EP4CE55F23I7 Altera, EP4CE55F23I7 Datasheet - Page 137
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EP4CE55F23I7
Manufacturer Part Number
EP4CE55F23I7
Description
IC CYCLONE IV FPGA 55K 484FBGA
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 EP4CE55F23I7
Number Of Logic Elements/cells
55856
Number Of Labs/clbs
3491
Total Ram Bits
2340000
Number Of I /o
324
Voltage - Supply
1.15 V ~ 1.25 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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Chapter 6: I/O Features in Cyclone IV Devices
High-Speed I/O Standards Support
Figure 6–12. Cyclone IV Devices LVDS Interface with True Output Buffer on the Right I/O Banks
BLVDS I/O Standard Support in Cyclone IV Devices
© December 2010 Altera Corporation
Transmitting Device
txout -
txout +
Figure 6–12
LVDS output and input buffers.
Figure 6–13
using two single-ended output buffers and external resistors.
Figure 6–13. LVDS Interface with External Resistor Network on the Top and Bottom I/O
Banks
Note to
(1) R
The BLVDS I/O standard is a high-speed differential data transmission technology
that extends the benefits of standard point-to-point LVDS to multipoint configuration
that supports bidirectional half-duplex communication. BLVDS differs from standard
LVDS by providing a higher drive to achieve similar signal swings at the receiver
while loaded with two terminations at both ends of the bus.
50 Ω
50 Ω
S
Figure
= 120 . R
(Note 1)
LVDS Transmitter
100 Ω
Cyclone IV Device
rxin +
rxin -
6–13:
shows a point-to-point LVDS interface using Cyclone IV devices true
shows a point-to-point LVDS interface with Cyclone IV devices LVDS
Emulated
P
= 170 .
Input Buffer
Family Logic
Cyclone IV Device
Cyclone IV
Device
Array
Resistor Network
R S
R S
R P
Output Buffer
txout +
txout -
50 Ω
50 Ω
50 Ω
50 Ω
100 Ω
Cyclone IV Device Handbook, Volume 1
rxin +
rxin -
100 Ω
LVDS Receiver
Receiving Device
6–29
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