™
ispGDX2 Family
High Performance Interfacing and Switching
September 2005
Data Sheet
■ Two Options Available
Features
• High-performance sysHSI (standard part number)
• Low-cost, no sysHSI (“E-Series”)
■ High Performance Bus Switching
• High bandwidth
■ sysHSI Blocks Provide up to 16 High-speed
Channels
– Up to 12.8 Gbps (SERDES)
– Up to 38 Gbps (without SERDES)
• Up to 16 (15x10) FIFOs for data buffering
• High speed performance
• Serializer/de-serializer (SERDES) included
• Clock Data Recovery (CDR) built in
• 800 Mbps per channel
• LVDS differential support
• 10B/12B support
– f
= 360MHz
MAX
– t = 3.0ns
PD
– t = 2.9ns
CO
– Encoding / decoding
– Bit alignment
– Symbol alignment
– t = 2.0ns
S
• Built-in programmable control logic capability
• I/O intensive: 64 to 256 I/Os
• Expanded MUX capability up to 188:1 MUX
• 8B/10B support
– Bit alignment
– Symbol alignment
• Source Synchronous support
■ sysCLOCK™ PLL
• Frequency synthesis and skew management
• Clock multiply and divide capability
• Clock shifting up to +/-2.35ns in 335ps steps
• Up to four PLLs
■ Flexible Programming and Testing
• IEEE 1532 compliant In-System Programmabil-
ity (ISP™)
■ sysIO™ Interfacing
• Boundary scan test through IEEE 1149.1
interface
• 3.3V, 2.5V or 1.8V power supplies
• 5V tolerant I/O for LVCMOS 3.3 and LVTTL
interfaces
• LVCMOS 1.8, 2.5, 3.3 and LVTTL support for
standard board interfaces
• SSTL 2/3 Class I and II support
• HSTL Class I, III and IV support
• GTL+, PCI-X for bus interfaces
• LVPECL, LVDS and Bus LVDS differential support
• Hot socketing
• Programmable drive strength
Table 1. ispGDX2 Family Selection Guide
ispGDX2-64/E
ispGDX2-128/E
ispGDX2-256/E
I/Os
64
128
256
16
GDX Blocks
4
3.0ns
8
3.2ns
t
t
t
f
3.5ns
PD
S
2.0ns
2.0ns
2.0ns
2.9ns
3.1ns
3.2ns
CO
MAX
(Toggle)
360MHz
3.2Gbps
11Gbps
4
330MHz
6.4Gbps
21Gbps
8
300MHz
12.8Gbps
38Gbps
16
SERDES1, 2
Without SERDES3
Max Bandwidth
sysHSI Channels2
LVDS/Bus LVDS (Pairs)
PLLs
32
64
128
2
2
4
Package
100-ball fpBGA
208-ball fpBGA
484-ball fpBGA
1. Max number of SERDES channels per device * 800Mbps
2. “E-Series” does not support sysHSI.
3. f
(Toggle) * maximum I/Os divided by 2.
MAX
© 2005 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand
or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
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