EP1S40B956C5 Altera, EP1S40B956C5 Datasheet - Page 408
EP1S40B956C5
Manufacturer Part Number
EP1S40B956C5
Description
IC STRATIX FPGA 40K LE 956-BGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S40B956C5
Number Of Logic Elements/cells
41250
Number Of Labs/clbs
4125
Total Ram Bits
3423744
Number Of I /o
683
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
956-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP1S40B956C5
Manufacturer:
ALTERA/阿尔特拉
Quantity:
20 000
- Current page: 408 of 864
- Download datasheet (11Mb)
DDR Memory Support Overview
3–12
Stratix Device Handbook, Volume 2
Figure 3–7
Figure 3–7. Stratix & Stratix GX Device DQ & DQS Groups in × 8 Mode
Note to
(1)
Data & Data Strobe Pins
Stratix and Stratix GX data pins for the DDR memory interfaces are called
DQ pins. The Stratix and Stratix GX device I/O banks at the top (I/O
banks 3 and 4) and the bottom (I/O banks 7 and 8) of the device support
DDR SDRAM and RLDRAM II up to 200 MHz. These pins support DQS
signals with DQ bus modes of ×8, ×16, or ×32. Stratix and Stratix GX
devices can support either bidirectional data strobes or uni-directional
read clocks. Depending on the external memory interface, either the
memory device's read data strobes or read clocks feed the DQS pins.
For ×8 mode, there are up to 20 groups of programmable DQS and DQ
pins—10 groups in I/O banks 3 and 4 and 10 groups in I/O banks 7 and 8
(see
pins.
For ×16 mode, there are up to eight groups of programmable DQS and
DQ pins—four groups in I/O banks 3 and 4, and four groups in I/O
banks 7 and 8. The EP1S20 device supports seven ×16 mode groups. The
EP1S10 device does not support ×16 mode. All other devices support the
full eight groups. See
DQ pins. In ×16 mode, DQS1T, DQS3T, DQS6T, and DQS8T pins on the top
side of the device, and DQS1B, DQS3B, DQS6B, and DQS8B pins on the
Top or Bottom I/O Bank
Table
There are at least eight DQ pins per group.
Figure
3–3). Each group consists of one DQS pin and a set of eight DQ
shows the DQ and DQS pins in ×8 mode.
3–7:
DQ Pins (1)
Table
3–3. Each group consists of one DQS and 16
DQS Pin
Altera Corporation
June 2006
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