EP3C25F256C7N Altera, EP3C25F256C7N Datasheet - Page 206

• Manufacturer Part Number: EP3C25F256C7N
• Description: IC CYCLONE III FPGA 256-FBGA
• Manufacturer: Altera
• Series: Cyclone® IIIr

Specifications of EP3C25F256C7N

• Number Of Logic Elements/cells: 24624
• Number Of Labs/clbs: 1539
• Total Ram Bits: 608256
• Number Of I /o: 156
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 256-FBGA
• Family Name: Cyclone III
• Number Of Logic Blocks/elements: 24624
• # I/os (max): 156
• Frequency (max): 437.5MHz
• Process Technology: 65nm
• Operating Supply Voltage (typ): 1.2V
• Logic Cells: 24624
• Ram Bits: 608256
• Operating Supply Voltage (min): 1.15V
• Operating Supply Voltage (max): 1.25V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: FBGA
• For Use With: 544-2370 - KIT STARTER CYCLONE III EP3C25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -
• Lead Free Status / Rohs Status: Compliant
• Other names: Q4433068

9–46
Cyclone III Device Handbook, Volume 1
f
If a system has multiple devices that contain the same configuration data, tie all
device nCE inputs to GND and leave nCEO pins floating. All other configuration pins
(nCONFIG, nSTATUS, DCLK, DATA[7..0], and CONF_DONE) are connected to every
device in the chain. Configuration signals can require buffering to ensure signal
integrity and prevent clock skew problems. Ensure that the DCLK and DATA lines are
buffered. Devices must be of the same density and package. All devices start and
complete configuration at the same time.
Figure 9–22
family is receiving the same configuration data.
Figure 9–22. Multi-Device FPP Configuration Using an External Host When Both Devices Receive the
Same Data
Notes to
(1) The pull-up resistor must be connected to a supply that provides an acceptable input signal for all devices in the
(2) The nCEO pins of both devices are left unconnected or used as user I/O pins when configuring the same
(3) The MSEL pin settings vary for different configuration voltage standards and POR time. To connect MSEL[3..0],
(4) All I/O inputs must maintain a maximum AC voltage of 4.1 V. DATA[7..0] and DCLK must fit the maximum
You can use a single configuration chain to configure Cyclone III device family with
other Altera devices that support the FPP configuration. To ensure that all devices in
the chain complete configuration at the same time or that an error flagged by one
device starts reconfiguration in all devices, tie all the device CONF_DONE and
nSTATUS pins together.
For more information about configuring multiple Altera devices in the same
configuration chain, refer to the
volume 2 of the Configuration Handbook.
chain. V
configuration data into multiple devices.
refer to
overshoot equation outlined in
(MAX II Device or
Microprocessor)
External Host
Figure
ADDR
Chapter 9: Configuration, Design Security, and Remote System Upgrades in the Cyclone III Device Family
Table 9–7 on page
CC
Memory
must be high enough to meet the V
shows multi-device FPP configuration when both Cyclone III device
DATA[7..0]
9–22:
10 k
V CCIO (1) V CCIO (1)
9–11. Connect the MSEL pins directly to V
“Configuration and JTAG Pin I/O Requirements” on page
10 k
GND
Configuring Mixed Altera FPGA Chains
Buffers (4)
Cyclone III Device Family 1
IH
specification of the I/O on the device and the external host.
CONF_DONE
nSTATUS
nCE
DATA[7..0] (4)
nCONFIG
DCLK (4)
MSEL[3..0]
nCEO
(3)
N.C. (2)
CCA
or GND.
© December 2009 Altera Corporation
GND
Cyclone III Device Family 2
CONF_DONE
nSTATUS
nCE
DATA[7..0] (4)
nCONFIG
DCLK (4)
9–7.
MSEL[3..0]
Configuration Features
chapter in
nCEO
N.C. (2)
(3)