure 11–2:
(1) These guidelines are preliminary and are pending characterization.
(2) For best performance, Altera recommends keeping these rails isolated from each other.
© January 2010 Altera Corporation
HardCopy IV Device Handbook, Volume 1