Electrical Characteristics
Page 5
Table 3. Recommended Operating Conditions for Cyclone V Devices (Part 2 of 2)
Symbol
Description
Power supply ramp time
Condition
Standard POR
Fast POR
Minimum Typical Maximum Unit
200 µs
200 µs
—
—
100 ms
4 ms
—
—
(4)
tRAMP
Notes to Table 3:
(1) VCCPD must be 2.5 V when VCCIO is 2.5, 1.8, 1.5, 1.35, 1.25 or 1.2 V. VCCPD must be 3.0 V when VCCIO is 3.0 V. VCCPD must be 3.3 V when VCCIO
is 3.3 V.
(2) PLL digital voltage is regulated from VCCA_FPLL
.
(3) If you do not use the design security feature in Cyclone V devices, connect VCCBAT to a 1.5-V, 2.5-V, or 3.0-V power supply. The power-on reset
(POR) circuitry monitors VCCBAT. Cyclone V devices do not exit POR if VCCBAT is not powered up.
(4) This is also applicable to HPS power supply. For HPS power supply, refer to tRAMP specifications for standard POR when HPS_PORSEL = 0 and
tRAMP specifications for fast POR when HPS_PORSEL = 1.
Table 4 lists the transceiver power supply recommended operating conditions for
Cyclone V GX, GT, SX, and ST devices.
Table 4. Transceiver Power Supply Operating Conditions for Cyclone V GX, GT, SX, and ST Devices
Symbol
VCCH_GXBL
Description
Minimum
2.375
Typical
2.5
Maximum
2.625
Unit
V
Transceiver high voltage power (left side)
Transmitter and receiver power (left side)
Clock network power (left side)
(1), (2)
VCCE_GXBL
VCCL_GXBL
1.07/1.17
1.07/1.17
1.1/1.2
1.1/1.2
1.13/1.23
1.13/1.23
V
(1), (2)
V
Notes to Table 4:
(1) Altera recommends increasing the VCCE_GXBL and VCCL_GXBL typical value from 1.1 V to 1.2 V for Cyclone V GT FPGA systems which require full
compliance to the PCIe Gen2 transmit jitter specification. For more information about the maximum full duplex channels recommended in
Cyclone V GT and ST devices under this condition, refer to the Transceiver Protocol Configurations in Cyclone V Devices chapter.
(2) Altera recommends increasing the VCCE_GXBL and VCCL_GXBL typical value from 1.1 V to 1.2 V for full compliance to CPRI transmit jitter
specification at 4.9152 Gbps (Cyclone V GT and ST devices) and 6.144Gbps (Cyclone V GT devices only). For more information about the
maximum full duplex channels recommended in Cyclone V GT devices for CPRI 6.144 Gbps, refer to the Transceiver Protocol Configurations
in Cyclone V Devices chapter.
Table 5 lists the steady-state voltage values expected from Cyclone V
system-on-a-chip (SoC) devices with ARM®-based hard processor system (HPS).
Power supply ramps must all be strictly monotonic, without plateaus.
Table 5. HPS Power Supply Operating Conditions for Cyclone V SE, SX, and ST Devices (1) (Part 1 of 2)
Symbol
VCC_HPS
Description
Minimum
Typical
Maximum
Unit
HPS core voltage and periphery circuitry power
supply
1.07
1.1
1.13
V
HPS I/O pre-driver (3.3 V) power supply
HPS I/O pre-driver (3.0 V) power supply
HPS I/O pre-driver (2.5 V) power supply
HPS I/O buffers (3.3 V) power supply
HPS I/O buffers (3.0 V) power supply
HPS I/O buffers (2.5 V) power supply
HPS I/O buffers (1.8 V) power supply
HPS I/O buffers (1.5 V) power supply
3.135
2.85
3.3
3.0
2.5
3.3
3.0
2.5
1.8
1.5
1.35
1.2
3.465
3.15
V
V
V
V
V
V
V
V
V
V
(2)
VCCPD_HPS
2.375
3.135
2.85
2.625
3.465
3.15
2.375
1.71
2.625
1.89
VCCIO_HPS
1.425
1.283
1.14
1.575
1.418
1.26
(3)
HPS I/O buffers (1.35 V) power supply
HPS I/O buffers (1.2 V) power supply
December 2013 Altera Corporation
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