DDR2 SDRAM

High-speed Double-Data-Rate Synchronous DRAMs generation 2 which achieve greater data speed than DDR SDRAMs by higher clock rate.
All ICs are RoHS compliant.

* Status: P - mass production, S - samples, UD - under development, N - not recommended for new design.

Chip Description Density
(organization) 		Transfer rate
[Mbit/s/pin] 		Supply
  voltage  
[V] 		Operating
temperature
[°C] 		   Package    Status *
Automotive Commercial
& Industrial
W9712G6KB
  • density: 128 Mbit
  • speed grades: -25/-25I/-3
  • transfer rates up to 800 Mb/sec/pin (DDR2-800)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • 4K refresh cycles / 64 ms
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 128 Mbit
(8Mx16, 4 banks)		 800 (-25/-25I: DDR2-800)
667 (-3: DDR2-667)		 1.8±0.1 0 – +85
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 TFBGA-84
(8x12.5-mm)		 P P
W9725G6KB
  • density: 256 Mbit
  • speed grades: -18/-25/-25I/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • 8K refresh cycles / 64 ms
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 256 Mbit
(16Mx16, 4 banks)		 1066 (-18: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3): DDR2-667)		 1.8±0.1 0 – +85
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 WBGA-84
(8x12.5-mm)		 P P
W9725G8KB
  • density: 256 Mbit
  • speed grades: -18/-25/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • 8K refresh cycles / 64 ms
  • interface: SSTL_18
  • operating temperature range: commercial
 256 Mbit
(32Mx8, 4 banks)		 1066 (-18: DDR2-1066)

800 (-25: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85 WBGA-60
(8x12.5-mm)		 P P
W9751G6NB
  • density: 512 Mbit
  • speed grades: -18/-18I/-25/-25I/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • 8K refresh cycles / 64 ms
  • interface: SSTL_18
  • operating temperature range: commercial (C, L), industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 512 Mbit
(32Mx16, 4 banks)		 1066 (-18/-18I: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85 ?
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 WBGA-84
(8x12.5-mm)		 P P
W9751G8NB
  • density: 512 Mbit
  • speed grades: -18/-18I/-25/-25I/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • 8K refresh cycles / 64 ms
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 512 Mbit
(64Mx8, 4 banks)		 1066 (-18/-18I: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 WBGA-60
(8x12.5-mm)		 P P
W971GG6NB
  • density: 1 Gbit
  • speed grades: -18/-18I/-18J/-25/-25I/-25N/-25J/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), industrial plus (J), automotive
  • compliance with AEC-Q100 automotive specification
 1 Gbit
(64Mx16, 8 banks)		 1066 (-18/-18I: DDR2-1066)

800 (-25/-25I/-25N: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85 (C)
-40 – +95 (I)
-40 – +105 (J)
-40 – +105 (J)

Automotive		 WBGA-84
(8x12.5-mm)		 P P
W971GG8NB
  • density: 1 Gbit
  • speed grades: -18/-25/-25I/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), automotive
  • compliance with AEC-Q100 automotive specification
 1 Gbit
(128Mx8, 8 banks)		 1066 (-18: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85 (C)
-40 – +95 (I)

Automotive		 WBGA-60
(8x9.5-mm)		 P P
W972GG6KB
  • density: 2 Gbit
  • speed grades: -18/-25/-25I/-3/-3I
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • operating temperature range: commercial, industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 2 Gbit
(12Mx16, 8 banks)		 1066 (-18: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3/-3I: DDR2-667)		 1.8±0.1 0 – +85
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 WBGA-84
(8x12.5-mm)		 P P
W972GG8KS
  • density: 2 Gbit
  • speed grades: -18/-25/-25I/-3
  • transfer rates up to 1066 Mb/sec/pin (DDR2-1066)
  • CAS Latency: 3, 4, 5, 6, 7
  • burst length: 4 and 8
  • differential clock inputs
  • data masks for write data
  • Auto Refresh and Self Refresh modes
  • Power-down mode
  • interface: SSTL_18
  • operating temperature range: commercial, industrial (I), automotive (A, K, W)
  • compliance with AEC-Q100 automotive specification
 2 Gbit
(256Mx8, 8 banks)		 1066 (-18: DDR2-1066)

800 (-25/-25I: DDR2-800)

667 (-3: DDR2-667)		 1.8±0.1 0 – +85
-40 – +95 (I)

Automotive:
-40 – +85 (A)
-40 – +105 (K)
-40 – +115 (W)		 WBGA-60
(8x9.5-mm)		 P P




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