Sagitta Technology Industrial Co.,Ltd

usb flash drive,usb disk,usb stick,usb pen drive,memory card, Manufacturer and Supplier - China(CN)

ddr2 667/ memory module / memory ram / ddr ram / SD ram

ddr2 667/ memory module / memory ram / ddr ram / SD ram

Business Information

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Product Features

1) Lead-free

2) 1.8V power supply

3) Data rate: 667Mbps

4) 1.8V (SSTL-18 compatible) I/O

5) Double-data-rate architecture: two data transfers' per clock cycle

6) Bi-directional, differential data strobe (DQS and /DQS) is transmitted/ received with data, to be used in capturing data at the receiver

7) DQS is edge aligned with data for reads, center aligned with data for writes
8) Differential clock inputs (CK and /CK)

9) DLL aligns DQ and DQS transitions with CK transitions

10) Commands entered on each positive CK edge: data and data mask referenced to both edges of DQS

11) Four internal banks for concurrent operation (component)

12) Data mask (DM) for write data

13) Burst lengths: 4, 8

14) CAS Latency (CL): 3, 4, 5

15) Auto precharge operation for each burst access

16) Auto refresh and self refresh modes

17) 7.8us average periodic refresh interval

18) Posted CAS by programmable additive latency for better command and data bus efficiency 19) Off-chip-driver impedance adjustment and on-die-termination for better signal quality

20) DQS can be disabled for single-ended Data Strobe operation


Packing: Retail sealed packing

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