High Speed DDR SDRAM0 pages
High-Speed
DDR SDRAM
► ISSI DDR Standard Features
► Applications
•t Access and Aggregation Nodes
•t Enterprise Switches
•t Packet Optical Transport
•t Core and Edge Routers
•t Automotive Multimedia and
Telematics
•t Industrial Test and Measurement
•t Single supply voltage of 2.5V or 2.6V
•t Standard double-data rate clock timing
•t SSTL_2 compatible inputs
•t Four internal banks with bank controls
•t Data masking per byte on Write commands
•t Programmable burst length of 2, 4, or 8
•t Programmable CAS Latency of 2, 2.5 or 3
•t Medical Imaging & Analysis
•t Auto-Refresh and Self-Refresh Modes
•t Auto-Precharge Supported
•t JEDEC compliant: t
60-ball BGA or 66-pin TSOP-II for x16 t
144-ball BGA for x32
Key Timing Parameters
Speed (Max Freq.)
CL = 4
CL = 3
CL = 2.5
CL = 2
-4
250
200
—
—
-5
200
200
166
133
-6
166
166
166
133
Units
MHz
MHz
MHz
MHz
Note:
These are general specs. 250MHz (DDR-500) is available for select
products. For any given part number, please refer to the corresponding
datasheet for the timing specifications.
ISSI DDR Ordering Options
Density
Config.
Part Number
64Mbit
4M x 16
8M x 16
4M x 32
32M x 8
16M x 16
8M x 32
64M x 8
32M x 16
16M x 32
IS43R16400B
IS43R16800E
IS43R32400D, IS43R32400E
IS43R83200D
IS43R16160D
IS43R32800D
IS43R86400D
IS43R16320D
IS43R32160D
128Mbit
256Mbit
512Mbit
TSOP2-66
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Package
BGA-60
BGA-144
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Temperature Grade
Com.
Ind.
Auto.
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Notes:
1. Automotive grade DDR part numbers begin with “IS46R”.
June 2012
1940 Zanker Rd., San Jose, CA. 95112 • Tel: 408.969.6600 • Support: dram@issi.com or KGD@issi.com • www.issi.com