EP4CE55F29C8LN Altera, EP4CE55F29C8LN Datasheet - Page 46
EP4CE55F29C8LN
Manufacturer Part Number
EP4CE55F29C8LN
Description
IC CYCLONE IV FPGA 55K 780FBGA
Manufacturer
Altera
Series
CYCLONE® IV Er
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CE55F29C8LN
Number Of Logic Elements/cells
55856
Number Of Labs/clbs
3491
Total Ram Bits
2340000
Number Of I /o
374
Voltage - Supply
0.97 V ~ 1.03 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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3–10
Figure 3–9. Cyclone IV Devices Simple Dual-Port Timing Waveform
True Dual-Port Mode
Cyclone IV Device Handbook, Volume 1
q (asynch)
wraddress
rdaddress
wrclock
rdclock
wren
data
rden
1
din-1
doutn-1
an-1
Figure 3–9
dual-port mode with unregistered outputs. Registering the outputs of the RAM
simply delays the q output by one clock cycle.
True dual-port mode supports any combination of two-port operations: two reads,
two writes, or one read and one write, at two different clock frequencies.
shows Cyclone IV devices true dual-port memory configuration.
Figure 3–10. Cyclone IV Devices True Dual-Port Memory
Note to
(1) True dual-port memory supports input or output clock mode in addition to the independent clock mode shown.
The widest bit configuration of the M9K blocks in true dual-port mode is 512 × 16-bit
(18-bit with parity).
bn
Figure
an
din
shows the timing waveform for read and write operations in simple
3–10:
doutn
b0
a0
a1
data_a[ ]
address_a[ ]
wren_a
byteena_a[]
addressstall_a
clocken_a
rden_a
aclr_a
q_a[]
clock_a
dout0
a2
b1
a3
addressstall_b
address_b[]
byteena_b[]
Chapter 3: Memory Blocks in Cyclone IV Devices
clocken_b
data_b[ ]
(Note 1)
clock_b
wren_b
rden_b
aclr_b
q_b[]
din4
b2
a4
© November 2009 Altera Corporation
din5
a5
b3
a6
din6
Figure 3–10
Memory Modes
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