ep1c6t144i8es Altera Corporation, ep1c6t144i8es Datasheet - Page 44
ep1c6t144i8es
Manufacturer Part Number
ep1c6t144i8es
Description
Cyclone Fpga Family
Manufacturer
Altera Corporation
Datasheet
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Cyclone FPGA Family Data Sheet
I/O Structure
44
IOEs support many features, including:
Cyclone device IOEs contain a bidirectional I/O buffer and three registers
for complete embedded bidirectional single data rate transfer.
shows the Cyclone IOE structure. The IOE contains one input register, one
output register, and one output enable register. The designer can use the
input registers for fast setup times and output registers for fast clock-to-
output times. Additionally, the designer can use the output enable (OE)
register for fast clock-to-output enable timing. The Quartus II software
automatically duplicates a single OE register that controls multiple output
or bidirectional pins. IOEs can be used as input, output, or bidirectional
pins.
Differential and single-ended I/O standards
3.3-V, 32-bit, 66-MHz PCI compliance
Joint Test Action Group (JTAG) boundary-scan test (BST) support
Output drive strength control
Weak pull-up resistors during configuration
Slew-rate control
Tri-state buffers
Bus-hold circuitry
Programmable pull-up resistors in user mode
Programmable input and output delays
Open-drain outputs
DQ and DQS I/O pins
Preliminary Information
Altera Corporation
Figure 27
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