epm7064ae Altera Corporation, epm7064ae Datasheet - Page 14
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epm7064ae
Manufacturer Part Number
epm7064ae
Description
Programmable Logic Device
Manufacturer
Altera Corporation
Datasheet
1.EPM7064AE.pdf
(64 pages)
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MAX 7000A Programmable Logic Device Data Sheet
Figure 6. I/O Control Block of MAX 7000A Devices
14
Note:
(1)
EPM7032AE, EPM7064AE, EPM7128A, EPM7128AE, EPM7256A, and EPM7256AE devices have six output enable
signals. EPM7512AE devices have 10 output enable signals.
PIA
When the tri-state buffer control is connected to ground, the output is
tri-stated (high impedance) and the I/O pin can be used as a dedicated
input. When the tri-state buffer control is connected to V
enabled.
The MAX 7000A architecture provides dual I/O feedback, in which
macrocell and pin feedbacks are independent. When an I/O pin is
configured as an input, the associated macrocell can be used for buried
logic.
From
Macrocell
Fast Input to
Macrocell
Register
To PIA
To Other I/O Pins
Open-Drain Output
Slew-Rate Control
6 or 10 Global
Output Enable Signals (1)
GND
VCC
OE Select Multiplexer
Altera Corporation
CC
, the output is