EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 405
![IC STRATIX FPGA 20K LE 484-FBGA](/photos/6/72/67258/544-484-fbga_sml.jpg)
EP1S20F484C6N
Manufacturer Part Number
EP1S20F484C6N
Description
IC STRATIX FPGA 20K LE 484-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S20F484C6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
361
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Available stocks
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Manufacturer
Quantity
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Company:
Part Number:
EP1S20F484C6N
Manufacturer:
ALTERA
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534
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Figure 3–6. t
Altera Corporation
June 2006
dataout
datain
clock
wren
addr
ZX
& t
A1
f
XZ
Timing Diagram
than the clock-to-high-impedance time (t
I/O pins can interface with ZBT SRAM devices at up to 200 MHz and can
meet ZBT t
clocks to the OE or output and input registers using an enhanced PLL.
Figure 3–6
are read addresses and A2 and A4 are write addresses. For pipelined
ZBT SRAM operation, data is delayed by another clock cycle. Stratix and
Stratix GX devices support up to 200-MHz ZBT SRAM operation using
the 2.5-V or 3.3-V LVTTL I/O standard.
Interface Pins
ZBT SRAM uses one system clock input for all clocking purposes. Only
the rising edge of this clock is used, since ZBT SRAM uses a single data
rate scheme. The data bus, DQ, is bidirectional. There are three control
signals to the ZBT SRAM: RW_N, BW_N, and ADV_LD_N. You can use any
of the Stratix and Stratix GX device user I/O pins to interface to the
ZBT SRAM device.
For more information on ZBT SRAM Interfaces in Stratix devices, see
AN 329: ZBT SRAM Controller Reference Design for Stratix & Stratix GX
Devices.
ZBT Bus Sharing
A2
Device t
shows a flow-through ZBT SRAM operation where A1 and A3
CO
Q(A1)
and t
ZX
External Memory Interfaces in Stratix & Stratix GX Devices
SU
timing requirements by controlling phase delay in
A3
t
XZ
D(A3)
Stratix Device Handbook, Volume 2
XZ
A4
). Stratix and Stratix GX device
t
ZX
Q(A3)
3–9
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