IS43DR83200A-37CBI

容量	256M
規格	32Mx8
腳位/封裝	BGA(60)
電壓	1.8V
刷新	8K
速度	37 = 266MHz
字數	32M
焊接	SnPb
狀態	Contact
類型	DDR2
總線寬度	8 = x8
温規	Industrial Grade (-40C to +85°C)
CL（CAS延遲）	C = 4
代/版本	A
產品系列	43 = DDR/DDR2/DDR3/DDR4 Commercial/Industrial grade
温度等级	I = Industrial Grade (-40°C to +85°C)
焊料類型	blank = Sn/Pb
字數	3200 = 32M
Generation	A = A
工作電壓範圍	DR = 1.8V DDR2
腳位/封裝	B = BGA

數據表

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IS43DR83200A-37CBI 特徵

Vdd = 1.8V ±0.1V, Vddq = 1.8V ±0.1V
JEDEC standard 1.8V I/O (SSTL_18-compatible)
Double data rate interface: two data transfers per clock cycle
Differential data strobe (DQS, DQS)
4-bit prefetch architecture
On chip DLL to align DQ and DQS transitions with CK
4 internal banks for concurrent operation
Programmable CAS latency (CL) 3, 4, 5, and 6 supported
Posted CAS and programmable additive latency (AL) 0, 1, 2, 3, 4, and 5 supported
WRITE latency = READ latency - 1 tCK
Programmable burst lengths: 4 or 8
Adjustable data-output drive strength, full and reduced strength options
On-die termination (ODT) OPTIONS
Configuration(s): 32Mx8 (8Mx8x4 banks) IS43/46DR83200A 16Mx16 (4Mx16x4 banks) IS43/46DR16160A
Package: x8: 60-ball TW-BGA (8mm x 10.5mm) x16: 84-ball TW-BGA (8mm x 12.5mm) Timing
- Cycle time 2.5ns @CL=6 DDR2-800E 3.0ns @CL=5 DDR2-667D 3.75ns @CL=4 DDR2-533C 5.0ns @CL=3 DDR2-400B

概觀

ISSI's 256Mb DDR2 SDRAM uses a double-data-rate architecture to achieve high-speed operation. The double-data rate architecture is essentially a 4n-prefetch architecture, with an interface designed to transfer two data words per clock cycle at the I/O balls.