EP1SGX10DF672C6N Altera, EP1SGX10DF672C6N Datasheet - Page 178
![IC STRATIX GX FPGA 10KLE 672FBGA](/photos/6/72/67292/544-672-fbga_sml.jpg)
EP1SGX10DF672C6N
Manufacturer Part Number
EP1SGX10DF672C6N
Description
IC STRATIX GX FPGA 10KLE 672FBGA
Manufacturer
Altera
Series
Stratix® GXr
Datasheet
1.EP1SGX10CF672C7N.pdf
(272 pages)
Specifications of EP1SGX10DF672C6N
Number Of Logic Elements/cells
10570
Number Of Labs/clbs
1057
Total Ram Bits
920448
Number Of I /o
362
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
672-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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I/O Structure
4–112
Stratix GX Device Handbook, Volume 1
Slew-Rate Control
The output buffer for each Stratix GX device I/O pin has a programmable
output slew-rate control that can be configured for low-noise or high-
speed performance. A faster slew rate provides high-speed transitions for
high-performance systems. However, these fast transitions may
introduce noise transients into the system. A slow slew rate reduces
system noise, but adds a nominal delay to rising and falling edges. Each
I/O pin has an individual slew-rate control, allowing you to specify the
slew rate on a pin-by-pin basis. The slew-rate control affects both the
rising and falling edges.
Bus Hold
Each Stratix GX device I/O pin provides an optional bus-hold feature.
The bus-hold circuitry can weakly hold the signal on an I/O pin at its last-
driven state. Since the bus-hold feature holds the last-driven state of the
pin until the next input signal is present, an external pull-up or pull-down
resistor is not needed to hold a signal level when the bus is tri-stated.
Table 4–25
The bus-hold circuitry also pulls undriven pins away from the input
threshold voltage where noise can cause unintended high-frequency
switching. You can select this feature individually for each I/O pin. The
bus-hold output drives no higher than V
signals. If the bus-hold feature is enabled, the programmable pull-up
option cannot be used. Disable the bus-hold feature when using open-
drain outputs with the GTL+ I/O standard or when the I/O pin has been
configured for differential signals.
I/O pins
CLK[15..0]
CLK[0,1,2,3,8,9,10,11]
FCLK
FPLL[7..10]CLK
Table 4–25. Bus Hold Support
shows bus hold support for different pin types.
Pin Type
CCIO
to prevent overdriving
Bus Hold
v
v
Altera Corporation
February 2005
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