XC3S500E-4CPG132I Xilinx Inc, XC3S500E-4CPG132I Datasheet - Page 39
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XC3S500E-4CPG132I
Manufacturer Part Number
XC3S500E-4CPG132I
Description
IC FPGA SPARTAN-3E 500K 132CSBGA
Manufacturer
Xilinx Inc
Series
Spartan™-3Er
Datasheet
1.XC3S100E-4VQG100C.pdf
(233 pages)
Specifications of XC3S500E-4CPG132I
Number Of Logic Elements/cells
10476
Number Of Labs/clbs
1164
Total Ram Bits
368640
Number Of I /o
92
Number Of Gates
500000
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
132-TFBGA, CSPBGA
For Use With
122-1536 - KIT STARTER SPARTAN-3E
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XC3S500E-4CPG132I
Manufacturer:
Xilinx Inc
Quantity:
10 000
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Table 23: Block RAM Port Signals
DS312-2 (v3.8) August 26, 2009
Product Specification
Address Bus
Data Input Bus
Parity Data
Input(s)
Data Output Bus
Parity Data
Output(s)
Write Enable
Clock Enable
Set/Reset
Clock
Description
Signal
R
ADDRA
Signal
Port A
SSRA
Name
DOPA
CLKA
DIPA
WEA
DOA
ENA
DIA
ADDRB
Port B
Signal
DOPB
SSRB
Name
CLKB
DIPB
WEB
DOB
ENB
DIB
Direction
Output
Output
Input
Input
Input
Input
Input
Input
Input
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The Address Bus selects a memory location for read or write operations.
Data is written to the DO output bus from the RAM location specified by
When asserted together with EN, this input enables the writing of data to
When asserted, this input enables the CLK signal to perform read and
When asserted, this pin forces the DO output latch to the value of the
The width (w) of the port’s associated data path determines the number of
available address lines (r), as per
Whenever a port is enabled (ENA or ENB = High), address transitions
must meet the data sheet setup and hold times with respect to the port
clock (CLKA or CLKB), as shown in
must be met even if the RAM read output is of no interest.
Data at the DI input bus is written to the RAM location specified by the
address input bus (ADDR) during the active edge of the CLK input, when
the clock enable (EN) and write enable (WE) inputs are active.
It is possible to configure a port’s DI input bus width (w-p) based on
Table
port.
Parity inputs represent additional bits included in the data input path.
Although referred to herein as “parity” bits, the parity inputs and outputs
have no special functionality for generating or checking parity and can be
used as additional data bits. The number of parity bits ‘p’ included in the
DI (same as for the DO bus) depends on a port’s total data path width (w).
See
the address input bus, ADDR. See the DI signal description for DO port
width configurations.
Basic data access occurs on the active edge of the CLK when WE is
inactive and EN is active. The DO outputs mirror the data stored in the
address ADDR memory location. Data access with WE active if the
WRITE_MODE
accesses data after the write takes place.
before the write occurs. A third attribute, NO_CHANGE, latches the DO
outputs upon the assertion of WE. See
details on the WRITE_MODE attribute.
Parity outputs represent additional bits included in the data input path. The
number of parity bits ‘p’ included in the DI bus (same as for the DO bus)
depends on a port’s total data path width (w). See the DIP signal
description for configuration details.
the RAM. When WE is inactive with EN asserted, read operations are still
possible. In this case, a latch passes data from the addressed memory
location to the DO outputs.
write operations to the block RAM. When inactive, the block RAM does not
perform any read or write operations.
SRVAL attribute. It is synchronized to the CLK signal.
This input accepts the clock signal to which read and write operations are
synchronized. All associated port inputs are required to meet setup times
with respect to the clock signal’s active edge. The data output bus
responds after a clock-to-out delay referenced to the clock signal’s active
edge.
Table
22. This selection applies to both the DI and DO paths of a given
22.
attribute is set to the value: WRITE_FIRST, which
Function
Table
Table 103, page
Block RAM Data Operations
22.
READ_FIRST
Functional Description
142.This requirement
accesses data
for
39
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