ep1sgx25d Altera Corporation, ep1sgx25d Datasheet - Page 102

• Manufacturer Part Number: ep1sgx25d
• Description: Stratix Gx Device Family Data Sheet
• Manufacturer: Altera Corporation

TriMatrix Memory
Figure 4–20. Left-Facing M-RAM to Interconnect Interface
Notes to
(1)
(2)
4–36
Stratix GX Device Handbook, Volume 1
Only R24 and C16 interconnects cross the M-RAM block boundaries.
The right-facing M-RAM block has interface blocks on the right side, but none on the left. B1 to B6 and A1 to A6
orientation is clipped across the vertical axis for right-facing M-RAM blocks.
Figure
4–20:
Row Unit Interface
Allows LAB Rows to
Drive Address and
Control Signals to
M-RAM Block
LABs in Row
M-RAM Boundary
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
LAB Interface
Blocks
M512 RAM Block Columns
B1
A1
B2
A2
M-RAM Block
B3
A3
Port B
Port A
B4
A4
Notes
(1),
B5
A5
(2)
B6
A6
Column Interface Block
Allows LAB Columns to
Drive datain and dataout to
and from M-RAM Block
LABs in Column
M-RAM Boundary
Column Interface Block
Drives to and from
C4 and C8 Interconnects
Altera Corporation
February 2005